CN109539024A

CN109539024A - A kind of varifocal track lamp

Info

Publication number: CN109539024A
Application number: CN201811378556.9A
Authority: CN
Inventors: 涂利敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2019-03-29

Abstract

The present invention relates to a kind of varifocal track lamps, the track lamp includes the light bulb of coaxial arrangement, light source, concave-convex lens, zoom lens, the concave-convex lens is fixed in the light bulb, the light source is fixed at the concave side of the concave-convex lens, so that the light that the light source is launched can be converged by concave-convex lens, the zoom lens are removably set on the convex side of the concave-convex lens, so that the light that the light source is launched focuses after passing through concave-convex lens into zoom lens again, by the focusing twice of concave-convex lens and zoom lens, lighting angle can effectively be adjusted, to improve light efficiency.

Description

A kind of varifocal track lamp

Technical field

The present invention relates to technical field of lighting fixtures, especially a kind of varifocal track lamp.

Background technique

Track lamp is just mounted in the lamp above a similar track, can any regulating irradiation angle, generally as penetrating Lamp uses in the place for needing accent light, also referred to as track spotlight, track lamp etc., mainly applies COB light source, has light efficiency The characteristics of height, uniform in light emission, free from glare, energy conservation and environmental protection are the preferred equipments in lighting apparatus；Existing track lamp, is generally adopted It is matched with the reflector and convex lens of single convex lens or taper, the illumination that COB light source is launched is converged, with Reducing light source scattering bring light efficiency reduces problem；It is empty that the track lamp of above structure still remains improvement in terms of light efficiency raising Between；For this problem, those skilled in the art are badly in need of providing the varifocal rail that a kind of structure is simple, can reduce illumination loss Road lamp.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of structures simply, the varifocal of illumination loss can be effectively reduced Track lamp.

In order to solve the above technical problems, varifocal track lamp provided by the invention, light bulb, light including coaxial arrangement Source, concave-convex lens, zoom lens, the concave-convex lens are fixed in the light bulb, and the light source is fixed at described The concave side of concave-convex lens, so that the light that the light source is launched can be converged by concave-convex lens, the zoom lens can The mobile convex side that the concave-convex lens is set, so that the light that the light source is launched enters zoom after passing through concave-convex lens Lens focus again, by the focusing twice of concave-convex lens and zoom lens, lighting angle can be effectively adjusted, to improve light efficiency.

Further, the light source is COB light source, the column hair being arranged on the COB substrate including COB substrate and protrusion Light area, the outer diameter of the column luminous zone are adapted with the internal diameter of the concave-convex lens concave side, so that the concave-convex lens After edge is abutted with the COB substrate, the column luminous zone is placed in the interior recessed area of the concave-convex lens, by concave-convex lens pair The light that column luminous zone is launched is converged.

Further, the edge of the concave-convex lens extends outwardly to form the circle that setting is integrally formed with the concave-convex lens Disk, the back side of the disk are arranged COB substrate mounting groove compatible with the COB substrate shape, and COB substrate is caught in when assembly In COB substrate mounting groove, so that column luminous zone is completely disposed in the interior recessed area of the concave-convex lens.

Further, the back side of the disk is disposed radially the radiating groove communicated with the COB substrate mounting groove, each to radiate The middle part of slot is arranged through the disk, so that the back side and front of disk can carry out air circulation, raising dissipates COB light source Thermal effect.

Further, varifocal track lamp further includes turnbarrel and translation sleeve, and the inner wall of the light bulb is circumferentially set Limited ring groove is set, calibration loop is arranged in the front end of the turnbarrel, and the multiple rotations of setting are outwardly protruded on the outer wall of the turnbarrel Internal screw thread is arranged in rotaring sleeve buckle, the inner wall of the turnbarrel, and the outer wall setting of the translation sleeve is mutually fitted with the internal screw thread The external screw thread matched, the axially disposed spacing cutting of tail end of the translation sleeve, the zoom lens are fixed at described flat Move in sleeve, axially disposed cutting slideway compatible with the spacing cutting in the light bulb, when assembly the rotary sleeve Cylinder buckle is placed in the limited ring groove, and the calibration loop is placed in the front end outer side of the light bulb, the translation sleeve with it is described Turnbarrel is threadedly engaged, and the spacing cutting is placed in the cutting slideway, when so as to rotate the calibration loop, can drive rotation Rotaring sleeve rotates in the light bulb, drives translation sleeve along light bulb axial translation by turnbarrel, with adjust zoom lens with Axial distance between concave-convex lens realizes zoom.

Further, the turnbarrel and translation sleeve are elastic component, and the turnbarrel buckle includes being wholely set Axially-extending portion and radial male part, the axially-extending portion are fixedly linked with the turnbarrel, the radial direction male part Chamfer bevel is arranged in front end, so that turnbarrel buckle can be pushed into limited ring groove, convenient for assembly.

Further, the zoom lens include circular eyeglass ontology and the annular eyeglass card edge for being integrally formed setting, described The circumferentially arranged interior land of inner wall of sleeve is translated, the outer diameter on eyeglass card edge is less than the internal diameter of the translation sleeve and is greater than The inner wall of the internal diameter of the interior land, the translation sleeve also sets up multiple limit fasteners, and each limit fastener is placed in interior land one On the same circumference of side, when so that the zoom lens being pushed into the translation sleeve, by limit fastener and interior land to zoom Lens forming limit.

Further, the inner wall clearance fit of the outer wall of the eyeglass ontology and the interior land, so that zoom lens are placed in When translating in sleeve, eyeglass ontology is inserted into the interior land, and limiting card is along being placed between the limit fastener and interior land, by limiting Position buckle carries out axial limiting with interior land.

Further, cooling base is set in the light bulb, and the cooling base includes base central column and along base central Column radially outward dissipates multiple radiating fins of setting, and the disk, COB substrate and the base central column are fixedly linked, phase Adjacent two radiating fins form cutting slideway compatible with the spacing cutting.

Further, varifocal track lamp further includes pedestal, connecting upright pole, rotational pin, the bottom end of the connecting upright pole with The top of connecting upright pole is arranged in the base rotation cooperation, the rotational pin, and the tail end of the light bulb and the rotational pin are solid It is fixed to be connected, so that the light bulb can be swung up and down around rotational pin, to adjust the irradiating angle of light bulb inner light source.

Further, varifocal track lamp further includes the attachment base being placed in the light bulb, the top of the attachment base with The base central column is fixedly linked, and rotational pin mounting hole compatible with the rotational pin is arranged in the bottom of the attachment base, The rotational pin is rotatably provided in the rotational pin mounting hole, and the top of the connecting upright pole is protruded into the light bulb and turned The dynamic hinged cooperation of pin, so that the light bulb can be rotated around rotational pin.

Further, varifocal track lamp further includes the light bulb rear cover mating with light bulb tail portion, the light bulb rear cover Cover latch after axially extending setting is multiple, so that the light bulb rear cover is inserted into after the light bulb by rear cover latch and the connection Seat is engaged by clamping, and light bulb rear cover is fixed.

Further, the connecting upright pole includes upright bar ontology, and upright bar screw thread, upright bar screw thread is arranged in the bottom end of the upright bar ontology Upside be arranged postive stop baffle, the longitudinally disposed perforative longitudinal hole of the upright bar ontology, the upright bar ontology top setting with The compatible lateral connection hole of the rotational pin so that the top of the upright bar ontology protrude into the light bulb after through rotational pin with Attachment base is connected, and the pedestal includes pedestal box body and base upper cover, and upper cover stepped hole, institute is arranged in the tail end of the base upper cover It states upright bar and is thread through upper cover stepped hole and be threadedly engaged with base upper cover, postive stop baffle is placed in the upper cover stepped hole, so that Connecting upright pole can rotate on base upper cover.

Further, varifocal track lamp further includes conductive spanner, contact mounting base, interior mounting base, conductive lever, zero curve Contact, live blade and ground wire contact, the conduction spanner include conductive spanner Rotational Cylindrical, the middle part of the conduction spanner column spinner Conductive spanner push rod and spanner limited ring dais is fixedly installed, conductive spanner mounting hole is arranged in the front end of the pedestal box body, so that The top of the conduction spanner Rotational Cylindrical can enter in base box body through conductive spanner mounting hole, the conduction spanner Rotational Cylindrical edge The top of longitudinally disposed perforative center slot, the bottom of the interior mounting base and the conductive spanner Rotational Cylindrical it is mating with It is placed in the interior mounting base in the base box body, the contact mounting base includes the mounting base plug division being wholely set and touching The bottom end of piece abutting part, the mounting base plug division and the conductive spanner Rotational Cylindrical is mating so that the contact abutting part It is placed in that the base box is external, the live blade, neutral blade include the longitudinal inserted sheet being wholely set and lateral bent sheet, institute State live blade longitudinal inserted sheet be inserted into the center slot side setting, the neutral blade longitudinal inserted sheet insertion described in The other side of center slot is arranged, so that the top of longitudinal inserted sheet stretches out the conductive spanner mounting hole, is placed in the interior installation The two sides of seat, the transverse direction bent sheet transversely stretch out the two sides above contact abutting part, the interior mounting base, contact mounting base Center setting be suitable for the central through hole that passes through of the conductive lever, the ground wire contact is fixed at described through conductive lever The interior mounting base setting, and the top setting of conductive lever are stretched out in the bottom end of contact mounting base, the top of the conductive lever Contact on bolt and ground wire.

Further, varifocal track lamp further includes limit spanner, which includes limit spanner Rotational Cylindrical and limit Position spanner push rod, the top of the limit spanner Rotational Cylindrical and the tail end of the pedestal are rotatablely connected, the limit spanner push rod Be fixed at it is described limit spanner Rotational Cylindrical middle part, it is described limit spanner Rotational Cylindrical two sides of the bottom outwardly protrude setting with The limit card block that external line rail is engaged by clamping pushes limit spanner Rotational Cylindrical to rotate in the tail end of pedestal through limit spanner push rod When, limit card block and line rail are engaged by clamping, for realizing the installation of track lamp for the fixed online rail of pedestal.

Further, heat release hole is arranged in the bottom end of the pedestal box body.

The technical effect of invention: (1) of the invention varifocal track lamp is compared with the existing technology, straight by concave-convex lens It connects and is located on light source, so that light source is completely disposed in the recessed area of concave-convex lens, light source uses cylindrical COB light source, adopts Covering the mode of light source completely with concave-convex lens, the light that can avoid in light source leaks out, light loss is avoided, what COB light source was launched The dispersion angle of light is about 120 ° to 160 °, and 45 ° to 60 ° can be focused to after being focused by concave-convex lens；The evagination of concave-convex lens Side is arranged translatable zoom lens and carries out focusing optically focused, so that the dispersion angle for projecting the light of condenser lens is can be controlled in 15 ° to 40 °, spotlight effect is improved, reduces light loss；Carry out zoom is combined using concave-convex lens and condenser lens, is compared In the focus adjustment of traditional lens and reflector, effect is substantially improved；Focus adjusting mechanism using translation sleeve and turnbarrel into Row is threadedly engaged, and converts the rotary motion of turnbarrel to the stretching motion of translation sleeve, is adjusted steadily, structure is simple；Spiral shell Using buckle, groove type cooperation, condenser lens and translation sleeve are easy to using buckle, the desk-top cooperation of inner ring for rotary sleeve and light bulb Assembly；Concave-convex lens and disk integrated injection molding, and COB substrate mounting groove is set so that COB light source can easily with bumps Lens are assembled, while avoiding being exposed to light accidentally；Perforative radiating groove is set on disk, so that the front side of COB substrate equally can be into Row heat dissipation, greatly improved the heat dissipation effect of COB power supply；By the way that grounding wafer, live blade, the zero curve that can rotate synchronously is arranged Contact, it can be ensured that Electrical Safety.

Detailed description of the invention

Invention is further described in detail with reference to the accompanying drawings of the specification:

Fig. 1 is the schematic perspective view of the varifocal track lamp of the present invention；

Fig. 2 is the schematic perspective view when translation sleeve of the varifocal track lamp of the present invention is in stretching state；

Fig. 3 is the decomposition texture schematic diagram of the varifocal track lamp light bulb part of the present invention；

Fig. 4 is the schematic diagram of the section structure of the varifocal track lamp of the present invention；

Fig. 5 is the decomposition texture schematic diagram of the varifocal track lamp base portion of the present invention；

Fig. 6 is the schematic perspective view of turnbarrel of the invention；

Fig. 7 is the schematic perspective view of translation sleeve of the invention；

Fig. 8 is the schematic perspective view of Fresnel lenses of the invention；

Fig. 9 is the schematic perspective view of optically focused part of the invention；

Figure 10 is the schematic perspective view of another angle of optically focused part of the invention；

Figure 11 is the schematic perspective view of light bulb of the invention；

Figure 12 is the schematic perspective view of attachment base of the invention；

Figure 13 is the schematic perspective view of light bulb rear cover of the invention；

Figure 14 is the schematic perspective view of conductive spanner of the invention；

Figure 15 is the schematic perspective view of contact mounting base of the invention；

Figure 16 is the schematic perspective view of interior mounting base of the invention；

Figure 17 is the schematic perspective view of limit spanner of the invention；

Figure 18 is the schematic perspective view of connecting upright pole of the invention；

Figure 19 is that pedestal of the invention opens the schematic perspective view after base upper cover；

Figure 20 is the planar structure schematic diagram of COB light source of the invention；

Figure 21 is the side view of COB light source of the invention.

In figure: light bulb 10, light bulb ontology 101, cooling base 102, light bulb gap 103, radiating fin 104, cutting slideway 105, limited ring groove 106；

Optically focused part 11, concave-convex lens 111, disk 112, COB substrate mounting groove 113, radiating groove 114, mounting hole 115；

Turnbarrel 12, turnbarrel ontology 121, internal screw thread 122, turnbarrel buckle 123, calibration loop 124；

Zoom lens 13, eyeglass ontology 131, eyeglass card is along 132；

Sleeve 14 is translated, sleeve body 141, external screw thread 142, interior land 143, retention bead 144, limit fastener 145, limit are translated Position cutting 146；

Attachment base 15, light bulb connecting plate 151, connection board 152, rear cover snap-gauge 153, rotational pin mounting hole 154 buckle slot 155, crossed beam trunking 156；

Light bulb rear cover 16, rear cover ontology 161, rear cover ring body 162, axial plate 163, after cover buckle 164, buckled under rear cover 165, rear cover gap 166；

Rotational pin 17；

Pedestal 20, base upper cover 21, upper cover stepped hole 211, contact 212 on ground wire,

Pedestal box body 22, conductive spanner mounting hole 221, box body stepped hole 222, conductive lever 223, screw 224, washer 225 connect Ground contact 226, live blade 227, neutral blade 228, lateral bending part 229；

Conductive spanner 23, conductive spanner Rotational Cylindrical 231, center slot 232, spanner limited ring dais 233, contact fixture block 234, contact Stretch out slot 235, conductive spanner push rod 236；

Contact mounting base 24, mounting base plug division 241, contact abutting part 242, contact abut slot 243, grounding wafer mounting cylinder 244, grounding wafer stretches out slot 245, and central through hole 246 is clamped fin 247；

Interior mounting base 25, interior mounting seat body 251, interior mounting base slot 252, interior mounting base plug division 253, interior mounting base fin 254；

Spanner 26 is limited, spanner Rotational Cylindrical 261 is limited, limits spanner push rod 262, limit card block 263；

Connecting upright pole 30, upright bar ontology 301, postive stop baffle 302, upright bar screw thread 303, longitudinal hole 304, lateral connection hole 305；

COB light source 40, COB substrate 401, column luminous zone 402, connecting hole 403.

Specific embodiment

Embodiment 1

As shown in figures 1 and 3, the varifocal track lamp of the present embodiment, including light bulb 10, connecting upright pole 30 and pedestal 20, such as Shown in Fig. 4 and Figure 11, light bulb 10 includes light bulb ontology 101 and light bulb rear cover 16, the middle part setting heat dissipation base in light bulb ontology 101 Seat 102, cooling base 102 include the base central column and multiple radiating fins 104 for being integrally formed setting, each radiating fin 104 Setting is radially outward dissipated along base central column, one end of each radiating fin 104 is connected with base central column, the other end and light bulb 101 inner wall of ontology is connected.

Light source, concave-convex lens 111, zoom lens 13 are coaxially disposed in light bulb ontology 101, concave-convex lens 111 is fixedly installed In light bulb ontology 101, light source is fixed at the concave side of concave-convex lens 111, so that the light that light source is launched can be by recessed Convex lens 111 is converged, and zoom lens 13 are removably set on the convex side of concave-convex lens 111, so that light source was launched Light, which passes through, to be entered zoom lens 13 after concave-convex lens 111 and focuses again, twice by concave-convex lens 111 and zoom lens 13 It focuses, lighting angle can be adjusted, effectively to improve light efficiency.

Specifically, as shown in Figure 20 and Figure 21, light source is COB light source 40, COB light source 40 includes rectangular COB substrate 401 The column luminous zone 402 being arranged on COB substrate 401 with protrusion, the outer diameter and 111 indent of concave-convex lens of column luminous zone 402 The internal diameter of side is adapted, so that column luminous zone 402 is placed in bumps after the edge of concave-convex lens 111 is abutted with COB substrate 401 In the interior recessed area of lens 111, converged by the light that concave-convex lens 111 launches column luminous zone 402.

As shown in Figure 9 and Figure 10, the edge of concave-convex lens 111 is extended outwardly to form is integrally formed with concave-convex lens 111 The disk 112 of setting constitutes optically focused part 11 by disk 112 and concave-convex lens 111；Back side setting and the COB substrate of disk 112 The compatible rectangular COB substrate mounting groove 113 of 401 shapes, COB substrate 401 is caught in COB substrate mounting groove 113 when assembly, with It is completely disposed at column luminous zone 402 in the interior recessed area of concave-convex lens 111.The back side of disk 112 is disposed radially and COB substrate 2 radiating grooves, 114,2 radiating grooves 114 that mounting groove 113 communicates diagonally extend outwardly along rectangular COB substrate mounting groove 113 Setting, and the middle part of each radiating groove 114 is arranged through disk 112, so that the back side and front of disk 112 can carry out air stream It is logical, improve the heat dissipation effect to COB light source 40；Other two diagonal setting mounting hole 115 of rectangular COB substrate mounting groove 113, The diagonal setting of the two of COB substrate 401 connecting hole 403 compatible with mounting hole 115, so that disk 112, COB substrate 401 can be through Screw is fixed at the center of base central column, convenient for assembling to optically focused part 11, light source.

As shown in figure 8, zoom lens 13 are Fresnel Lenses, Fresnel Lenses includes the circular eyeglass for being integrally formed setting Ontology 131 and annular eyeglass card are along 132, and Fresnel Lenses is by turnbarrel 12 and the translation driving translation of sleeve 14, for adjusting Spacing between Fresnel Lenses and concave-convex lens 111.

Embodiment 2

On the basis of embodiment 1, there is following deformation in the varifocal track lamp of the present embodiment:

As shown in fig. 6, turnbarrel 12 includes turnbarrel ontology 121, turnbarrel ontology 121 and 101 gap of light bulb ontology Cooperation, so that turnbarrel ontology 121 can be inserted into the front end of light bulb ontology 101, the circumferentially arranged limit of the inner wall of light bulb ontology 101 Calibration loop 124, uniformly distributed 3 rotations of 121 tail end of turnbarrel ontology is arranged in position annular groove 106, the front end of turnbarrel ontology 121 Sleeve buckle 123, turnbarrel buckle 123 include the axially-extending portion and radial male part being wholely set, axially-extending portion The tail end of one end and turnbarrel ontology 121, which is integrally formed, to be arranged, and the other end is connected with radial male part, before radial male part End setting chamfer bevel, so that turnbarrel buckle 124 can be pushed into limited ring groove 106, and by radial male part and limited ring groove 106 match, and turnbarrel 12 is avoided to be detached from light bulb ontology 101；Internal screw thread is arranged in the inner wall of 121 tail end of turnbarrel ontology 122, translation sleeve 14 includes translation sleeve body 141, and the outer wall setting of translation sleeve body 141 is adapted with internal screw thread 122 External screw thread 142, translate sleeve body 141 tail end 2 spacing cuttings 146 of axially symmetric setting, adjacent two radiating fin 104 form compatible with spacing cutting 146 cutting slideway 105, and turnbarrel buckles 123 and is placed in limited ring groove 106 when assembly Interior, calibration loop 124 is placed in the front end outer side of light bulb ontology 101, and translation sleeve 14 is threadedly engaged with turnbarrel 12, spacing cutting 146 are placed in cutting slideway 105, when rotating calibration loop 105, turnbarrel 12 can be driven to rotate in light bulb ontology 101, by revolving Rotaring sleeve 12 drives translation sleeve 14 along 10 axial translation of light bulb, prevents translation sleeve 14 from rotating by cutting slideway 105.

As shown in fig. 7, the circumferentially arranged interior land 143 of inner wall at 141 middle part of translation sleeve body, eyeglass card is along 132 Outer diameter is less than the internal diameter of translation sleeve body 141 and is greater than the internal diameter of interior land 143, and the inner wall for translating sleeve body 141 is also equal 3 limit fasteners 145 of cloth, each limit fastener 145 are placed on the same circumference of interior 143 side of land, the annular end of interior land 143 Face is evenly distributed with 3 retention beads 144 so that zoom lens 13 push-in translation sleeve body 141 in when, by limit fastener 145 with it is interior Land 143 forms zoom lens 13 and limits, and the edge of zoom lens 13 and retention bead 144 carry out point contact, avoid becoming The edge of focus lens 13 is directly contacted with the annular end face of interior land 143, influences to radiate.

The inner wall clearance fit of the outer wall of eyeglass ontology 131 and interior land 143, so that zoom lens 13 are placed in translation sleeve When in ontology 141, eyeglass ontology 131 is inserted into interior land 143, limiting card along 143 be placed in limit fastener 145 and interior land 143 it Between, axial limiting is carried out by limit fastener 145 and interior land 143, so that turnbarrel 12 can drive zoom lens 13 when rotating It is mobile, the axial distance between zoom lens 13 and concave-convex lens 111 is adjusted, realizes zoom.

The side wall setting of 101 tail portion of light bulb ontology is adapted to the light bulb gap 103 that upright bar 30 passes through, light bulb ontology 101 Attachment base 15 is arranged in interior tail portion, and as shown in figure 12, attachment base 15 includes symmetrically arranged two connection board 152, and two connections are vertical Rotational pin mounting hole 154 is arranged in the middle part of plate 152, and connecting upright pole 30 includes upright bar ontology 301, the top of the upright bar ontology 301 Lateral connection hole 305 is set, so that the top of upright bar ontology 301 enters two after light bulb gap 103 protrudes into light bulb ontology 101 Between connection board 152, it is connected between attachment base 15 and connecting upright pole 30 through rotational pin 17, rotational pin 17 is inserted into rotational pin installation Hole 154 and lateral connection hole 305, so that connecting upright pole 30 is rotatably assorted with attachment base 15；The top of two connection boards 152 is arranged Light bulb connecting plate 151, light bulb connecting plate 151 are fixedly linked through the tail end of screw and base central column, so that attachment base 15 is fixed It is arranged in light bulb ontology 101.

Light bulb rear cover 16 and the tail portion of light bulb ontology 101 are mating, and as shown in figure 13, light bulb rear cover 16 includes rear cover sheet Body 161, rear cover ontology 161 front end setting with the mating rear cover ring body 162 of light bulb ontology 101, rear cover ontology 161 it is interior Side is symmetrical arranged two axial plates 163, and the top of two connection boards 152 is equipped with crossed beam trunking 156, and the two sides of crossed beam trunking 156 are arranged Slot 155 is buckled, rear cover snap-gauge 153 is arranged in the outside of two connection boards 152, and the inside of rear cover ontology 161 is additionally provided with 2 rear covers Buckle 165 under 164 and 2 rear covers of upper buckle, two axial plates 163 are placed in the outside of buckle 155 frame of slot when assembly, after two It covers buckle 164 to be engaged by clamping with buckle slot 155, buckle 165 is engaged by clamping with rear cover snap-gauge 153 under two rear covers, rear cover sheet Rear cover gap 166 compatible with connecting upright pole 30 is arranged in the bottom of body 161, and light bulb rear cover 16 is avoided to influence the rotation of light bulb 10 Angle.

Embodiment 3

On the basis of embodiment 2, there is following deformation in the varifocal track lamp of the present embodiment:

As shown in Fig. 5 and Figure 18, pedestal 20 includes pedestal box body 22 and base upper cover 21, and upper cover is arranged in the tail end of base upper cover 21 Upright bar screw thread 303 is arranged in stepped hole 211, as shown in figure 19, the bottom end of upright bar ontology 301, and limit is arranged in the upside of upright bar screw thread 303 Position baffle 302, the longitudinally disposed perforative longitudinal hole 304 of the upright bar ontology 301, the cable being placed in pedestal box body 22 can be worn It crosses longitudinal hole 304, crossed beam trunking 156, cooling base 102 to be electrically connected with COB substrate 401, be used for power supply power supply, upright bar screw thread 303 pass through upper cover stepped hole 211 is threadedly engaged with base upper cover 21, and postive stop baffle 302 is placed in upper cover stepped hole 211, so that Connecting upright pole 30 can rotate on base upper cover 21.

Pedestal 20 is fixed on external line rail to realize, varifocal track lamp further includes limit spanner 26, is such as schemed Shown in 17, which includes limit spanner Rotational Cylindrical and 261 limit spanner push rods 262, limits spanner Rotational Cylindrical 261 The tail end of top and pedestal box body 22 is rotatablely connected, specifically, box body stepped hole 222, limit is arranged in the tail end of pedestal box body 22 The top of spanner Rotational Cylindrical 261 enters in pedestal box body 22 through box body stepped hole 222, and limits the center of spanner Rotational Cylindrical 261 Screw hole is set, is fixed on box body stepped hole 222 for spanner 26 is limited using screw 224 and washer 225；Limit spanner push rod 262 Be fixed at the middle part of limit spanner Rotational Cylindrical 261, the two sides of the bottom of limit spanner Rotational Cylindrical 261 outwardly protrude setting with it is outer The limit card block 263 for setting the clamping engagement of line rail pushes limit spanner Rotational Cylindrical 261 in pedestal box body through limit spanner push rod 262 Rotation in 22 box body stepped hole 222 is used for so that limit card block 263 and line rail are engaged by clamping by the fixed online rail of pedestal 20 On, realize the installation of track lamp.

For the cable in pedestal 20 is connected with firewire, ground wire, the zero curve on line rail, varifocal track lamp further includes leading Electric wrench 23, contact mounting base 24, interior mounting base 25, conductive lever 223, neutral blade 228, live blade 227 and ground wire touching Piece 226, as shown in figure 14, conductive spanner 23 include conductive spanner Rotational Cylindrical 231, and the middle part of the conduction spanner column spinner 231 is solid Fixed that conductive spanner push rod 236 and spanner limited ring dais 233 is arranged, conductive spanner mounting hole 221 is arranged in the front end of pedestal box body 22, So that the top of conductive spanner Rotational Cylindrical 231 can enter in pedestal box body 22 through conductive spanner mounting hole 221, conductive spanner rotation Longitudinal spacing slot, conductive spanner rotation is arranged in the longitudinally disposed perforative center slot 232 of column 231, the front end of center slot 232 Setting contact fixture block 234, the arc-shaped setting in the front end of contact fixture block 234, and contact fixture block are protruded to two sides in the bottom of column 231 234 bottom is transversely arranged the contact communicated with 232 side of center slot and stretches out slot 235.

As shown in figure 15, contact mounting base 24 includes mounting base plug division 241, and the bottom of mounting base plug division 241 is to two Setting contact abutting part 242 is stretched out in side, and the top setting contact of contact abutting part 242 abuts slot 243, mounting base plug division 241 Bottom end be additionally provided with grounding wafer mounting cylinder 244, the side of grounding wafer mounting cylinder 244 offers grounding wafer mounting groove 245, The center of contact mounting base 24 is suitable for the central through hole 246 that conductive lever 223 passes through through setting, before installing plug division 241 End is arranged compatible with longitudinal spacing slot clamping fin 247, and the insertion of mounting base plug division 241 center slot 232 when assembly blocks Connect the inner wall clearance fit that fin 247 is inserted into longitudinal spacing slot, the two sides of mounting base plug division 241 and center slot 232, contact Abutting part 242 is abutted with contact fixture block 234.

As shown in figure 16, interior mounting base 25 includes the interior mounting seat body 251 being wholely set and interior mounting base plug division 253, be arranged in interior mounting seat body 251 in mounting base slot 252, the front end setting of interior mounting base plug division 253 limits with longitudinal The compatible interior mounting base fin 254 of position slot, it is logical that the center setting of interior mounting base 25 is suitable for the center that conductive lever 223 passes through Hole, when assembly interior mounting base plug division 253 be inserted into center slot 232, interior mounting base fin 254 is inserted into longitudinal spacing slot, interior peace The two sides of seat plug division 253 and the inner wall clearance fit of center slot 232 are filled, interior mounting seat body 251 is connected to conductive spanner On mounting hole 221.

Live blade 227, the structure of neutral blade 228 are identical, include the longitudinal inserted sheet being wholely set and laterally bending Piece 229, the side setting of longitudinal inserted sheet insertion center slot 232 of live blade 227, longitudinal inserted sheet of neutral blade 228 are inserted The other side setting for entering center slot 232, so that longitudinal inserted sheet of live blade 227, neutral blade 228 is placed in contact mounting base 24, in the gap of interior mounting base 25 and 232 inner wall of center slot, and the conductive spanner mounting hole 221 of top stretching of longitudinal inserted sheet, It is placed in the two sides setting of interior mounting base 25, lateral bent sheet 229, which is transversely stretched out, abuts slot 243 and contact stretching slot by contact 235 limiting slots formed.

Ground wire contact 226 is placed in grounding wafer mounting cylinder 244, the front end of conductive lever 223 pass through ground wire contact 226, Mounting base slot 252 in being stretched out after central through hole 246, contact 212 on setting ground wire in interior mounting base slot 252, on the ground wire Contact 212 is connected through bolt with conductive lever 223, so that conductive lever 223 connects ground wire contact 226, contact on ground wire simultaneously 212, while internally mounting base 25, conductive spanner 23, contact mounting base 24 carry out fastening installation, live blade 227 and zero curve touching The protruding setting of the lateral bent sheet 229 of piece 228, ground wire contact 226 are also stretched out that slot 245 is protruding sets by grounding wafer It sets, when so that conductive spanner 23 turning to predetermined angle, the lateral bent sheet 229 of live blade 227 and neutral blade 228, Line contact 226 respectively with firewire, the zero curve, ground contact on line rail, while the longitudinal direction of live blade 227 and neutral blade 228 Cable contact on inserted sheet, ground wire in contact 226 and pedestal box body 22, and the cable in pedestal box body 22 passes through longitudinal hole 304, it is electrically connected after crossed beam trunking 156, cooling base 102 with COB substrate 401, for controlling the power supply system of power supply.

In use, varifocal track lamp is installed on online rail by rotary stopper spanner 26, rotary conductive spanner 23 So that the lateral bent sheet 229 of live blade 227 and neutral blade 228, ground wire contact 226 respectively on line rail firewire, zero Line, ground contact, longitudinal inserted sheet top of live blade 227 and neutral blade 228 in pedestal 20, contact 212 and bottom on ground wire Cable contact in seat 22, is powered light source, and the calibration loop 124 by adjusting turnbarrel 12 makes turnbarrel 12 exist Rotation in light bulb ontology 101 drives translation sleeve 14 to move axially along light bulb ontology 101 by turnbarrel 12, as shown in Fig. 2, Realize focusing.

Preferably, the lead angle of internal screw thread 122, external screw thread 142 is 120 °, zoom lens 13 and concave-convex lens 111 Between Adjustable Range be 18mm, by setting translation sleeve 14 length, by the tail end and cooling base of translation sleeve 14 102 are defined the rotation angle of turnbarrel 12, the amount of movement of translation sleeve 14 when abutting, while in turnbarrel 12 Inner wall annular convex platform is set, annular convex platform is circumferentially disposed at the inside of internal screw thread 122 so that translation sleeve 14 be moved to it is flat When the front end of shifting sleeve 14 is abutted with annular convex platform, translation sleeve 14 is limited, which can carry out according to concrete specification Adjustment.

Cooling base 102 is preferably aluminium alloy injection molding, and light bulb ontology 101 is preferably plastics, turnbarrel 12, translation Sleeve 14, light bulb rear cover 16 are elastic plastic member.

Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair Bright spiritual changes and variations that derived from are still in the protection scope of this invention.

Claims

1. a kind of varifocal track lamp, which is characterized in that light bulb, light source including coaxial arrangement, concave-convex lens, zoom are saturating Mirror, the concave-convex lens are fixed in the light bulb, and the light source is fixed at the concave side of the concave-convex lens, with The light for launching the light source can be converged by concave-convex lens, and the zoom lens are removably set on described concave-convex saturating The convex side of mirror, so that the light that the light source is launched focuses after passing through concave-convex lens into zoom lens again.

2. varifocal track lamp according to claim 1, which is characterized in that the light source is COB light source, including COB The column luminous zone that substrate and protrusion are arranged on the COB substrate, the outer diameter and the concave-convex lens of the column luminous zone The internal diameter of concave side is adapted, so that the column luminous zone is set after the edge of the concave-convex lens is abutted with the COB substrate In in the interior recessed area of the concave-convex lens.

3. varifocal track lamp according to claim 2, which is characterized in that the edge of the concave-convex lens extends outwardly To form the disk for being integrally formed setting with the concave-convex lens, back side setting and the COB substrate shape phase of the disk The COB substrate mounting groove of adaptation, COB substrate is caught in COB substrate mounting groove when assembly, so that column luminous zone is completely disposed at institute It states in the interior recessed area of concave-convex lens.

4. varifocal track lamp according to claim 3, which is characterized in that the back side of the disk be disposed radially with The middle part of the radiating groove that the COB substrate mounting groove communicates, each radiating groove is arranged through the disk.

5. varifocal track lamp according to claim 4, which is characterized in that further include turnbarrel and translation sleeve, The circumferentially arranged limited ring groove of the inner wall of the light bulb, the front end of the turnbarrel are arranged calibration loop, the turnbarrel it is outer The multiple turnbarrel buckles of setting are outwardly protruded on wall, internal screw thread is arranged in the inner wall of the turnbarrel, described to translate the outer of sleeve External screw thread compatible with the internal screw thread, the axially disposed spacing cutting of tail end of the translation sleeve, the change is arranged in wall Focus lens are fixed in the translation sleeve, axially disposed cutting compatible with the spacing cutting in the light bulb Slideway, when assembly, the turnbarrel buckle was placed in the limited ring groove, and the calibration loop is placed in outside the front end of the light bulb Side, the translation sleeve are threadedly engaged with the turnbarrel, and the spacing cutting is placed in the cutting slideway, so that rotation When the calibration loop, turnbarrel can be driven to rotate in the light bulb, drive translation sleeve along light bulb axial direction by turnbarrel Translation.

6. varifocal track lamp according to claim 5, which is characterized in that the turnbarrel is bullet with translation sleeve Property part, turnbarrel buckle includes the axially-extending portion being wholely set and radial male part, the axially-extending portion and institute It states turnbarrel to be fixedly linked, chamfer bevel is arranged in the front end of the radial direction male part, so that turnbarrel buckle can push away Enter limited ring groove.

7. varifocal track lamp according to claim 6, which is characterized in that the zoom lens include being integrally formed to set The circular eyeglass ontology set and annular eyeglass card edge, the circumferentially arranged interior land of inner wall of the translation sleeve, the eyeglass card The outer diameter on edge is less than the internal diameter of the translation sleeve and is greater than the internal diameter of the interior land, and the inner wall of the translation sleeve is also set up Multiple limit fasteners, each limit fastener are placed on the same circumference of interior land side, so that zoom lens push-in is described flat When moving in sleeve, limit is formed to zoom lens by limit fastener and interior land.

8. varifocal track lamp according to claim 7, which is characterized in that the outer wall of the eyeglass ontology with it is described interior The inner wall clearance fit of land, when so that zoom lens being placed in translation sleeve, eyeglass ontology is inserted into the interior land.

9. varifocal track lamp according to claim 8, which is characterized in that cooling base, institute are arranged in the light bulb State multiple radiating fins that cooling base includes base central column and radially outward dissipates setting along base central column, the circle Disk, COB substrate and the base central column are fixedly linked, and adjacent two radiating fin forms insert compatible with the spacing cutting Slideway.

10. varifocal track lamp according to claim 9, which is characterized in that further include pedestal, connecting upright pole, rotation Pin, the bottom end of the connecting upright pole and the base rotation cooperate, and the top of connecting upright pole, the lamp is arranged in the rotational pin The tail end of cylinder is fixedly linked with the rotational pin, so that the light bulb can be swung up and down around rotational pin.