CN201053613Y - Single-end light source locomotive head light - Google Patents

Single-end light source locomotive head light Download PDF

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Publication number
CN201053613Y
CN201053613Y CNU2007201491881U CN200720149188U CN201053613Y CN 201053613 Y CN201053613 Y CN 201053613Y CN U2007201491881 U CNU2007201491881 U CN U2007201491881U CN 200720149188 U CN200720149188 U CN 200720149188U CN 201053613 Y CN201053613 Y CN 201053613Y
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CN
China
Prior art keywords
rear chamber
bulb
hole
lamp socket
lamp
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Expired - Lifetime
Application number
CNU2007201491881U
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Chinese (zh)
Inventor
孙立范
王朝霞
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Signal and Communication Research Institute of CARS
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Signal and Communication Research Institute of CARS
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Priority to CNU2007201491881U priority Critical patent/CN201053613Y/en
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Publication of CN201053613Y publication Critical patent/CN201053613Y/en
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Abstract

The utility model provides a single end light source locomotive headlamp which comprises a lamp body and a backseat. The backseat comprises a bulb, a lamp holder, a lamp holder ferrule and a back cavity which are connected in turn; the bulb is a single end bayonet bulb; the lamp body is arranged on a pitching bracket; the lamp body and the back cavity is in split connection through a 120 degrees side-turning device; a sliding focusing mechanism is arranged between the back cavity and the lamp holder ferrule; the lamp holder ferrule is provided with a bulb bayonet lock. Therefore the utility model has convenient use and maintenance, reasonable design and compact structure, can avoid the problem of train operation accident due to difficult replacement of the bulb, and can be widely applied to locomotive headlamps of internal combustion locomotives, electrical locomotives and multiple unit trains in various main roads.

Description

Single-ended light source locomotive headlamp
Technical field
The utility model relates to the locomotive headlamp, particularly a kind of single-ended light source locomotive headlamp.
Background technology
Bulb is divided into single-ended light source and both-end light source by version, and what lamp holder or lead-in wire were positioned at the bulb glass two ends is called the both-end light source; Lamp holder or lead-in wire are positioned at the single-ended light source that is called of bulb glass one end.
At present, the existing locomotive headlamp of China mainly contains two kinds: a kind of is the halogen tungsten headlamp, and another is the xenon headlamp, and the bulb of these two kinds of headlamps is the both-end light-source structure, and the focus control that matches with it, fitting structure are only applicable to the both-end light-source structure.Locomotive headlamp of the prior art as shown in Figure 1 comprises the lamp body 1 that contains reflective mirror 2, back seat 4, sliding shoe 3, focusing screw 5, lamp bracket 6, and bulb 7.Lamp body 1 is connected for whole with back seat 4, and sliding shoe 3 is located in the back seat 4, and focusing screw 5 passes back seat 4 and is threaded with lamp bracket 6, and lamp bracket 6 one ends are connected with lamp body 1, the other end is connected with sliding shoe 3.Bulb 7 is fixed on the lamp bracket 6 by nut for both-end light source, its two ends.So the locomotive headlamp of this kind structure has following shortcoming: 1) because lamp body 1 is that integral body is connected, bulb 7 adopts the both-end light-source structures with back seat 4, need more change the bulb 7 o'clock, 7 liang of end nuts of bulb must be unscrewed replacing, this moment since reflective mirror 2 block, locomotive top lamp box narrow space, 7 operations that more change the bulb need be stopped, therefore the operation inconvenience more changes the bulb, influence traffic safety, have the shortcoming of operation and maintenance inconvenience.2) bulb 7 two ends are connected with lamp bracket 6 by nut, behind nut loosening, cause the lamp holder loose contact easily and cause the heating, shorten bulb life, even cause the nut of bulb 7 and the lamp bracket 6 of metal material to fuse adhesions, and can't more change the bulb 7, cause driving accident.3) lamp bracket 6 is difficult to guarantee the axiality requirement at bulb 7 two ends, and behind the bulb 7 two ends nut screwing clampings, lamp bracket 6 can form horizontal torsion to bulb 7 damages bulb 7.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned prior art, a kind of single-ended light source locomotive headlamp that is applicable to various main line internal combustions, electric locomotive and EMUs is provided, it has maintenance and easy to use, reasonable in design, compact conformation are avoided the problem of the driving accident that causes owing to can't more changing the bulb.
The technical scheme taked of the utility model is to achieve these goals: a kind of single-ended light source locomotive headlamp comprises lamp body and back seat.Be subjected to horizontal torsion to damage problem in order to solve prior art both-end light source bulb, described back seat comprises bulb, lamp socket, lamp socket lasso and the rear chamber that is linked in sequence, described bulb is single-ended pin bulb, can be single-ended pin Metal halogen lamp bubble or single-ended pin halogen tungsten bulb.Regulate the luffing angle of lamp body for convenience, described lamp body is arranged on the pitching support.More change the bulb for convenience, described lamp body is connected by 120 ° of laterally turning-over device splits with rear chamber.In order to reach convenient focusing purpose, be provided with the slip focus control between rear chamber and the bulb lasso.In order to prevent come off by vibrations, the lamp socket lasso is provided with the bulb bayonet lock.
Described rear chamber is the cylinder of inner hollow, its leading portion is provided with boss, back segment is provided with cylindrical shell, boss is to level two lateral processes, two projections are respectively equipped with horizontal screw, vertical threaded bore, the cylindrical shell horizontal direction both sides of rear chamber, the vertical direction of bottom are respectively equipped with cylindrical protrusion, and the cylindrical protrusion center is respectively equipped with the rear chamber through hole that is parallel to tubular axis; Described lamp socket lasso is the cover of inner hollow, its outer wall horizontal direction both sides and lower vertical direction are respectively equipped with lamp holder sleeve ring through hole, the lamp socket lasso screwed hole that matches with the rear chamber through hole, lamp socket lasso one end inwall two vertical direction are provided with to inner process, and the projection center is respectively equipped with the lamp socket fixed via; Described 120 ° of laterally turning-over devices comprise tie rod and the rear chamber bolt that is separately positioned on rear chamber vertical threaded bore, horizontal screw side, tie rod one end by rotating shaft be connected with lamp body, the other end is connected with the vertical threaded bore of rear chamber by screw; The horizontal screw that the rear chamber bolt passes rear chamber is connected with lamp body; Described slip focus control comprises a focusing screw parallel to each other with its axis, two guide posts and catch, catch is semicircle sheet, corresponding three rear chamber lead to the hole site are provided with the catch through hole that matches with it on it, focusing screw passes rear chamber through hole, lamp socket lasso screwed hole, reaches the catch through hole, and two guide posts pass rear chamber through hole, lamp holder sleeve ring through hole and catch through hole respectively.
Described lamp socket lasso upper vertical direction is provided with the parallel columnar protrusions that is interrupted with the middle part of axis, the columnar protrusions center is provided with the bulb bayonet lock, the bulb bayonet lock comprises axis, spanner and card, spanner, card are arranged on the axis, and three's axis is the three-dimensional perpendicular shape, and axis is arranged on the end that discontinuities, card that columnar protrusions center, spanner be located at columnar protrusions are arranged on axis; Corresponding rear chamber correspondence position is provided with breach.
In order to solve the problem of prior art lamp socket from lamp socket outside lead poor insulativity, described lamp socket centre is provided with dividing plate, the dividing plate both sides are provided with the cavity that holds copper contact block, dividing plate one end both sides are provided with through hole, are provided with screw with an end of the contact block of dividing plate axis normal direction, be used for fixing power supply lead wire, described lamp socket is a Ceramic lamp base.
Described pitching support comprises that base plate reaches the side plate perpendicular to the base plate two ends, and the side plate top is provided with screw, the side plate middle part is provided with horizontal keyway; The corresponding side plate apical position in described lamp body both sides is provided with the projection that contains screw, and the projection lower end is provided with connected wing plate, and respective side plate level keyway position is welded with nut on the wing plate, and bolt passes described horizontal keyway.
The beneficial effects of the utility model can be summarized as following five aspects:
1) compared to existing technology, the utility model has adopted the novel locomotive headlamp of single-ended pin light-source structure, has the rear chamber structure of 120 ° of laterally turning-over devices, has the advantage easily of safeguarding and more change the bulb.
2) compared to existing technology, the utility model has adopted the lamp socket lasso of slip focus control, and bulb, lamp socket slide reposefully along guide post, have the advantage of adjusting focus fast, reposefully.
3) compared to existing technology, the utility model has adopted Ceramic lamp base from copper contact block end leads, has improved electrical insulation properties, and has made things convenient for the maintenance of headlamp.
4) the utility model has adopted bulb bayonet lock structure, has in preventing to use the advantage that bulb that vibrations produce comes off.
5) the utility model has adopted the pitching support, and pitch orientation, the use that can regulate light fixture easily are more convenient.
Therefore the utlity model has and safeguard and easy to use, reasonable in design, compact conformation, avoid the problem of the driving accident that causes owing to can't more changing the bulb, so can be widely used in the locomotive headlamp of various main line internal combustions, electric locomotive and EMUs.
Description of drawings
Fig. 1 is a locomotive headlamp of the prior art;
Fig. 2 is the utility model stereogram;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the partial sectional view of back seat described in the utility model;
Fig. 5 is the stereogram of rear chamber described in the utility model;
Fig. 6 is the stereogram of lamp socket lasso described in the utility model and bulb bayonet lock;
Fig. 7 is that lamp socket stereogram described in the utility model and B thereof are to stereogram;
Fig. 8 is the stereogram of catch described in the utility model;
Fig. 9 is the stereogram of support described in the utility model.
Among the figure: 1 lamp body, 2 reflective mirrors, 3 sliding shoes, 4 back seats, 5 focusing screws, 6 lamp brackets, 7 bulbs, 11 projections, 12 wing plates, 13 nuts, 14 bolts, 20 lamp sockets, 21 dividing plates, 22 cavitys, 23 through holes, 24 screws, 25 copper contact blocks, 30 lamp socket lassos, 31 lamp holder sleeve ring through hole, 32 lamp socket lasso screwed holes, 33 lamp socket fixed vias, 40 rear chambers, 41 boss, 42 cylindrical shells, 43 projections, 44 horizontal screws, 45 vertical threaded bore, 46 cylindrical protrusion, 47 rear chamber through holes, 48 breach, 50 pitching supports, 51 base plates, 52 side plates, 53 horizontal keyways, 60 120 ° of laterally turning-over devices, 61 tie rods, 62 rear chamber bolts, 63 rotating shafts, 70 slip focus controls, 71 guide posts, 72 catch, 73 catch through holes, 80 bulb bayonet locks, 81 axis, 82 spanners, 83 cards.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
A kind of single-ended light source locomotive headlamp shown in Fig. 2-3 comprises lamp body 1, back seat 4, reaches bulb 7.Be difficult for more changing the bulb 7 in order to solve prior art both-end light source, be subjected to problem such as horizontal torsion damage, described bulb 7 be that single-ended pin Metal halogen lamp steeps or single-ended pin halogen tungsten bulb.In order to adapt to single-ended light-source structure, described back seat 4 comprises bulb 7, lamp socket 20, lamp socket lasso 30 and the rear chamber 40 that is linked in sequence from the inside to the outside.In order to make the convenient luffing angle of regulating lamp body 1, described lamp body 1 is arranged on the pitching support 50, reaches the purpose of adjusting the light pitching by adjusting wing plate 12.For convenience more change the bulb 7, described lamp body 1 is connected by 120 ° of laterally turning-over device 60 splits with rear chamber 40.In order to reach convenient focusing purpose, be provided with slip focus control 70 between rear chamber 40 and the bulb lasso.In order to prevent come off by vibrations, lamp socket lasso 30 is provided with bulb bayonet lock 80.
Rear chamber 40 as shown in Figure 5, described rear chamber 40 is the cylinder of inner hollow, its leading portion is provided with boss 41, back segment is provided with cylindrical shell 42, boss 41 is to level two lateral processes 43, two projections 43 are respectively equipped with horizontal screw 44, vertical threaded bore 45, the cylindrical shell 42 horizontal direction both sides of rear chamber 40, the vertical direction of bottom are respectively equipped with cylindrical protrusion 46, and cylindrical protrusion 46 centers are respectively equipped with the rear chamber through hole 47 that is parallel to cylindrical shell 42 axis and play the guiding role.Rear chamber 40 cylindrical shells 42 tops are provided with breach 48.As shown in Figure 4, described 120 ° of laterally turning-over devices 60 comprise tie rod 61 and the rear chamber bolt 62 that is separately positioned on rear chamber vertical threaded bore 45, horizontal screw 44 sides, tie rod 61 1 ends by rotating shaft 63 be connected with lamp body 1, the other end is connected with the vertical threaded bore 45 of rear chamber by screw; The horizontal screw 44 that rear chamber bolt 62 passes rear chamber is connected with lamp body 1.Need more change the bulb 7 o'clock, outward winding, make rear chamber 40 along rotating shaft 63 rollovers on rear chamber bolt 62, whole back seat 4 sides are opened, bulb 7 escapes reflective mirror 2 and blocks, from reflective mirror 2 back perforates, produce, towards the operator, be easy to bulb 7 is extracted, newer bulb 7 is plugged, can in locomotive is advanced, more change the bulb 7, avoid problem owing to 7 driving accidents that cause that can't more change the bulb.
Lamp socket lasso 30 as shown in Figure 6, described lamp socket lasso 30 is the cover of inner hollow, its outer wall horizontal direction both sides and lower vertical direction are respectively equipped with lamp holder sleeve ring through hole 31, the lamp socket lasso screwed hole 32 that matches with rear chamber through hole 47, lamp socket lasso 30 1 end inwalls two vertical direction are provided with inside projection, and the projection center is provided with lamp socket fixed via 33.The bulb 7 that produces for vibrations in preventing to use comes off, as shown in Figure 6, described lamp socket lasso 30 upper vertical directions are provided with the columnar protrusions of the middle part interruption that parallels to the axis, the columnar protrusions center is provided with bulb bayonet lock 80, bulb bayonet lock 80 comprises axis 81, spanner 82 and card 83, spanner 82, card 83 are arranged on the axis 81, the axis of spanner 82, card 83 and axis 81 is the three-dimensional perpendicular shape, and axis 81 is arranged on the columnar protrusions center, spanner 82 is located at the discontinuities of columnar protrusions, the end that card 83 is arranged on axis 81; Corresponding rear chamber 40 correspondence positions are provided with breach 48.
As shown in Figure 3, described slip focus control 70 comprises focusing screw 5, two guide posts 71 and catch 72, catch 72 is semicircle sheet, corresponding rear chamber through hole 47 positions are provided with the catch through hole 73 that matches with it on it, focusing screw 5 passes rear chamber through hole 47, lamp socket lasso screwed hole 32 and catch through hole 73 respectively, and guide post 71 passes rear chamber through hole 47, lamp holder sleeve ring through hole 31 and catch through hole 73.During rotation focusing screw 5, bulb 7, lamp socket 20 slide reposefully along guide post 71 and reach the purpose of adjusting focus.
In order to solve the problem of prior art Ceramic lamp base from lamp socket periphery lead wire insulation difference, lamp socket 20 as shown in Figure 7, described lamp socket 20 centres are provided with dividing plate 21, dividing plate 21 both sides are provided with the cavity 22 that holds copper contact block 25, dividing plate 21 1 end both sides are provided with through hole 23 that usefulness is installed, are provided with screw with dividing plate 21 axis normal directions at an end of copper contact block 25, be used for fixing power supply lead wire, described lamp socket 20 is a Ceramic lamp base.Therefore improve the electrical insulation properties of lamp socket 20, and made things convenient for the maintenance of headlamp.
The pitching support 50 as shown in Figure 8, and described pitching support 50 comprises the side plate 52 that base plate 51 reaches perpendicular to base plate 51 two ends, and side plate 52 tops are provided with screw, side plate 52 middle parts are provided with horizontal keyway 53; Corresponding side plate 52 apical positions in described lamp body 1 both sides are provided with the projection 11 that contains screw 24, and projection 11 lower ends are provided with connected wing plate 12, and corresponding side plate 52 horizontal keyways 53 positions are welded with nut 13 on the wing plate 12, and bolt 14 passes described horizontal keyway 53.Therefore made things convenient for the pitch regulation of lamp body 1.
Therefore the utlity model has and safeguard and easy to use, reasonable in design, compact conformation, avoid the problem of the driving accident that causes owing to can't more changing the bulb, so be widely used in the locomotive headlamp of various main line internal combustions, electric locomotive and EMUs.
Above-described embodiment, the utility model specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.

Claims (5)

1. single-ended light source locomotive headlamp, comprise lamp body and back seat, it is characterized in that: described back seat comprises bulb, lamp socket, lamp socket lasso and the rear chamber that is linked in sequence, described bulb is single-ended pin bulb, described lamp body is arranged on the pitching support, described lamp body is connected by 120 ° of laterally turning-over device splits with rear chamber, is provided with the slip focus control between rear chamber and the bulb lasso, and the lamp socket lasso is provided with the bulb bayonet lock.
2. by the described single-ended light source locomotive headlamp of claim 1, it is characterized in that: described rear chamber is the cylinder of inner hollow, its leading portion is provided with boss, back segment is provided with cylindrical shell, boss is to level two lateral processes, two projections are respectively equipped with horizontal screw, vertical threaded bore, the cylindrical shell horizontal direction both sides of rear chamber, the vertical direction of bottom are respectively equipped with cylindrical protrusion, and the cylindrical protrusion center is respectively equipped with the rear chamber through hole that is parallel to tubular axis;
Described lamp socket lasso is the cover of inner hollow, its outer wall horizontal direction both sides and lower vertical direction are respectively equipped with lamp holder sleeve ring through hole, the lamp socket lasso screwed hole that matches with the rear chamber through hole, lamp socket lasso one end inwall two vertical direction are provided with to inner process, and the projection center is respectively equipped with the lamp socket fixed via;
Described 120 ° of laterally turning-over devices comprise tie rod and the rear chamber bolt that is separately positioned on rear chamber vertical threaded bore, horizontal screw side, tie rod one end by rotating shaft be connected with lamp body, the other end is connected with the vertical threaded bore of rear chamber by screw; The horizontal screw that the rear chamber bolt passes rear chamber is connected with lamp body;
Described slip focus control comprises a focusing screw parallel to each other with its axis, two guide posts and catch, catch is semicircle sheet, corresponding three rear chamber lead to the hole site are provided with the catch through hole that matches with it on it, focusing screw passes through hole, lamp socket lasso screwed hole, and the catch through hole of rear chamber, and two guide posts pass through hole, lamp holder sleeve ring through hole and the catch through hole of rear chamber respectively.
3. by the described single-ended light source locomotive headlamp of claim 2, it is characterized in that: described lamp socket lasso upper vertical direction is provided with the columnar protrusions that there is interruption at the middle part of paralleling to the axis, the columnar protrusions center is provided with the bulb bayonet lock, the bulb bayonet lock comprises axis, spanner and card, spanner, card are arranged on the axis, and three's axis is the three-dimensional perpendicular shape, and axis is arranged on the end that discontinuities, card that columnar protrusions center, spanner be located at columnar protrusions are arranged on axis; Corresponding rear chamber correspondence position is provided with breach.
4. by the described single-ended light source locomotive headlamp of claim 1, it is characterized in that: described lamp socket centre is provided with dividing plate, the dividing plate both sides are provided with the cavity that holds copper contact, dividing plate one end both sides are provided with through hole, are provided with screw with an end of the copper contact of dividing plate axis normal direction, and described lamp socket is a Ceramic lamp base.
5. by the arbitrary described single-ended light source locomotive headlamp of claim 1-4, it is characterized in that: described pitching support comprises that base plate reaches the side plate perpendicular to the base plate two ends, and the side plate top is provided with screw, the side plate middle part is provided with horizontal keyway; The corresponding side plate apical position in described lamp body both sides is provided with the projection that contains screw, and the projection lower end is provided with connected wing plate, and respective side plate level keyway position is welded with nut on the wing plate, and bolt passes described horizontal keyway.
CNU2007201491881U 2007-05-18 2007-05-18 Single-end light source locomotive head light Expired - Lifetime CN201053613Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201491881U CN201053613Y (en) 2007-05-18 2007-05-18 Single-end light source locomotive head light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201491881U CN201053613Y (en) 2007-05-18 2007-05-18 Single-end light source locomotive head light

Publications (1)

Publication Number Publication Date
CN201053613Y true CN201053613Y (en) 2008-04-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201491881U Expired - Lifetime CN201053613Y (en) 2007-05-18 2007-05-18 Single-end light source locomotive head light

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107310627A (en) * 2017-07-14 2017-11-03 常州市利凯车辆配件厂 The vehicle frame of four-wheel electric motor car
CN108591959A (en) * 2014-12-25 2018-09-28 株式会社小糸制作所 Lighting device
CN109855045A (en) * 2017-11-30 2019-06-07 株式会社小糸制作所 Lamps apparatus for vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108591959A (en) * 2014-12-25 2018-09-28 株式会社小糸制作所 Lighting device
US10859224B2 (en) 2014-12-25 2020-12-08 Koito Manufacturing Co., Ltd. Lighting device
CN108591959B (en) * 2014-12-25 2023-11-21 株式会社小糸制作所 Lighting device
CN107310627A (en) * 2017-07-14 2017-11-03 常州市利凯车辆配件厂 The vehicle frame of four-wheel electric motor car
CN109855045A (en) * 2017-11-30 2019-06-07 株式会社小糸制作所 Lamps apparatus for vehicle
CN109855045B (en) * 2017-11-30 2021-10-22 株式会社小糸制作所 Vehicle lamp

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Granted publication date: 20080430

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