CN110285367A - A kind of building site lamp - Google Patents

A kind of building site lamp Download PDF

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Publication number
CN110285367A
CN110285367A CN201910420872.6A CN201910420872A CN110285367A CN 110285367 A CN110285367 A CN 110285367A CN 201910420872 A CN201910420872 A CN 201910420872A CN 110285367 A CN110285367 A CN 110285367A
Authority
CN
China
Prior art keywords
gear
lamp holder
spline
rotatably assorted
light
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.)
Withdrawn
Application number
CN201910420872.6A
Other languages
Chinese (zh)
Inventor
帅漂月
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.)
Zibo Hanshuai Labor Insurance Products Co Ltd
Original Assignee
Zibo Hanshuai Labor Insurance Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zibo Hanshuai Labor Insurance Products Co Ltd filed Critical Zibo Hanshuai Labor Insurance Products Co Ltd
Priority to CN201910420872.6A priority Critical patent/CN110285367A/en
Publication of CN110285367A publication Critical patent/CN110285367A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • F21V15/01Housings, e.g. material or assembling of housing parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/02Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/36Hoisting or lowering devices, e.g. for maintenance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40Lighting for industrial, commercial, recreational or military use
    • F21W2131/402Lighting for industrial, commercial, recreational or military use for working places

Abstract

The invention discloses a kind of building site lamps, including mounting base, it is rotatably assorted on the switching chamber or so inner wall and hand wheel shaft is installed, the hand wheel shaft upper spline is coupled first gear and second gear, connector sleeve is fixedly mounted between the first gear and the second gear, the connector sleeve and the hand wheel shaft spline fitted, when light is lifted upwards, switching handle is pulled to the right, switch handle and drives first gear rotation, first gear rotation drives third gear and thread spindle rotation, thread spindle rotation drives second support bar upward sliding, make the upward lifting of the light of headlamp, lamp can be sent directly into from lower place to high aerial, headlamp is incorporated in slot, it can prevent light bulb from damaging by rain erosion or by strong wind, it can be adjusted between the irradiating angle of light on ground, it does not need manually to climb Adjustment is climbed, security performance is high.

Description

A kind of building site lamp
Technical field
The present invention relates to construction articles field, specially a kind of building site lamp.
Background technique
It at night when construction, needs using headlamp, field lighting lamp used at present is generally hung in very high High-altitude, but bright lamp is easy to be damaged by strong wind in high-level environment, needs to change the irradiating angle and shadow surface of light When product, require manually to climb to adjust, there are security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of building site lamps, for overcoming drawbacks described above in the prior art.
A kind of building site lamp of embodiment according to the present invention, including mounting base, in the mounting base top end surface First support bar is fixedly mounted, is equipped with the lifting component that entire headlamp can be pushed to upwardly extend in the first support bar, The lifting component includes the switching chamber being arranged in the first support bar, and be rotatably assorted peace on described switching chamber or so inner wall Hand wheel shaft is filled, the hand wheel shaft upper spline is coupled first gear and second gear, the first gear and second tooth Connector sleeve, the connector sleeve and the hand wheel shaft spline fitted are fixedly mounted between wheel, is fixedly mounted and fixes on the connector sleeve Folder is rotatably assorted between the switching chamber rear side inner wall and the first support bar back end surface and installs arm pivot post, the hand Switching handle is fixedly mounted in handle shaft back end surface, the first pull rod, the arm pivot post is fixedly mounted on the arm pivot post Be rotatably assorted the second pull rod of installation in front end face, and pull rod bullet is fixedly mounted between first pull rod and second pull rod Spring, second pull rod are slidably matched with the fixing clamp, and the lifting component further includes being rotatably assorted to be mounted on the switching Intracavitary thread spindle is threadedly engaged installation second support bar on the thread spindle, when rotation switching handle makes fixing clamp pull the One gear and second gear are slided on hand wheel shaft, and the second gear drives thread spindle rotation to lift headlamp upwards It rises, lamp holder is fixedly mounted in the second support bar top end surface, is equipped with adjustable light-illuminating angle in the lamp holder Regulating member, the regulating member include the gear cavity being arranged in the lamp holder, around the tooth in the lamp holder end face outside Wheel chamber central symmetry sets the accommodating groove there are four outward opening, and light bulb can be accommodated in the lamp holder to guarantee by the accommodating groove It is raining and damage will not be generated when blowing to light, be equipped in the inner wall of the accommodating groove side and be connected with the accommodating groove Slide bar slot, be slidably matched in the slide bar slot slide bar, hinged bulb mounting on the slide bar side end, fixed on the slide bar Fixed block is installed, being fixedly installed between the fixed block and the light bulb can make light bulb automatically multiple after turning an angle The reset spring of position, one side end face of light bulb and the storage groove bottom wall are equipped with the drawing that can pull the bulb turning Rope, to realize the angular adjustment of light.
Preferably, the lifting component further includes the handwheel being fixedly mounted in the hand wheel shaft left end face, it is described Third gear is fixedly mounted on thread spindle bottom end face, the third gear can be engaged with the first gear.
Preferably, the regulating member further includes the spline housing sliding slot being arranged in the thread spindle, the spline housing It is rotatably assorted between sliding slot bottom wall and the third gear bottom end face and splined shaft is installed, the splined shaft and the third gear It is rotatably assorted, the 4th gear is fixedly mounted on the splined shaft bottom end face, the 4th gear can be with the second gear Engagement, the spline housing sliding slot is interior to be rotatablely installed spline housing axis, the spline housing axis and the spline housing sliding slot spline fitted, institute It states and is extended into spline housing axial direction in the gear cavity, the spline housing axis is rotatably assorted with the lamp holder, the spline It covers and the 5th gear is fixedly mounted in axis top end surface, be rotatably assorted between the gear cavity and the slide bar slot and gear shaft is installed, The gear shaft is threadedly engaged with the slide bar, and the 6th gear, the 6th tooth are fixedly mounted on one side end face of gear shaft Wheel is engaged with the 5th gear, and auxiliary connecting rod, the auxiliary connecting rod and the storage groove top are hingedly installed on the fixed block Wall is slidably matched, and the accommodating groove can be sealed by hingedly installing four around the gear cavity central symmetry on the lamp holder end face Capping, permanent magnet is fixedly mounted on one side end face of lamp holder, the permanent magnet can be attracted capping and close accommodating groove to come.
Beneficial effect is: lamp can be sent directly into height in the air by the present invention from lower place, and headlamp is incorporated in It in slot, can prevent light bulb from damaging by rain erosion or by strong wind, can be adjusted between the irradiating angle of light on ground, It does not need manually to climb adjustment, security performance is high, is worthy to be popularized.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the direction A-A schematic cross-sectional view in Fig. 1;
Fig. 3 is the direction B-B schematic cross-sectional view in Fig. 2.
Specific embodiment
Below with reference to Fig. 1-3, the present invention is described in detail, for sake of convenience, now such as to hereafter described orientation regulation Under: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
Referring to Fig.1-3, a kind of building site lamp of embodiment according to the present invention, including mounting base 10, the installation bottom First support bar 11 is fixedly mounted in 10 top end surface of plate, be equipped in the first support bar 11 can push entire headlamp to The lifting component 80 of upper extension, the lifting component 80 includes the switching chamber 12 being arranged in the first support bar 11, described It is rotatably assorted on switching 12 or so inner wall of chamber and hand wheel shaft 14 is installed, 14 upper spline of hand wheel shaft is coupled 15 He of first gear Second gear 17, is fixedly mounted connector sleeve 45 between the first gear 15 and the second gear 17, the connector sleeve 45 with Fixing clamp 16, the 12 rear side inner wall of switching chamber and institute are fixedly mounted on the connector sleeve 45 for 14 spline fitted of hand wheel shaft It states to be rotatably assorted between 11 back end surface of first support bar and arm pivot post 41 is installed, it is fixed in 41 back end surface of arm pivot post Installation switches handle 40, and the first pull rod 42 is fixedly mounted on the arm pivot post 41, turns in 41 front end face of arm pivot post It is dynamic to be coupled the second pull rod 43, pull-rod spring 44, institute are fixedly mounted between first pull rod 42 and second pull rod 43 It states the second pull rod 43 to be slidably matched with the fixing clamp 16, the lifting component 80 further includes being rotatably assorted to be mounted on the switching Thread spindle 21 in chamber 12 is threadedly engaged installation second support bar 23 on the thread spindle 21, when rotation switching handle 40 make it is solid Clamp 16 pulls first gear 15 and second gear 17 to slide on hand wheel shaft 14, and the second gear 17 drives 21 turns of thread spindle Moving is lifted headlamp upwards, fixed installation lamp holder 26 in 23 top end surface of second support bar, in the lamp holder 26 Regulating member 81 equipped with adjustable light-illuminating angle, the regulating member 81 include the tooth being arranged in the lamp holder 26 Chamber 27 is taken turns, sets the accommodating groove 32 there are four outward opening around 27 central symmetry of gear cavity in 26 end face outside of lamp holder, Light bulb can be accommodated in the lamp holder 26 to guarantee raining and will not generate damage to light when blowing by the accommodating groove 32, The slide bar slot 22 being connected with the accommodating groove 32 is equipped in the 32 side inner wall of accommodating groove, sliding is matched in the slide bar slot 22 Slide bar 31 is closed, fixed block 34 is fixedly mounted on the slide bar 31 in hinged bulb mounting 37 on 31 side end of slide bar, described The reset that light bulb 37 can be made to automatically reset after turning an angle is fixedly installed between fixed block 34 and the light bulb 37 Spring 36,37 1 side end face of light bulb and 32 bottom wall of accommodating groove are equipped with the drawstring that the light bulb 37 can be pulled to rotate 33, to realize the angular adjustment of light.
The lifting component 80 further includes the handwheel 13 being fixedly mounted in 14 left end face of hand wheel shaft, the screw thread Third gear 20 is fixedly mounted on 21 bottom end face of axis, the third gear 20 can be engaged with the first gear 15, thus When light is lifted upwards, switching handle 40 is pulled to the right, and switching handle 40 drives first gear 15 and second gear 17 slide to the right, engage first gear 15 and third gear 20, rotate handwheel 13, and handwheel 13 drives first gear 15 to rotate, The rotation of first gear 15 drives third gear 20 and thread spindle 21 to rotate, and the rotation of thread spindle 21 drives second support bar 23 to slide up It is dynamic, make the upward lifting of the light of headlamp.
The regulating member 81 further includes the spline housing sliding slot 24 being arranged in the thread spindle 21, the spline housing sliding slot It is rotatably assorted between 24 bottom walls and 20 bottom end face of third gear and splined shaft 19 is installed, the splined shaft 19 and the third Gear 20 is rotatably assorted, and the 4th gear 18 is fixedly mounted on 19 bottom end face of splined shaft, and the 4th gear 18 can be with The second gear 17 engages, and is rotatablely installed spline housing axis 25 in the spline housing sliding slot 24, the spline housing axis 25 with it is described 24 spline fitted of spline housing sliding slot, the spline housing axis 25 extend upward into the gear cavity 27, the spline housing axis 25 are rotatably assorted with the lamp holder 26, and the 5th gear 29, the gear cavity are fixedly mounted in 25 top end surface of spline housing axis It is rotatably assorted between 27 and the slide bar slot 22 and gear shaft 30 is installed, the gear shaft 30 is threadedly engaged with the slide bar 31, institute It states the 6th gear 28 of fixed installation, the 6th gear 28 on 30 1 side end face of gear shaft to engage with the 5th gear 29, institute It states and auxiliary connecting rod 35 is hingedly installed on fixed block 34, the auxiliary connecting rod 35 is slidably matched with 32 roof of accommodating groove, described Four cappings 38 that can be sealed the accommodating groove 32 are hingedly installed around 27 central symmetry of gear cavity on 26 end face of lamp holder, Permanent magnet 39 is fixedly mounted on 26 1 side end face of lamp holder, the permanent magnet 39 can be attracted capping 38 and close accommodating groove 32 Come, to pull switching handle 40 to the left when needing to adjust the angle of light, make the Slideslip and the 4th to the left of second gear 17 Gear 18 engages, and shakes handwheel 13, and handwheel 13 drives second gear 17 to rotate, and second gear 17 drives the rotation of the 4th gear 18, The rotation of 4th gear 18 drives spline housing axis 25 and the rotation of the 5th gear 29, and the 5th gear 29 rotates band moving slide-bar 31 to accommodating groove 32 outer Slideslips, light bulb 37 open capping 38, and drawstring 33 pulls light bulb 37 to rotate, then the irradiating angle of light bulb 37 can be made to change Become, auxiliary connecting rod 35 when rotating backward handwheel 13, can make light bulb 37 return to accommodating groove 37 Auxiliary support of light bulb In 32, lamp holder 26 resets the angle of light bulb 37.
When use: when light is lifted upwards, pulling switching handle 40 to the right, switching handle 40 drives the first tooth Wheel 15 and second gear 17 are slided to the right, are engaged first gear 15 and third gear 20, are rotated handwheel 13, handwheel 13 is with movable tooth Wheel 20 and thread spindle 21 rotate, and the rotation of thread spindle 21 drives 23 upward sliding of second support bar, make the upward of the light of headlamp Lifting pulls switching handle 40 to the left, makes second gear 17 Slideslip and the 4th tooth to the left when needing to adjust the angle of light 18 engagement of wheel, shakes handwheel 13, and handwheel 13 drives the rotation of the 6th gear 28,30 turns of 28 rotation driven gear axis of the 6th gear Dynamic, for the rotation band moving slide-bar 31 of gear shaft 30 to the outer Slideslip of accommodating groove 32, light bulb 37 opens capping 38, breaks away outward in light bulb 37 When dynamic, drawstring 33 pulls light bulb 37 around the hinged center rotating with slide bar 31, then the irradiating angle of light bulb 37 can be made to change, auxiliary Help pull rod 35 when rotating backward handwheel 13, light bulb 37 can be made to return in accommodating groove 32 37 Auxiliary support of light bulb, Lamp holder 26 resets the angle of light bulb 37.
Beneficial effect is: lamp can be sent directly into height in the air by the present invention from lower place, and headlamp is incorporated in It in slot, can prevent light bulb from damaging by rain erosion or by strong wind, can be adjusted between the irradiating angle of light on ground, It does not need manually to climb adjustment, security performance is high, is worthy to be popularized.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention It is subject to claims appended hereto.

Claims (3)

1. a kind of building site lamp, including mounting base, it is characterised in that: be fixedly mounted first in the mounting base top end surface Support rod, the first support bar is interior to be equipped with the lifting component that entire headlamp can be pushed to upwardly extend, the lifting component Including the switching chamber being arranged in the first support bar, it is rotatably assorted on described switching chamber or so inner wall and hand wheel shaft is installed, institute It states hand wheel shaft upper spline and is coupled first gear and second gear, fixed peace between the first gear and the second gear Fixing clamp, the switching chamber is fixedly mounted on the connector sleeve in load female connector, the connector sleeve and the hand wheel shaft spline fitted It is rotatably assorted between rear side inner wall and the first support bar back end surface and arm pivot post is installed, the arm pivot post back end surface Upper fixed installation switches handle, and the first pull rod is fixedly mounted on the arm pivot post, rotates in the arm pivot post front end face It is coupled the second pull rod, pull-rod spring, second pull rod are fixedly mounted between first pull rod and second pull rod It is slidably matched with the fixing clamp, the lifting component further includes being rotatably assorted to be mounted on the intracavitary thread spindle of the switching, institute It states and is threadedly engaged installation second support bar on thread spindle, when rotation switching handle makes fixing clamp pull first gear and second gear It is slided on hand wheel shaft, the second gear drives thread spindle rotation to be lifted headlamp upwards, the second support bar Lamp holder is fixedly mounted in top end surface, the regulating member of adjustable light-illuminating angle, the adjusting are equipped in the lamp holder Component includes the gear cavity being arranged in the lamp holder, is equipped with four around the gear cavity central symmetry in the lamp holder end face outside Light bulb can be accommodated in the lamp holder to guarantee raining and while blowing will not by the accommodating groove of a outward opening, the accommodating groove Damage is generated to light, is equipped with the slide bar slot being connected with the accommodating groove, the slide bar slot in the inner wall of the accommodating groove side Inside be slidably matched slide bar, hinged bulb mounting on the slide bar side end, and fixed block is fixedly mounted on the slide bar, described solid Determine to be fixedly installed with the reset spring that light bulb can be made to automatically reset after turning an angle between block and the light bulb, it is described One side end face of light bulb and the storage groove bottom wall are equipped with the drawstring that can pull the bulb turning, to realize the angle of light It adjusts.
2. a kind of building site lamp according to claim 1, it is characterised in that: the lifting component further includes being fixedly mounted on Third gear, the third gear are fixedly mounted on the thread spindle bottom end face for handwheel in the hand wheel shaft left end face It can be engaged with the first gear.
3. a kind of building site lamp according to claim 1, it is characterised in that: the regulating member further includes being arranged described Spline housing sliding slot in thread spindle, be rotatably assorted installation between the spline housing sliding slot bottom wall and the third gear bottom end face Splined shaft, the splined shaft are rotatably assorted with the third gear, and the 4th gear is fixedly mounted on the splined shaft bottom end face, 4th gear can be engaged with the second gear, and spline housing axis, the spline are rotatablely installed in the spline housing sliding slot Axis and the spline housing sliding slot spline fitted are covered, is extended into the gear cavity in the spline housing axial direction, the spline Set axis is rotatably assorted with the lamp holder, and the 5th gear, the gear cavity and institute are fixedly mounted in the spline housing axis top end surface It states to be rotatably assorted between slide bar slot and gear shaft is installed, the gear shaft is threadedly engaged with the slide bar, one side of gear shaft The 6th gear is fixedly mounted on face, the 6th gear is engaged with the 5th gear, and hingedly installation assists on the fixed block Pull rod, the auxiliary connecting rod are slidably matched with the accommodating groove roof, around the gear cavity central symmetry on the lamp holder end face Four cappings that can be sealed the accommodating groove are hingedly installed, permanent magnet is fixedly mounted on one side end face of lamp holder, it is described Permanent magnet can be attracted capping and close accommodating groove to come.
CN201910420872.6A 2019-05-20 2019-05-20 A kind of building site lamp Withdrawn CN110285367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910420872.6A CN110285367A (en) 2019-05-20 2019-05-20 A kind of building site lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910420872.6A CN110285367A (en) 2019-05-20 2019-05-20 A kind of building site lamp
JP2019119406A JP6709370B1 (en) 2019-05-20 2019-06-27 Light for construction site

Publications (1)

Publication Number Publication Date
CN110285367A true CN110285367A (en) 2019-09-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910420872.6A Withdrawn CN110285367A (en) 2019-05-20 2019-05-20 A kind of building site lamp

Country Status (2)

Country Link
JP (1) JP6709370B1 (en)
CN (1) CN110285367A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762452A (en) * 2019-11-15 2020-02-07 诸暨平措照明科技有限公司 Collapsible LED light
CN110792996A (en) * 2019-11-11 2020-02-14 西安弘创信息技术有限责任公司 LED combined mother and child lamp of intelligent lighting system
CN110920672A (en) * 2019-12-04 2020-03-27 缙云卡珀科技有限公司 Protection type railway signal lamp

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878621A (en) * 2020-06-03 2021-06-01 富利建设集团有限公司 Construction device suitable for noise reduction and consumption reduction overhead floor of structural slab
CN112483925A (en) * 2020-11-20 2021-03-12 四川亚鑫照明工程有限公司 Dimmable lighting device for outdoor lighting engineering and use method
CN112902114A (en) * 2021-02-22 2021-06-04 谭惠慧 Street lamp self-protection adjusting device under typhoon weather
CN113432018A (en) * 2021-07-06 2021-09-24 江西信息应用职业技术学院 College student effective employment education classification guiding device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792996A (en) * 2019-11-11 2020-02-14 西安弘创信息技术有限责任公司 LED combined mother and child lamp of intelligent lighting system
CN110762452A (en) * 2019-11-15 2020-02-07 诸暨平措照明科技有限公司 Collapsible LED light
CN110920672A (en) * 2019-12-04 2020-03-27 缙云卡珀科技有限公司 Protection type railway signal lamp
CN110920672B (en) * 2019-12-04 2020-12-25 浙江鼎兴企业管理有限公司 Protection type railway signal lamp

Also Published As

Publication number Publication date
JP2020191277A (en) 2020-11-26
JP6709370B1 (en) 2020-06-17

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Application publication date: 20190927

WW01 Invention patent application withdrawn after publication