Three-contact narrow slot track lights

Abstract

The invention belongs to the technical field of lighting equipment, and particularly relates to a three-contact narrow slot track lamp, which comprises a sliding seat and a track. The sliding seat slides in the track. The sliding seat comprises a sliding shell, in which a driving circuit and a magnet are arranged. The driving circuit is provided with at least three conductive spring pins. The track comprises an aluminum profile, in which an iron sheet is arranged, on which a PCB board is arranged, and the positive and negative poles of the PCB board are arranged adjacently and alternately along the extension direction of the aluminum profile. A lamp is arranged on the top of the sliding seat, and the lamp is electrically connected to the driving circuit. The sliding seat cooperates with the magnet and the iron sheet to make the conductive spring pins contact with the positive and negative poles of the PCB board. The positive and negative poles of the PCB board in the track are arranged adjacently and alternately along the extension direction of the aluminum profile, so that the width of the track is effectively reduced, the volume of the track is small, and the appearance of the display cabinet is not affected. A variety of display cabinet design solutions are provided for display cabinet designers. The product has strong adaptability and is conducive to application in the display cabinet.

Description

Technical Field

[0001] The invention belongs to the technical field of lighting equipment, and in particular relates to a three-contact narrow-slot track light. Background Art

[0002] Track lights are generally used as a specific spotlight. They are generally used for commercial purposes, such as shopping malls (clothing stores, furniture stores and other brand stores), car shows, jewelry, star-rated hotels, brand clothing, high-end clubs, museums, chain stores, brand business halls, professional windows, counters and other key lighting places.

[0003] In particular, the display cabinet is the stage for displaying goods. Different products require different lighting. The internal volume of the display cabinet is limited, and the size of the lamps is high. For example, the volume of the lamp should be as small as possible, easy to replace and install, and the irradiation position can be adjusted at will to meet the lighting requirements of different products.

[0004] A Chinese patent discloses a track-type magnetic lighting fixture with a publication number of CN208886504U, which includes a track and a lamp. A slide and a connecting part for connecting to another track are provided in the track. An iron bar for adsorbing the lamp is embedded in the slide. Two PCB circuit boards for powering the lamp are fixed on the iron bar. The iron bar and the PCB circuit board extend along the length direction of the slide. The PCB circuit board is provided with two positive and negative contacts, and two positive contacts or negative contacts of the same polarity are distributed along the length direction of the PCB circuit board. Both ends of the PCB circuit board are provided with connecting holes for connecting two PCB circuit boards. The beneficial effects are: the track can accommodate the lamp to move freely in its length direction to adjust the lighting position without disassembly, which is very convenient to use; when using multiple lamps, multiple tracks are seamlessly connected, and there will be no shaking when using them, and multiple tracks are also beautiful when placed side by side. However, due to the use of two PCB circuit boards to power the lamp, the track width of the track light is too large to be used in a display cabinet.

[0005] Therefore, it is necessary to develop a compact track light for use in narrow display cabinets. Summary of the invention

[0006] The purpose of the present invention is to provide a three-contact narrow-slot track light, aiming to solve the technical problem in the prior art that the track width of the track light is too large to be used in a display cabinet.

[0007] To achieve the above object, the technical solution adopted by the present invention is: a three-contact narrow slot track light, which includes a sliding seat and a track, the sliding seat slides in the track, the sliding seat includes a sliding shell, a driving circuit and a magnet are arranged in the sliding shell, and the driving circuit is provided with at least three conductive spring pins;

[0008] The track comprises an aluminum profile, an iron sheet is arranged inside the aluminum profile, a PCB board is arranged on the iron sheet, and positive and negative electrodes of the PCB board are arranged adjacently and alternately along the extension direction of the aluminum profile;

[0009] A lamp is arranged on the top of the sliding seat, and the lamp is electrically connected to the driving circuit. The sliding seat cooperates with the magnet and the iron sheet so that the conductive spring pin contacts the positive and negative electrodes of the PCB board.

[0010] Furthermore, the conductive spring pin includes an elastic portion and a conductive portion, the elastic portion is wrapped around an outer side surface of the conductive portion, and the conductive portion is electrically connected to the driving circuit.

[0011] Furthermore, the aluminum profile includes a fixed portion and a sliding portion, the iron sheet and the PCB board are fixed to the fixed portion, and the sliding seat slides on the sliding portion.

[0012] Furthermore, the lamp includes a lamp head and an angle adjustment device, and the angle adjustment device is located at the rear of the lamp head.

[0013] Furthermore, the angle adjustment device includes an adjustment ring and a movable ball head rod, the adjustment ring is fixed to the tail of the lamp head, one end of the movable ball head rod is fixed to the top of the sliding seat, and the other end of the movable ball head rod is rotatably connected to the adjustment ring.

[0014] Furthermore, a boss is provided on the top of the sliding shell, and the boss is provided with a boss hole connected to the interior of the sliding shell, the movable ball head rod is fixed in the boss hole, and the movable ball head rod is provided with a ball head rod hole connected to the interior of the lamp head, and the wire passes through the boss hole and the ball head rod hole to electrically connect the lamp head with the driving circuit.

[0015] Furthermore, a drive circuit fixing cavity is provided in the middle of the sliding shell, magnet fixing cavities are provided at both ends of the sliding shell, the drive circuit is fixed in the drive circuit fixing cavity, and the magnet is fixed in the magnet fixing cavity; the boss hole is connected to the drive circuit fixing cavity.

[0016] Furthermore, a fixing groove is provided on the outer side of the aluminum profile.

[0017] Furthermore, the sliding housing is made of plastic.

[0018] Furthermore, the magnet is a neodymium iron boron magnet.

[0019] The beneficial effects of the present invention are as follows: the three-contact narrow-slot track light of the present invention is arranged in an adjacent and spaced staggered manner along the extension direction of the aluminum profile through the positive and negative electrodes of the PCB board in the track, which effectively reduces the width of the track, makes the track compact, does not affect the beauty of the display cabinet, provides display cabinet designers with a variety of display cabinet design solutions, and has strong product adaptability; at the same time, the driving circuit is provided with at least three conductive spring pins, ensuring that the conductive spring pins can contact the positive and negative electrodes of the PCB board when the sliding seat slides at any position in the track, so that the position of the sliding seat sliding in the track is flexible, which is conducive to application in the display cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment.

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment.

[0023] Figure 3 It is a schematic diagram of the explosion structure of the embodiment.

[0024] Figure 4 Schematic diagram of the conductive spring pin structure of the embodiment.

[0025] Among them, the reference numerals in the figure are:

[0026] 1~ sliding seat, 2~ track, 3~ lamp, 11~ sliding housing, 12~ driving circuit, 13~ magnet, 14~ conductive spring pin, 21~ aluminum profile, 22~ iron sheet, 23~ PCB board, 31~ lamp holder, 32~ angle adjustment device, 111~ boss, 112~ boss hole, 113~ driving circuit fixing cavity, 114~ magnet fixing cavity, 115~ fixing groove, 141~ elastic part, 142~ conductive part, 211~ fixing part, 212~ sliding part, 321~ adjustment ring, 322~ movable ball head rod, 323~ ball head rod hole. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1 and Figure 2 As shown, the present invention provides a three-contact narrow slot track light, which includes a sliding seat 1 and a track 2, wherein the sliding seat 1 slides in the track 2, and the sliding seat 1 includes a sliding housing 11, wherein a driving circuit 12 and a magnet 13 are arranged in the sliding housing 11, and the driving circuit 12 is provided with at least three conductive spring pins 14;

[0032] The track 2 includes an aluminum profile 21, an iron sheet 22 is arranged inside the aluminum profile 21, a PCB board 23 is arranged on the iron sheet 22, and the positive and negative electrodes of the PCB board 23 are arranged adjacently and alternately along the extension direction of the aluminum profile 21;

[0033] A lamp 3 is provided on the top of the sliding seat 1 , and the lamp 3 is electrically connected to the driving circuit 12 . The sliding seat 1 cooperates with the magnet 13 and the iron sheet 22 so that the conductive spring pin 14 contacts the positive and negative electrodes of the PCB board 23 .

[0034] Specifically, the sliding seat 1 includes a sliding housing 11, a driving circuit 12 and a magnet 13 are arranged in the sliding housing 11, and at least three conductive spring pins 14 are arranged through the driving circuit 12, so that when the conductive spring pins 14 contact the positive and negative electrodes of the PCB board 23, it is ensured that the conductive spring pins 14 can contact the positive and negative electrodes of the PCB board 23 when the sliding seat 1 slides at any position in the track 2, so that the sliding seat 1 can slide flexibly in the track 2.

[0035] The track 2 includes an aluminum profile 21, an iron sheet 22 is fixed inside the aluminum profile 21, a PCB board 23 is arranged on the iron sheet 22, and the positive and negative electrodes of the PCB board 23 are arranged adjacently and alternately along the extension direction of the aluminum profile 21, which effectively reduces the width of the track 2, facilitates the application of track lights in narrow display cabinets without affecting the beauty of the display cabinets, and provides display cabinet designers with a variety of display cabinet design solutions;

[0036] A lamp 3 is provided on the top of the sliding seat 1, and the lamp 3 is electrically connected to the driving circuit 12. The sliding seat 1 uses the property of the magnet 13 to attract the iron sheet 22, so that the conductive spring pin 14 contacts the positive and negative electrodes of the PCB board 23. The PCB board 23 continuously supplies power to the driving circuit 12, so that the lamp 3 is turned on to achieve the purpose of lighting, thereby providing lighting for different products in the display cabinet;

[0037] The present invention effectively reduces the width of the track 2 by staggering the positive and negative electrodes of the PCB board 23 in the track 2 at adjacent intervals along the extension direction of the aluminum profile 21, making the track 2 compact without affecting the aesthetics of the display cabinet, providing display cabinet designers with a variety of display cabinet design solutions, and having strong product adaptability; at the same time, the drive circuit 12 is provided with at least three conductive spring pins 14, ensuring that the conductive spring pins 14 can contact the positive and negative electrodes of the PCB board 23 when the sliding seat 1 slides at any position in the track 2, so that the sliding seat 1 can slide flexibly in the track 2, which is conducive to application in the display cabinet.

[0038] See also Figure 2 and Figure 4 As shown, in this embodiment, the conductive spring pin 14 includes an elastic portion 141 and a conductive portion 142 , the elastic portion 141 is wrapped around the outer side of the conductive portion 142 , and the conductive portion 142 is electrically connected to the driving circuit 12 .

[0039] Specifically, the elastic part 141 is wrapped around the outer side of the conductive part 142, and the elasticity of the elastic part 141 is used to provide elastic force for the conductive part 142, so that the sliding seat 1 slides in the track 2. The conductive spring pin 14 is elastic and can maintain contact with the positive and negative electrodes of the PCB board 23 when the sliding seat 1 slides.

[0040] The conductive portion 142 is electrically connected to the driving circuit 12 , so that the conductive portion 142 supplies power to the driving circuit 12 when in contact with the positive and negative electrodes of the PCB board 23 .

[0041] Preferably, the elastic portion 141 is made of rubber, so that the elastic portion 141 is elastic.

[0042] See also Figure 1 and Figure 2 As shown, in this embodiment, the aluminum profile 21 includes a fixed portion 211 and a sliding portion 212 , the iron sheet 22 and the PCB board 23 are fixed to the fixed portion 211 , and the sliding seat 1 slides on the sliding portion 212 .

[0043] Specifically, the iron sheet 22 and the PCB board 23 are fixed to the fixing portion 211 by being clamped and fixed thereto, thereby fixing the iron sheet 22 and the PCB board 23 .

[0044] The sliding seat 1 slides on the sliding portion 212 , so that the sliding seat 1 slides in the track 2 .

[0045] See also Figure 2 As shown, in this embodiment, the lamp 3 includes a lamp head 31 and an angle adjustment device 32 , and the angle adjustment device 32 is located at the rear of the lamp head 31 .

[0046] Specifically, the angle adjustment device 32 is located at the tail of the lamp head 31. By adjusting the angle adjustment device 32, the irradiation angle of the lamp head 31 can be changed, so that the irradiation angle of the lamp head 31 is flexible and changeable to meet different needs. At the same time, it is also very convenient to replace different lamp heads 31 if necessary.

[0047] See also Figure 2 As shown, in this embodiment, the angle adjustment device 32 includes an adjustment ring 321 and a movable ball head rod 322, the adjustment ring 321 is fixed to the tail of the lamp head 31, one end of the movable ball head rod 322 is fixed to the top of the sliding seat 1, and the other end of the movable ball head rod 322 is rotatably connected to the adjustment ring 321.

[0048] Specifically, the adjusting ring 321 is fixed to the tail of the lamp head 31, one end of the movable ball head rod 322 is fixed to the top of the sliding seat 1, and the other end of the movable ball head rod 322 is rotatably connected to the adjusting ring 321, so that the lamp 3 is fixed to the top of the sliding seat 1. At the same time, the adjusting ring 321 at the tail of the lamp head 31 is adjusted to rotate along the movable ball head rod 322, so that the direction of the lamp head 31 can be adjusted, so that the lamp head 31 can be flexibly turned.

[0049] See also Figure 2 and Figure 3 As shown, in this embodiment, a boss 111 is provided on the top of the sliding shell 11, and the boss 111 is provided with a boss hole 112 connected to the interior of the sliding shell 11, and the movable ball head rod 322 is fixed in the boss hole 112, and the movable ball head rod 322 is provided with a ball head rod hole 323 connected to the interior of the lamp head 31, and the wire passes through the boss hole 112 and the ball head rod hole 323 to electrically connect the lamp head 31 with the driving circuit 12.

[0050] Specifically, a boss 111 is provided on the top of the sliding housing 11, and the boss 111 is provided with a boss hole 112 communicating with the interior of the sliding housing 11, and the movable ball head rod 322 is fixed in the boss hole 112, so that the lower part of the movable ball head rod 322 is fixed to the top of the sliding housing 11;

[0051] The movable ball head rod 322 is provided with a ball head rod hole 323 connected to the inside of the lamp head 31. The wire passes through the boss hole 112 and the ball head rod hole 323 to electrically connect the lamp head 31 with the driving circuit 12, so that the wire is not exposed, making the appearance of the track light neat and beautiful, and at the same time effectively protecting the wire to avoid the risk of electric shock due to leakage.

[0052] See also Figure 2 As shown, in this embodiment, a drive circuit fixing cavity 113 is provided in the middle of the sliding shell 11, and magnet fixing cavities 114 are provided at both ends of the sliding shell 11. The drive circuit 12 is fixed to the drive circuit fixing cavity 113, and the magnet 13 is fixed to the magnet fixing cavity 114; the boss hole 112 is connected to the drive circuit fixing cavity 113.

[0053] Specifically, a drive circuit fixing cavity 113 is provided in the middle of the sliding shell 11, and magnet fixing cavities 114 are provided at both ends of the sliding shell 11, so that the drive circuit 12 is fixed to the drive circuit fixing cavity 113, and the magnet 13 is fixed to the magnet fixing cavity 114. The modular design effectively improves the assembly efficiency.

[0054] The boss hole 112 is in communication with the drive circuit fixing cavity 113 , so that a wire can pass through the boss hole 112 and the ball rod hole 323 to electrically connect the lamp holder 31 with the drive circuit 12 .

[0055] See also Figure 1 As shown, in this embodiment, a fixing groove 115 is provided on the outer side of the aluminum profile 21 .

[0056] Specifically, the track 2 can be conveniently fixed through the fixing groove 115, thereby improving installation efficiency.

[0057] In this embodiment, the sliding housing 11 is made of plastic.

[0058] Specifically, the sliding housing 11 is made of plastic, which effectively prevents the risk of electric leakage.

[0059] Preferably, the plastic is bakelite, the chemical name of bakelite is phenolic plastic, which has high mechanical strength, good insulation, heat resistance and corrosion resistance.

[0060] In this embodiment, the magnet 13 is a neodymium iron boron magnet.

[0061] Specifically, the magnet 13 is a neodymium iron boron magnet. Compared with ferrite magnets, aluminum nickel cobalt, and samarium cobalt, the magnetic properties of neodymium iron boron magnets greatly exceed those of other magnets. Neodymium iron boron magnets can absorb 640 times their own weight, so neodymium iron boron is often called a strong magnet by people outside the industry, which effectively ensures the stability of the cooperation between the magnet 13 and the iron sheet 22, so that the sliding seat 1 slides in the track 2 and is not easy to fall off.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-contact narrow slot track light, comprising a sliding seat (1) and a track (2), wherein the sliding seat (1) slides in the track (2), characterized in that: The sliding seat (1) comprises a sliding housing (11), a driving circuit (12) and a magnet (13) are arranged in the sliding housing (11), and the driving circuit (12) is provided with at least three conductive spring pins (14); The track (2) comprises an aluminum profile (21), an iron sheet (22) is arranged inside the aluminum profile (21), a PCB board (23) is arranged on the iron sheet (22), and positive and negative electrodes of the PCB board (23) are arranged adjacently and alternately along the extension direction of the aluminum profile (21); A lamp (3) is provided on the top of the sliding seat (1), and the lamp (3) is electrically connected to the driving circuit (12). The sliding seat (1) cooperates with the magnet (13) and the iron sheet (22) so that the conductive spring pin (14) contacts the positive and negative electrodes of the PCB board (23); The conductive elastic needle (14) comprises an elastic portion (141) and a conductive portion (142), the elastic portion (141) is wrapped around the outer side surface of the conductive portion (142), and the conductive portion (142) is electrically connected to the driving circuit (12); The aluminum profile (21) comprises a fixed portion (211) and a sliding portion (212); the iron sheet (22) and the PCB board (23) are fixed to the fixed portion (211); and the sliding seat (1) slides on the sliding portion (212); The lamp (3) comprises a lamp head (31) and an angle adjustment device (32), wherein the angle adjustment device (32) is located at the rear of the lamp head (31); The angle adjustment device (32) comprises an adjustment ring (321) and a movable ball head rod (322); the adjustment ring (321) is fixed to the rear of the lamp head (31); one end of the movable ball head rod (322) is fixed to the top of the sliding seat (1); and the other end of the movable ball head rod (322) is rotatably connected to the adjustment ring (321).

2. The three-contact narrow slot track light according to claim 1, characterized in that: A boss (111) is provided on the top of the sliding shell (11), and the boss (111) is provided with a boss hole (112) connected to the interior of the sliding shell (11), and the movable ball head rod (322) is fixed in the boss hole (112), and the movable ball head rod (322) is provided with a ball head rod hole (323) connected to the interior of the lamp holder (31), and a wire passes through the boss hole (112) and the ball head rod hole (323) to electrically connect the lamp holder (31) to the driving circuit (12).

3. The three-contact narrow slot track light according to claim 2, characterized in that: A drive circuit fixing cavity (113) is provided in the middle of the sliding housing (11), magnet fixing cavities (114) are provided at both ends of the sliding housing (11), the drive circuit (12) is fixed in the drive circuit fixing cavity (113), and the magnet (13) is fixed in the magnet fixing cavity (114); the boss hole (112) is in communication with the drive circuit fixing cavity (113).

4. The three-contact narrow slot track light according to claim 1, characterized in that: A fixing groove (115) is provided on the outer side of the aluminum profile (21).

5. The three-contact narrow slot track light according to claim 1, characterized in that: The sliding housing (11) is made of plastic.

6. The three-contact narrow slot track light according to claim 1, characterized in that: The magnet (13) is a neodymium iron boron magnet.

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