Track lamp

Abstract

The utility model discloses a track lamp which comprises a guide rail provided with a conductive strip arranged in the length direction of the guide rail. The lamp holder is in sliding fit with the guide rail; the lamp body comprises a lamp shell and a light-emitting assembly, the lamp shell is in running fit with the lamp holder, the light-emitting assembly is arranged in the lamp shell, an electric connecting piece which is electrically connected with the light-emitting assembly and extends out of the lamp shell is arranged on the lamp shell, and the light-emitting assembly is electrically connected with the electric connecting piece in the process that the lamp body rotates relative to the lamp holder. And the lamp body has a power-on state in which the electric connecting piece is in contact with the conductive strip so as to enable the light-emitting component to be connected with an external power supply, and a power-off state in which the electric connecting piece is separated from the conductive strip. Compared with the prior art, the lamp body is rotated to enable the electric connecting piece to be in contact with or disconnected from the conductive strip so as to control whether the lamp body is turned on or not, the operation is simple and convenient, and the application requirements of different scenes can be met.

Description

Technical Field

[0001] The present application relates to the technical field of lamps, and in particular to a track light. Background Art

[0002] Traditional track lights are mostly spotlights or downlights, which can achieve directional lighting, but the illumination range is small. Compared with spotlights or downlights, ceiling lights have a larger illumination range, and their lamp bodies are generally installed by fixing them to the wall or ceiling using lamp holders, but the lighting position is fixed.

[0003] In the prior art, CN209458789U discloses a track ceiling lamp, which includes a track mounting seat, a track mounting slot and a mounting spring fixedly arranged on the ceiling lamp chassis. The ceiling lamp slides with the track through the mounting slot, and the mounting spring elastically contacts and presses with the neutral line and the live line of the guide rail. Although this structure can realize the sliding of the ceiling lamp and light up all lamp bodies after the mains is input to the guide rail, it cannot selectively control whether the target lamp body lights up according to the scene lighting requirements, and has low flexibility. Utility Model Content

[0004] In view of the existing technical problems, the present application provides a track light to flexibly control the lighting of the lamp body on the guide rail.

[0005] The track lights provided in this application include:

[0006] A guide rail provided with conductive strips arranged along its length;

[0007] A lamp holder, slidingly engaged with the guide rail;

[0008] The lamp body includes a lamp shell rotatably matched with the lamp holder and a light-emitting component arranged in the lamp shell. The lamp shell is provided with an electrical connector electrically connected to the light-emitting component and extending out of the lamp shell. During the rotation of the lamp body relative to the lamp holder, the lamp body has a power-on state in which the electrical connector contacts the conductive strip to enable the light-emitting component to be connected to an external power supply, and a power-off state in which the electrical connector is detached from the conductive strip.

[0009] Several optional methods are also provided below, but they are not intended to be additional limitations on the above-mentioned overall solution, but are merely further supplements or preferences. Under the premise that there are no technical or logical contradictions, each optional method can be combined with the above-mentioned overall solution separately, and multiple optional methods can also be combined.

[0010] Optionally, a through hole for accommodating the electrical connector is provided at the rotation center of the lamp housing, and two ends of the electrical connector extend out of the through hole.

[0011] Optionally, both end portions of the electrical connector are folded outward to form connection terminals.

[0012] Optionally, a hole column with the through hole is provided on the lamp housing, a radially extending latch tongue is provided on the peripheral side surface of the hole column, and a first latch groove arranged along the length direction and cooperating with the latch tongue is provided on the guide rail.

[0013] Optionally, the electrical connectors are sheet-shaped metal springs arranged in pairs, and a tensioning member for fixing the electrical connector is provided in the through hole.

[0014] Optionally, the lamp housing has a disc-shaped engaging piece, and the lamp holder has a limiting cavity rotatably matched with the engaging piece.

[0015] Optionally, the guide rail has a slide groove, the conductive strip is arranged on the inner side wall of the slide groove, and the lamp holder has a sliding portion that cooperates with the slide groove and a coupling portion that rotates with the lamp housing.

[0016] Optionally, the lamp housing has a recessed groove, and the coupling portion is hidden in the recessed groove.

[0017] Optionally, the electrical connector extends into the lamp holder, and in the power-on state, a portion of the electrical connector is exposed from the sliding portion, and in the power-off state, the electrical connector is hidden in the sliding portion.

[0018] Optionally, the lamp housing includes a base, a diffusion plate arranged relative to the light-emitting component, and a decorative ring connecting the diffusion plate and the base.

[0019] Optionally, the decorative ring has a horizontal folded edge, and the edge of the diffuser plate overlaps the folded edge.

[0020] Optionally, the base has a circumferential side wall that is clamped with the decorative ring, and the folded edge has a first positioning groove that cooperates with the circumferential side wall.

[0021] Compared with the prior art, the present application can control whether the lamp body is lit by rotating the lamp body to make its electrical connector contact or disconnect with the conductive strip. The operation is simple and convenient and can meet the application requirements of different scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the structure of a track light in an embodiment;

[0023] Figure 2 This is a schematic diagram of the structure of a guide rail, a lamp holder and a lamp body in one embodiment;

[0024] Figure 3 is an exploded view of a track light in one embodiment;

[0025] Figure 4 This is a schematic diagram of the structure of a hole column in an embodiment;

[0026] Figure 5 A schematic diagram of the structure of a base and a hole column in one embodiment;

[0027] Figure 6 This is a schematic diagram of the structure of a tensioning member in one embodiment;

[0028] Figure 7 is a schematic structural diagram of a lamp holder in one embodiment;

[0029] Figure 8 It is a schematic diagram of a partial structure of a base in one embodiment;

[0030] Fig. 9 for Figure 8 Enlarged view of part A in the middle;

[0031] Fig.10 is a schematic structural diagram of a decorative ring in one embodiment;

[0032] Fig.11 is a cross-sectional view of a track light in one embodiment;

[0033] Fig.12 is a partial cross-sectional view of a track light in one embodiment;

[0034] Fig.13 is another partial cross-sectional view of the track light;

[0035] Fig.14 is another partial cross-sectional view of the track light;

[0036] Fig.15 is another partial cross-sectional view of the track light;

[0037] Fig.16 is a schematic diagram of the structure of a guide rail and a sliding part in one embodiment;

[0038] Fig.17 is a partial structural diagram of a track light in one embodiment;

[0039] Fig.18 A schematic diagram showing the complementarity of the two substrates.

[0040] The reference numerals in the figures are described as follows:

[0041] 100, guide rail; 110, conductive strip; 120, slide slot; 130, first slot;

[0042] 200, lamp holder; 210, joint; 211, upper part; 2111, buckle groove; 2112, upper protrusion; 212, lower part; 2121, buckle; 2122, lower protrusion; 2123, positioning protrusion; 2124, opening; 213, limiting cavity; 220, sliding part; 221, first window; 222, second window; 223, elastic protrusion; 224, grounding piece;

[0043] 300, lamp housing; 310, base; 311, through hole; 312, tensioner; 3121, first elastic arm; 3122, second elastic arm; 3123, limiter; 3124, stopper; 313, fastener; 314, sink; 315, circumferential side wall; 3151, second clamping groove; 3152, third positioning groove; 3153, guide groove; 316, support rib; 317, fixing protrusion; 318, engaging member; 319, hole column; 3191, clamping tongue; 320, diffuser; 330, decorative ring; 331, folding edge; 3311, first positioning groove; 3312, welding part; 332, clamping protrusion;

[0044] 400, electrical connector; 410, first metal spring; 411, first connection terminal; 412, second connection terminal; 420, second metal spring; 421, third connection terminal; 422, fourth connection terminal;

[0045] 500, light-emitting component; 510, substrate; 511, fixing hole; 512, first substrate strip; 513, second substrate strip; 520, LED lamp beads; 530, first substrate; 540, second substrate;

[0046] 600. Driving power supply. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0048] It should be noted that when a component is referred to as being "connected" to another component, it may be directly connected to the other component or there may be a central component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be a central component at the same time.

[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0050] See also Figures 1 to 18 In the illustrated embodiment, the present application provides a track light, comprising a guide rail 100, a lamp holder 200 and a lamp body, wherein the guide rail 100 is provided with a conductive strip 110 arranged along its length direction, the lamp holder 200 is slidably matched with the guide rail 100, the lamp body comprises a lamp housing 300 and a light-emitting component 500 arranged in the lamp housing, the lamp housing 300 is rotatably matched with the lamp holder 200, an electrical connector 400 is provided on the lamp housing 300, the electrical connector 400 is electrically connected to the light-emitting component 500 and extends out of the lamp housing, so that the light-emitting component 500 can be connected to an external power supply.

[0051] When the lamp body rotates relative to the lamp holder 200 , the electrical connector 400 rotates synchronously with the lamp body. The lamp body has a conductive state in which the electrical connector 400 contacts the conductive strip 110 so that the light-emitting component 500 can be connected to an external power source, and a power-off state in which the electrical connector 400 is disconnected from the conductive strip 110 .

[0052] In this embodiment, the electrical connector 400 can be connected or disconnected with the conductive strip 110 by rotating the lamp body relative to the lamp holder 200 to control whether the light emitting assembly 500 is connected to an external power source (mains power), thereby controlling whether the lamp body is lit.

[0053] See also Figures 3 to 5 In the embodiment shown, a through hole 311 is provided at the rotation center of the lamp housing, and the through hole 311 is used to accommodate the electrical connector 400. During assembly, both ends of the electrical connector 400 extend out of the through hole 311, and further, both ends of the electrical connector 400 are folded outward to form connection terminals, so that both ends are electrically connected to the external power supply and the light-emitting assembly 500, respectively.

[0054] Specifically, the lamp housing is provided with a hole column 319, which is axially penetrated to form a through hole 311. The outer peripheral surface of the hole column 319 is provided with a radially extending latch 3191, and the guide rail 100 is provided with a first latch groove 130 arranged along the length direction. During the rotation of the lamp housing relative to the lamp holder 200, the hole column 319 has a first state in which the latch tongue 3191 is engaged in the first latch groove 130, and a second state in which the latch tongue 3191 is out of the first latch groove 130.

[0055] See also Figure 5The electrical connector 400 is a sheet metal spring, which helps to achieve contact with the conductive strip 110. The guide rail 100 is generally connected to an alternating current, with a live wire and a neutral wire. Accordingly, the electrical connector 400 is arranged in pairs (e.g., a first metal spring 410 and a second metal spring 420), respectively connected to the live wire and the neutral wire, and the connection terminals (the first connection terminal 411 and the third connection terminal 421) at the top thereof can contact with the corresponding conductive strip 110, and the connection terminals (the second connection terminal 412 and the fourth connection terminal 422) at the bottom thereof extend out of the through hole 311 and extend into the lamp housing 300, and can be electrically connected to the light-emitting assembly 500 through a wire, so that the light-emitting assembly 500 is connected to the mains.

[0056] See also Figures 4 to 6 In order to fix the electrical connector 400, a tensioning member 312 is disposed in the through hole 311. The tensioning member 312 has a first elastic arm 3121 and a second elastic arm 3122 located in the through hole 311. Two first elastic arms 3121 are disposed side by side, and each first elastic arm 3121 is pressed against a corresponding metal spring. In addition, the top of each first elastic arm 3121 extends out of the through hole 311 and has a limiting portion 3123. The limiting portion 3123 is limitedly matched with the top of the hole column 319.

[0057] Two second elastic arms 3122 are arranged side by side, each second elastic arm 3122 extends toward the bottom of the through hole 311 and extends out of the through hole 311, and has a stopper 3124 that cooperates with the inner wall of the through hole 311. Under the action of the limiting portion 3123 and the stopper 3124, the tensioning member 312 can be effectively fixed.

[0058] See also Figure 5 , 13 In one embodiment, the lamp housing 300 has a disc-shaped engaging member 318, and the lamp holder 200 has a limiting cavity 213 that rotates with the engaging member 318. The engaging member 318 extends into the limiting cavity 213 and can rotate in the limiting cavity 213, so that the lamp housing 300 can rotate smoothly relative to the lamp holder 200.

[0059] For the convenience of manufacturing, the hole column 319 and the clamping member 318 are integrally formed, and the hole column 319 is located in the central area of ​​the clamping member 318. The main body of the lamp housing 300 and the clamping member 318 are separately arranged and can be connected by a fastener 313. The clamping member 318 is fixed in the central area of ​​the lamp housing 300. For details, see Fig.12 .

[0060] See also Figures 1 to 3The lamp holder 200 includes a sliding portion 220 and a coupling portion 210. The lamp holder 200 slides with the guide rail 100 through the sliding portion 220, and rotates with the lamp housing 300 through the coupling portion 210. Specifically, the sliding portion 220 is a hollow slider, and a limited cavity 213 is provided in the coupling portion 210.

[0061] After assembly, the electrical connector 400 extends into the lamp holder 200, specifically into the sliding portion 220. In the power-on state, the end of the electrical connector 400 is exposed from the sliding portion 220, and in the power-off state, the end of the electrical connector 400 is hidden in the sliding portion 220. The sliding portion 220 has a window for the electrical connector 400 to enter and exit.

[0062] See also Figure 2 , 8 In the illustrated embodiment, the lamp housing 300 has a recessed groove 314, and during assembly, the coupling portion 210 is hidden in the recessed groove 314. Specifically, the coupling portion 210 is roughly disc-shaped, and the top wall of the lamp housing 300 is recessed downward to form the recessed groove 314 that matches the outer peripheral surface of the coupling portion 210. The inner contour of the recessed groove 314 is adapted to the outer contour of the coupling portion 210. The top of the lamp housing 300 is against the sliding portion 220, which can make the lamp more compact as a whole without causing movement interference.

[0063] See also Figure 7 In order to facilitate installation, in one embodiment, the coupling portion 210 is formed by the buckling of the upper portion 211 and the lower portion 212, and the sliding portion 220 is connected to the upper portion 211. A buckling structure is provided between the upper portion 211 and the lower portion 212, for example, the upper portion 211 is provided with a buckle groove 2111, and the lower portion 212 is provided with a buckle 2121 that cooperates with the buckle groove. There are multiple buckling structures, and they are distributed at intervals along the circumference of the lamp holder 200. The upper portion 211 and the lower portion 212 are also provided with positioning structures, for example, the upper portion 211 is provided with a second positioning groove (not shown), and the lower portion 212 is provided with a positioning protrusion 2123, and the bottom of the second positioning groove is open for the positioning protrusion 2123 to be inserted.

[0064] An upper protrusion 2112 is disposed inside the upper portion 211 , and a lower protrusion 2122 is disposed inside the lower portion 212 . The upper protrusion 2112 and the lower protrusion 2122 are staggered along the radial direction of the lamp holder 200 , and the two protrusions enclose a limiting cavity 213 .

[0065] See also Figure 8 The lamp housing 300 further includes a base 310, which is roughly a housing structure and has a sink 314 on the top. The light-emitting assembly 500 is accommodated in the cavity of the housing structure. The engaging member 318 is also located in the sink 314 and is connected to the base 310 through a fastener.

[0066] See also Fig.16In the illustrated embodiment, the guide rail 100 has a slide groove 120, for example, the inner wall of the guide rail 100 is provided with a slide groove 120 extending in the length direction; the sliding portion 220 is a slider, and the slider is located on the top side of the coupling portion 210. The electrical connector 400 extends into the sliding portion 220, and the side wall of the sliding portion 220 has a first window 221 that allows the electrical connector 400 to be partially exposed, that is, the connection terminals (such as the first connection terminal 411 and the third connection terminal 421) can partially expose the window to contact the conductive strip 110.

[0067] To facilitate installation and disassembly, an elastic protrusion 223 is provided on the side wall of the slider, and a first card slot 130 that cooperates with the elastic protrusion 223 is provided on the inner wall of the track. The first card slot 130 is arranged along the length direction of the guide rail 100. The side wall of the slider has a second window 222 that allows the tongue 3191 to be partially exposed. Further, the second window 222 and the elastic protrusion 223 are arranged horizontally, and both cooperate with the first card slot 130.

[0068] In order to improve the safety of the lamp, a grounding member 224 is provided on the sliding portion 220, such as a metal spring, which can be in contact with the guide rail 100 to achieve grounding.

[0069] See also Fig.14 , 15 In the illustrated embodiment, in addition to the base 310, the lamp housing further includes a diffuser plate 320 and a decorative ring 330. The diffuser plate 320 is disposed relative to the light emitting assembly 500, and the decorative ring 330 is used to connect the diffuser plate 320 and the base 310. Specifically, the decorative ring 330 has a horizontal folded edge 331, and the edge of the diffuser plate 320 overlaps the folded edge 331.

[0070] Specifically, the base 310 has a circumferential side wall 315 that is engaged with the decorative ring 330, and the folded edge 331 has a first positioning groove 3311 that matches the circumferential side wall 315. The outer side surface of the circumferential side wall 315 of the base 310 is also provided with a second clamping groove 3151 with a top opening, and the decorative ring 330 is also provided with a clamping protrusion 332 that matches the second clamping groove 3151. There are multiple clamping protrusions 332, which are distributed at intervals along the circumference of the base 310, and the number and position of the second clamping groove 3151 are set accordingly.

[0071] See also Figures 8 to 11 In the embodiment shown in FIG. 15 , the folded edge 331 has a plurality of welded portions 3312 arranged in the circumferential direction, and the diffuser plate 320 is placed on the welded portions 3312. The welded portions 3312 are melted by ultrasonic waves to fix the diffuser plate 320 to the folded edge 331. The welded portions 3312 may be ribs arranged in the circumferential direction of the decorative ring 330.

[0072] Furthermore, the circumferential side wall 315 of the base 310 is also provided with a plurality of third positioning grooves 3152 and guide grooves 3153 that cooperate with the decorative ring. Each third positioning groove 3152 , each guide groove 3153 and each second card groove 3151 are arranged one by one on the same axis to facilitate the guiding installation of the decorative ring 330 and the base 310 .

[0073] See also Fig.17 The light-emitting assembly 500 includes a substrate 510 and an LED lamp bead 520 fixed on the substrate 510. The inner wall of the base 310 is provided with a plurality of spaced support ribs 316 for mounting and fixing the substrate 510 of the light-emitting assembly 500. A fixing protrusion 317 is provided on the inner wall of the base 310, and a fixing hole 511 is provided on the substrate 510 to match the fixing protrusion 317, wherein the fixing protrusion 317 is made of a fusible plastic material, and the substrate 510 can be fixed by ultrasonic welding.

[0074] The LED lamp generally further includes a driving power supply 600 disposed on the substrate 510 or independently configured and electrically connected to the electrical connector 400 . In one embodiment, the driving power supply 600 is fixed on the inner wall of the base 310 and is located between the two supporting ribs 316 .

[0075] The substrate 510 is usually a metal substrate, such as an aluminum substrate. To save materials, in one embodiment, the substrate 510 is a rake-shaped structure, that is, it includes a plurality of first substrate strips 512 arranged in parallel and at intervals and second substrate strips 513 connecting the first substrate strips 512, and each first substrate strip 512 is vertically connected to the second substrate strip 513, for example Fig.17 In the embodiment, four first substrate strips 512 are arranged in parallel and are vertically connected to a second substrate strip 513. LED lamp beads 520 are arranged on each substrate strip in a matrix distribution.

[0076] Generally, the track light comprises a plurality of lamp bodies arranged at intervals, each lamp body being independently provided with a lamp holder 200 and connected to the guide rail 100. The shapes of the substrates 510 of the two lamp bodies are complementary, so that the same plate can be used to make two light-emitting components, which helps to simplify the process and reduce the cost. Fig.18 .

[0077] The track light provided in the present application can make its electrical connector 400 contact or disconnect with the conductive strip 110 through the rotational cooperation between the lamp body and the lamp holder to control whether the lamp body is lit. The operation is simple and convenient and can meet the application requirements of different scenarios.

[0078] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. When the technical features in different embodiments are embodied in the same figure, it can be regarded that the figure also discloses the combination examples of the various embodiments involved.

[0079] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. Track light, characterized in that, include: A guide rail provided with conductive strips arranged along its length; A lamp holder, slidingly engaged with the guide rail; The lamp body includes a lamp shell rotatably matched with the lamp holder and a light-emitting component arranged in the lamp shell. The lamp shell is provided with an electrical connector electrically connected to the light-emitting component and extending out of the lamp shell. During the rotation of the lamp body relative to the lamp holder, the lamp body has a power-on state in which the electrical connector contacts the conductive strip so that the light-emitting component can be connected to an external power supply, and a power-off state in which the electrical connector is detached from the conductive strip.

2. The track light according to claim 1, characterized in that: A through hole for accommodating the electrical connector is provided at the rotation center of the lamp housing, and two ends of the electrical connector extend out of the through hole.

3. The track light according to claim 2, characterized in that: The two end portions of the electrical connector are folded outwards to form connection terminals.

4. The track light according to claim 2, characterized in that: The lamp housing is provided with a hole column with the through hole, the peripheral side surface of the hole column is provided with a radially extending latch tongue, and the guide rail is provided with a first latch groove arranged along the length direction and matched with the latch tongue.

5. The track light according to claim 4, characterized in that: The electrical connectors are sheet-shaped metal springs arranged in pairs, and a tensioning member for fixing the electrical connectors is arranged in the through hole.

6. The track light according to claim 1, characterized in that: The lamp housing has a disc-shaped engaging piece, and the lamp holder has a limiting cavity rotatably matched with the engaging piece.

7. The track light according to claim 1, characterized in that: The guide rail is provided with a slide groove, the conductive strip is arranged on the inner side wall of the slide groove, and the lamp holder comprises a sliding part matched with the slide groove and a combining part rotatably matched with the lamp housing.

8. The track light according to claim 7, characterized in that: The lamp housing has a sinking groove, and the combining part is hidden in the sinking groove.

9. The track light according to claim 7, characterized in that: The electrical connector extends into the lamp holder. In the power-on state, a portion of the electrical connector is exposed from the sliding portion. In the power-off state, the electrical connector is hidden in the sliding portion.

10. The track light according to claim 1, characterized in that: The lamp housing comprises a base, a diffusion plate arranged opposite to the light-emitting component, and a decorative ring connecting the diffusion plate and the base.

11. The track light according to claim 10, characterized in that: The decorative ring has a horizontal folded edge, and the edge of the diffuser plate overlaps the folded edge.

12. The track light according to claim 11, characterized in that: The base has a circumferential side wall that is clamped with the decorative ring, and the folded edge has a first positioning groove that matches the circumferential side wall.

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