Railway lamp power box and lamp

Abstract

The application relates to the technical field of lamps, and discloses a track lamp power supply box and a lamp, which comprise a power supply box shell. The lantern ring and the swing arm are linked and are self-adaptively matched with the wire. When the track socket is rotated, the lantern ring vertically slides along the through slot of the vertical plate, the length of the wire originally wound in a U shape in the lantern ring is automatically adjusted, when the track socket is raised upward, the U-shaped bottom of the wire is stretched by the upward movement of the lantern ring, and the bending curvature of the wire is reduced; when the track socket is inclined downward, the U-shaped structure of the wire is restored by the downward movement of the lantern ring, and the length of the wire is shortened. The mechanism of automatically adjusting the stretching state of the wire according to the change of the angle completely changes the bending problem caused by the fixed connection of the wire in the traditional track lamp, the wire always keeps a natural and relaxed state, the bending stress is evenly dispersed in the sliding process of the lantern ring, the problem of wire aging and breaking caused by frequent bending is fundamentally avoided, and the service life of the lamp is significantly prolonged.

Description

Technical Field

[0001] This invention belongs to the field of lighting technology, specifically, it relates to a track lighting power supply box and a lighting fixture. Background Technology

[0002] In existing track lighting technology, the angle adjustment function of the track power strip and the light fixture itself is an important design feature to meet diverse lighting needs. In commercial display scenarios, such as shopping mall windows and brand stores, adjusting the angle of the track lights can precisely project light onto key parts of the merchandise, highlighting texture and details and attracting customers' attention. In cultural venues such as museums and art galleries, flexibly adjusting the light angle can better highlight the outline and color of exhibits and create a suitable viewing atmosphere. In home environments, the angle adjustment of track lights can meet the lighting needs of different scenarios such as reading and gatherings, providing users with a personalized lighting experience.

[0003] However, traditional track lighting fixtures have obvious defects. During angle adjustment, the wires between the fixture and the power box are usually fixed. When the track switch rotates, the wires will be repeatedly broken at the fixed connection point. After long-term use, the insulation layer is prone to cracking and the internal copper wires are broken. This not only affects the normal use of the fixture, but also poses safety hazards, shortens the lifespan of the fixture, and increases maintenance costs.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] To address the technical problem that during angle adjustment, the wires between the lamp and the power box are typically connected in a fixed manner. When the rail connector rotates, the wires repeatedly break at the fixed connection points, easily leading to insulation cracks and internal copper wire breakage after prolonged use. This not only affects the normal operation of the lamp but also poses safety hazards, shortens the lamp's lifespan, and increases maintenance costs. The basic concept of the technical solution adopted in this invention is as follows:

[0006] A power supply box for track lighting includes a power supply box housing.

[0007] The power box housing is rotatably mounted with a rail plug for adjusting the angle. A wire is connected to the lead interface on the back of the rail plug, and the wire passes through the power box housing.

[0008] The power box housing has a vertically sliding collar installed inside. The wire moves through the collar. A connecting block is installed on the collar. A connecting plate is installed on the connecting block. A swing arm is rotatably installed between the connecting plate and the back of the track plug. When the track plug is adjusted in angle, the swing arm drives the collar to move, so that the length of the wire is automatically adjusted adaptively.

[0009] A rocker arm is mounted on the rotation center of the track socket, a power storage cover is mounted on the rocker arm, a locking rod is inserted into the power storage cover, and a return spring is engaged between the locking rod and the power storage cover. The locking rod corresponds to several pairs of locking holes opened on the side wall of the power box housing, and the locking rod is used to position the angle of the track socket.

[0010] In a preferred embodiment of the present invention, a base is installed at the bottom of the power box shell, and mounting plates are symmetrically arranged at both ends of the power box shell. The mounting plates are integrally cast with the power box shell. The mounting plates are provided with countersunk grooves, and two vertical strip grooves are provided on the countersunk grooves. The strip grooves are provided with circular holes, which facilitates later connection by bolts.

[0011] In a preferred embodiment of the present invention, positioning shafts are installed at both ends of the track socket, the positioning shafts movably penetrate the side wall of the power box housing, a positioning seat is installed on the side wall of the power box housing, the positioning seat is rotatably connected to the positioning shaft, an arc-shaped surface is opened at the top of the track socket, the arc-shaped surface is tightly fitted with the side wall of the arc-shaped inner cavity opened inside the power box housing, and a handle is installed on the surface of the track socket.

[0012] In a preferred embodiment of the present invention, a sliding groove is provided on the track socket, a sliding plate is installed on the bottom of the power box housing, the sliding plate is slidably disposed in the sliding groove, a sliding rod is installed on the sliding groove, both the sliding rod and the sliding groove are arc-shaped, the sliding rod moves through the sliding plate, a compression spring is sleeved on the sliding rod, one end of the compression spring is engaged with the sliding groove, and the other end of the compression spring is engaged with the side wall of the sliding plate.

[0013] In a preferred embodiment of the present invention, the inner sidewall of the collar is chamfered to prevent the collar from rubbing against the wire and causing damage to the wire. A vertical plate is installed inside the power box housing, and a through groove is provided on the vertical plate. The connecting block is slidably disposed on the through groove. A limit rod is vertically installed on the through groove. A limit spring is sleeved on the sidewall of the limit rod. The top of the limit spring is engaged with the bottom of the through groove, and the bottom of the limit spring is engaged with the connecting block.

[0014] In a preferred embodiment of the present invention, side plates are installed at both ends of the connecting plate, the side plates are vertically slidably connected to the side wall of the upright plate, a fixed seat is installed on the connecting plate, the fixed seat is rotatably connected to one end of the swing arm, and a synchronous shaft is installed at the rotation center of the other end of the swing arm, with both ends of the synchronous shaft installed in the mounting grooves opened on the back of the track plug.

[0015] In a preferred embodiment of the present invention, an L-shaped bracket is installed on the side wall of the power storage chamber, the end of the L-shaped bracket is connected to the rocker arm, a baffle is slidably arranged inside the power storage chamber, one end of the baffle is connected to the locking rod, and a return spring is engaged between the other end of the baffle and the inner wall of the power storage chamber, the compression direction of the return spring and the movement direction of the locking rod are both on the same straight line.

[0016] In a preferred embodiment of the present invention, the locking lever extends through the rocker arm, and several pairs of locking holes are arc-shaped, with the center of curvature of the arc formed by the several pairs of locking holes being the same as the rotation center of the track plug.

[0017] In a preferred embodiment of the present invention, a top plate is installed on the side wall of the latch, and a push rod is horizontally and movably installed through the side wall of the power box housing. A push plate is installed at the end of the push rod located inside the power box housing. The push plate is arc-shaped, and the side wall of the push plate is tightly fitted with the side wall of the top plate. Pressing the push rod drives the push plate to move, thereby driving the latch with the top plate to move and the latch hole to separate.

[0018] As a preferred embodiment of the present invention, a lamp includes the track lamp power box described above, characterized in that a plurality of pairs of track sockets are slidably arranged on the track power strip, and a lamp body is inserted into each track socket; the circuits inside the track power strip, the track sockets and the lamp body are interconnected.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] This invention utilizes a linkage design between the collar and the swing arm, with adaptive adaptation to the conductor. As the track insert rotates, the collar slides vertically along the slot in the upright plate, automatically adjusting the length of the conductor, which is originally wrapped in a U-shape, within the collar. When the track insert tilts upward, the collar moves upward, stretching the bottom of the U-shape of the conductor and reducing its curvature. When the track insert tilts downward, the collar moves downward, restoring the U-shape of the conductor and shortening its length. This mechanism of automatically adjusting the conductor's extension state according to angle changes completely changes the bending problem caused by fixed conductor connections in traditional track lighting fixtures. This invention, through mechanical linkage, keeps the conductor in a naturally extended state, and the bending stress is evenly distributed during the sliding process of the collar, fundamentally avoiding the problem of conductor aging and breakage due to frequent bending, and significantly extending the service life of the lighting fixture.

[0021] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0022] In the attached diagram:

[0023] Figure 1 A three-dimensional drawing of a track lighting power supply box and a lighting fixture;

[0024] Figure 2 A front view of a track lighting power supply box and a lighting fixture;

[0025] Figure 3 A rear view of a track lighting power supply box and a lighting fixture;

[0026] Figure 4 A side view of a track lighting power supply box and a lighting fixture;

[0027] Figure 5 A power supply box and a light fixture for track lighting. Figure 4 Enlarged view of point A in the middle;

[0028] Figure 6 This is a diagram showing the internal structure of a power supply box for a track lighting fixture and the power supply box housing near the wires of the lighting fixture.

[0029] Figure 7 This is a partial structure of a track lighting power supply box and a lighting fixture. Figure 1 ;

[0030] Figure 8 A power supply box and a light fixture for track lighting. Figure 7 Enlarged view at point B in the middle;

[0031] Figure 9 This is a diagram showing the internal structure of a power supply box for a track lighting fixture, located away from the wires.

[0032] Figure 10 This is a partial structure of a track lighting power supply box and a lighting fixture. Figure 2 ;

[0033] Figure 11 This is a partial structure of a track lighting power supply box and a lighting fixture. Figure 3 .

[0034] In the picture:

[0035] 1. Power supply box housing; 11. Base; 12. Mounting plate; 121. Countersunk groove; 122. Strip groove; 123. Circular hole; 13. Rail socket; 131. Positioning shaft; 132. Positioning seat; 133. Handle; 14. Arc-shaped inner cavity; 141. Arc-shaped surface; 15. Wire; 16. Slide plate; 161. Slide groove; 162. Slide rod; 163. Compression spring;

[0036] 2. Collar; 21. Connecting block; 211. Chamfer; 22. Vertical plate; 221. Through groove; 222. Limiting rod; 223. Limiting spring; 23. Connecting plate; 231. Side plate; 232. Fixing seat; 24. Swing arm; 241. Synchronous shaft; 242. Mounting groove;

[0037] 3. Power storage cover; 31. L-shaped bracket; 311. Rocker arm; 32. Locking rod; 321. Locking hole; 322. Baffle; 323. Return spring; 33. Push plate; 331. Push rod; 332. Top plate;

[0038] 4. Light fixture body; 41. Track socket. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention.

[0040] Example 1:

[0041] like Figures 1 to 11 As shown, a track lighting power supply box includes a power supply box housing 1.

[0042] A rail socket 13 for adjusting the angle is rotatably mounted on the power box housing 1. A wire 15 is connected to the lead interface on the back of the rail socket 13 and passes through the power box housing 1.

[0043] Inside the power box housing 1, there is a vertically sliding collar 2. The wire 15 moves through the collar 2. A connecting block 21 is installed on the collar 2, and a connecting plate 23 is installed on the connecting block 21. A swing arm 24 is rotatably installed between the connecting plate 23 and the back of the track plug 13. When the track plug 13 is adjusted in angle, the collar 2 is moved by the swing arm 24, so that the length of the wire 15 is automatically adjusted to adapt to the angle adjustment, avoiding damage to the wire due to excessive bending, and extending the service life of the wire.

[0044] A rocker arm 311 is mounted at the rotation center of the track power strip 13. A power storage cover 3 is mounted on the rocker arm 311. A locking rod 32 is inserted into the power storage cover 3, and a return spring 323 is engaged between the locking rod 32 and the power storage cover 3. The locking rod 32 corresponds to several pairs of locking holes 321 on the side wall of the power box housing 1, and the locking rod 32 is used to position the angle of the track power strip 13. Through the cooperation of the locking rod 32 and the locking holes 321, the track power strip 13 can be stably fixed at different angles to meet different lighting needs and improve the flexibility of the lamp use.

[0045] like Figures 1 to 11As shown in the specific embodiment, a base 11 is installed at the bottom of the power supply box housing 1, and mounting plates 12 are symmetrically arranged at both ends of the power supply box housing 1. The mounting plates 12 are integrally cast with the power supply box housing 1. The mounting plates 12 have countersunk grooves 121, and two vertical strip grooves 122 are formed on the countersunk grooves 121. Circular holes 123 are formed on the strip grooves 122, which facilitates later connection with bolts. The integrally cast mounting plate 12 and the power supply box housing 1 have a more stable structure. The countersunk grooves 121, strip grooves 122 and circular holes 123 facilitate bolt fixing during installation. At the same time, the strip grooves 122 can accommodate certain installation position deviations, improving the convenience of installation.

[0046] like Figures 1 to 11 As shown, furthermore, positioning shafts 131 are installed at both ends of the track socket 13. The positioning shafts 131 movably pass through the side wall of the power box housing 1. A positioning seat 132 is installed on the side wall of the power box housing 1. The positioning seat 132 is rotatably connected to the positioning shaft 131. An arc-shaped surface 141 is opened on the top of the track socket 13. The arc-shaped surface 141 is tightly fitted with the side wall of the arc-shaped inner cavity 14 opened inside the power box housing 1. A handle 133 is installed on the surface of the track socket 13. The rotatable connection between the positioning shaft 131 and the positioning seat 132 makes the track socket 13 rotate more smoothly. The tight fit between the arc-shaped surface 141 and the arc-shaped inner cavity 14 can improve the stability of the track socket 13 during rotation and reduce shaking. The handle 133 makes it convenient for users to operate the track socket 13 for angle adjustment.

[0047] like Figures 1 to 11 As shown, the track power strip 13 is further provided with a sliding groove 161, and a sliding plate 16 is installed at the bottom of the power box housing 1. The sliding plate 16 is slidably disposed in the sliding groove 161, and a sliding rod 162 is installed on the sliding groove 161. Both the sliding rod 162 and the sliding groove 161 are arc-shaped, and the sliding rod 162 moves through the sliding plate 16. A compression spring 163 is sleeved on the sliding rod 162. One end of the compression spring 163 is engaged with the sliding groove 161, and the other end of the compression spring 163 is engaged with the side wall of the sliding plate 16. The sliding of the sliding plate 16 in the sliding groove 161, in conjunction with the compression spring 163, provides elastic support when the track power strip 13 rotates, further enhancing the stability of the track power strip 13 during rotation and reducing angular deviation caused by vibration and other factors.

[0048] Example 2:

[0049] The difference between the above embodiments and this embodiment is that: Figures 1 to 11As shown, a chamfer 211 is provided on the inner wall of the collar 2. The chamfer 211 is used to prevent the collar 2 from rubbing against the wire 15 and causing damage to the wire 15. A vertical plate 22 is installed inside the power box housing 1. A through groove 221 is provided on the plate 22. The connecting block 21 is slidably disposed on the through groove 221. A limit rod 222 is vertically installed on the through groove 221. A limit spring 223 is sleeved on the side wall of the limit rod 222. The top of the limit spring 223 is engaged with the bottom of the through groove 221, and the bottom of the limit spring 223 is engaged with the connecting block 21. The chamfer 211 can effectively reduce the friction between the collar 2 and the wire 15, protecting the wire 15 from damage. The cooperation of the limit rod 222 and the limit spring 223 can limit and buffer the sliding of the connecting block 21, making the movement of the collar 2 more stable, and thus better adapting to the adjustment of the wire 15 length.

[0050] like Figures 1 to 11 As shown, in a specific embodiment, side plates 231 are installed at both ends of the connecting plate 23. The side plates 231 are vertically slidably connected to the side wall of the upright plate 22. A fixed seat 232 is installed on the connecting plate 23. The fixed seat 232 is rotatably connected to one end of the swing arm 24. A synchronous shaft 241 is installed at the rotation center of the other end of the swing arm 24. Both ends of the synchronous shaft 241 are installed in the mounting grooves 242 opened on the back of the track plug 13. The vertical sliding connection between the side plates 231 and the upright plate 22 can ensure the stability of the movement of the connecting plate 23. The rotatable connection between the fixed seat 232 and the swing arm 24, as well as the cooperation between the synchronous shaft 241 and the mounting grooves 242, can accurately transmit the angle adjustment action of the track plug 13 to the collar 2, realizing the automatic adjustment of the length of the conductor 15.

[0051] Example 3:

[0052] The difference between the above embodiments and this embodiment is that: Figures 1 to 11 As shown, an L-shaped bracket 31 is installed on the side wall of the energy storage housing 3. The end of the L-shaped bracket 31 is connected to the rocker arm 311. A baffle 322 is slidably installed inside the energy storage housing 3. One end of the baffle 322 is connected to the locking rod 32, and a return spring 323 is engaged between the other end of the baffle 322 and the inner wall of the energy storage housing 3. The compression direction of the return spring 323 and the movement direction of the locking rod 32 are both on the same straight line. The L-shaped bracket 31 can stably install the energy storage housing 3 on the rocker arm 311, ensuring the stability of the engagement between the locking rod 32 and the locking hole 321. The fact that the movement direction of the return spring 323 and the locking rod 32 are on the same straight line makes the reset action of the locking rod 32 smoother and more accurate, ensuring the positioning effect after the angle adjustment of the track plug 13.

[0053] like Figures 1 to 11As shown, in a specific embodiment, the locking lever 32 movably passes through the rocker arm 311, and several pairs of locking holes 321 are arc-shaped. The center of curvature of the arc formed by the several pairs of locking holes 321 is the same as the rotation center of the track plug 13. A top plate 332 is installed on the side wall of the locking lever 32. A push rod 331 is horizontally and movably installed through the side wall of the power box housing 1. A push plate 33 is installed at the end of the push rod 331 located inside the power box housing 1. The push plate 33 is arc-shaped, and the side wall of the push plate 33 is tightly attached to the side wall of the top plate 332. Pressing the push rod 331 causes the push plate 33 to move, thereby causing the locking lever 32 with the top plate 332 installed to move and the locking holes 321 to separate. The locking hole 321 is arc-shaped and its center of curvature is the same as the rotation center of the track plug 13, which allows the locking rod 32 to be accurately inserted into the corresponding locking hole 321 when the track plug 13 is rotated to any target angle, thus achieving stable positioning. The setting of the push rod 331, push plate 33, and top plate 332 makes the unlocking operation more convenient. The user only needs to press the push rod 331 to easily release the locking rod 32 and the locking hole 321, which facilitates angle adjustment.

[0054] like Figure 1 , Figure 2 and Figure 3 As shown, this invention also discloses a lighting fixture, including the aforementioned track lighting power box. A plurality of pairs of track sockets 41 are slidably disposed on the track power strip 13, and a lighting fixture body 4 is inserted into each track socket 41. The circuits inside the track power strip 13, the track sockets 41, and the lighting fixture body 4 are interconnected. The track sockets 41 can slide on the track power strip 13, allowing users to easily adjust the position of the lighting fixture body 4 according to actual needs. The arrangement of multiple pairs of track sockets 41 can meet the installation requirements of multiple lighting fixture bodies 4, making the arrangement of the lighting fixture more flexible and adaptable to different lighting scenarios.

[0055] The implementation principle of the track lighting power supply box and lighting fixture of the present invention is as follows:

[0056] When it is necessary to adjust the tilt angle of the lamp body 4, the operator only needs to adjust the angle of the track plug. First, the operator presses the push rod 331 that extends horizontally from the side wall of the power box housing with their finger. As the push rod 331 moves into the power box housing 1, the push rod 331 drives the push plate 33 to move. The push plate 33 pushes the top plate 332, causing the locking rod 32 to overcome the elastic force of the reset spring 323 and slide into the energy storage cover 3. The wedge-shaped head at the front end of the locking rod 32 gradually disengages from the locking hole 321 on the side wall of the housing, completing the unlocking action. During the above process, the reset spring 323 becomes compressed. The compressed state of the reset spring 323 facilitates the subsequent reset operation.

[0057] After unlocking, hold the handle 133 on the surface of the track plug 13 to make the track plug 13 rotate around the positioning shaft 131 as the rotation center. The two ends of the positioning shaft 131 pass through the side wall of the outer shell and form a bearing connection with the positioning seat 132 to ensure smooth rotation.

[0058] During the rotation of the track power strip 13, the arc-shaped surface 141 at the top of the track power strip 13 slides within the arc-shaped inner cavity 14 inside the outer casing. Simultaneously, the slide plate 16 at the bottom moves along an arc trajectory within the slide groove 161. The slide rod 162 passes through the slide plate 16 and compresses the compression springs 163 on both sides, maintaining the stability of the power strip during rotation through elastic force. Since several pairs of track sockets 41 are slidably arranged on the track power strip 13, and each track socket 41 is plugged into the lamp body 4, and the internal circuits of the three are connected, the angle change of the track power strip 13 will directly drive the lamp body 4 to rotate synchronously, realizing the adjustment of the pitch angle.

[0059] During rotation, the synchronous shaft 241 in the mounting groove 242 on the back of the track plug 13 will drive the swing arm 24 to move. The other end of the swing arm 24 is hinged to the fixed seat 232 mounted on the connecting plate 23, which can drive the side plates 231 at both ends of the connecting plate 23 to slide along the vertical guide rail on the side wall of the upright plate 22.

[0060] Furthermore, the connecting block 21 on the connecting plate 23 moves up and down within the through groove 221 of the upright plate 22. The limiting rod 222 within the through groove 221 passes through the connecting block 21 and compresses the limiting spring 223, forming an elastic buffer. The collar 2 at the top of the connecting block 21 moves synchronously, and the wire 15, which was originally wrapped in a U-shape, passes through the chamfered structure 211 on the inner side of the collar 2. When the collar 2 moves upward, the depth of the U-shaped wire 15 becomes shallower, the length of the wire 15 inside the collar 2 increases, and its curved part gradually stretches out, so that the overall wire harness length adapts to the change of the plug-in rotation angle, avoiding damage to the wire due to excessive bending.

[0061] When the track plug 13 rotates to the target angle, release the finger pressing the push rod 331. The return spring 323 inside the energy storage cover 3 returns to its original deformation, pushing the baffle 322 and causing the locking rod 32 to move towards the side wall of the outer shell. Since the locking holes 321 are arranged in an arc shape and the center of curvature coincides with the rotation center of the plug, the front end of the locking rod 32 will be precisely inserted into the corresponding locking hole 321. The wedge-shaped mating surface of the locking rod 32 and the locking hole 321 generates a self-locking force, which stably fixes the track plug 13 at the adjusted angle. At the same time, the compression springs 163 on both sides of the slide plate 16 also assist in positioning through elastic force, ensuring that the plug will not shift in angle due to vibration or other factors during use.

Claims

1. A power supply box for track lighting, comprising a power supply box housing (1), characterized in that: The power box housing (1) is rotatably mounted with a rail plug (13) for adjusting the angle. A wire (15) is connected to the lead interface on the back of the rail plug (13). The wire (15) passes through the power box housing (1). The power box housing (1) has a vertically sliding collar (2) installed inside. The wire (15) moves through the collar (2). A connecting block (21) is installed on the collar (2). A connecting plate (23) is installed on the connecting block (21). A swing arm (24) is rotatably installed between the connecting plate (23) and the back of the track plug (13). When the track plug (13) is adjusted in angle, the collar (2) is moved by the swing arm (24), so that the length of the wire (15) is automatically adjusted adaptively. The inner wall of the collar (2) is chamfered (211) to prevent the collar (2) from rubbing against the wire (15) and causing damage to the wire (15). A vertical plate (22) is installed inside the power box housing (1). A through groove (221) is provided on the vertical plate (22). The connecting block (21) is slidably disposed on the through groove (221). A limit rod (222) is vertically installed in the through groove (221). A limit spring (223) is sleeved on the side wall of the limit rod (222). The top of the limit spring (223) is locked. The bottom of the through slot (221) is connected, and the bottom of the limiting spring (223) is snapped onto the connecting block (21). The two ends of the connecting plate (23) are equipped with side plates (231). The side plates (231) are vertically slidably connected to the side wall of the upright plate (22). The connecting plate (23) is equipped with a fixed seat (232). The fixed seat (232) is rotatably connected to one end of the swing arm (24). The other end of the swing arm (24) is equipped with a synchronous shaft (241) at the rotation center. The two ends of the synchronous shaft (241) are installed in the mounting slots (242) opened on the back of the track plug (13). The track plug (13) is equipped with a rocker arm (311) at its rotation center. A power storage cover (3) is installed on the rocker arm (311). A locking rod (32) is inserted into the power storage cover (3). A return spring (323) is engaged between the locking rod (32) and the power storage cover (3). The locking rod (32) corresponds to several pairs of locking holes (321) on the side wall of the power box housing (1). The locking rod (32) is used to position the angle of the track plug (13).

2. The track lighting power supply box according to claim 1, characterized in that, The power box housing (1) has a base (11) installed at the bottom. The power box housing (1) has mounting plates (12) symmetrically arranged at both ends. The mounting plates (12) are integrally cast with the power box housing (1). The mounting plates (12) have countersunk grooves (121) and two vertical strip grooves (122) on the countersunk grooves (121). The strip grooves (122) have circular holes (123) on them. The circular holes (123) facilitate later connection by bolts.

3. A track lighting power supply box according to claim 1, characterized in that, The track plug (13) is equipped with positioning shafts (131) at both ends. The positioning shafts (131) movably pass through the side wall of the power box housing (1). The side wall of the power box housing (1) is equipped with a positioning seat (132). The positioning seat (132) is rotatably connected to the positioning shaft (131). The top of the track plug (13) is provided with an arc-shaped surface (141). The arc-shaped surface (141) is closely fitted with the side wall of the arc-shaped inner cavity (14) opened inside the power box housing (1). The surface of the track plug (13) is equipped with a handle (133).

4. A track lighting power supply box according to claim 1, characterized in that, The track plug (13) has a sliding groove (161), and a sliding plate (16) is installed at the bottom of the power box housing (1). The sliding plate (16) is slidably disposed in the sliding groove (161). A sliding rod (162) is installed on the sliding groove (161). Both the sliding rod (162) and the sliding groove (161) are arc-shaped. The sliding rod (162) moves through the sliding plate (16). A compression spring (163) is sleeved on the sliding rod (162). One end of the compression spring (163) is engaged in the sliding groove (161), and the other end of the compression spring (163) is engaged in the side wall of the sliding plate (16).

5. A track lighting power supply box according to claim 1, characterized in that, An L-shaped bracket (31) is installed on the side wall of the power storage cover (3). The end of the L-shaped bracket (31) is connected to the rocker arm (311). A baffle (322) is slidably arranged inside the power storage cover (3). One end of the baffle (322) is connected to the locking rod (32). A return spring (323) is locked between the other end of the baffle (322) and the inner wall of the power storage cover (3). The compression direction of the return spring (323) and the movement direction of the locking rod (32) are both on the same straight line.

6. A track lighting power supply box according to claim 1, characterized in that, The lever (32) moves through the rocker arm (311), and several pairs of the locking holes (321) are arc-shaped. The center of curvature of the arc formed by the several pairs of locking holes (321) is the same as the rotation center of the track plug (13).

7. A track lighting power supply box according to claim 1, characterized in that, The side wall of the lever (32) is fitted with a top plate (332). The side wall of the power box housing (1) is horizontally and movably fitted with a push rod (331). The end of the push rod (331) located inside the power box housing (1) is fitted with a push plate (33). The push plate (33) is arc-shaped. The side wall of the push plate (33) is tightly fitted with the side wall of the top plate (332). Pressing the push rod (331) causes the push plate (33) to move, which in turn causes the lever (32) fitted with the top plate (332) to move and the locking hole (321) to separate.

8. A lighting fixture, comprising a track lighting power supply box as described in any one of claims 1 to 7, characterized in that, The track socket (13) is slidably provided with several pairs of track sockets (41), and each track socket (41) is connected to a lamp body (4). The circuits inside the track socket (13), track sockets (41) and lamp body (4) are interconnected.

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