CN215061917U

CN215061917U - Track adapter, driving power supply with same and track lamp

Info

Publication number: CN215061917U
Application number: CN202023044285.9U
Authority: CN
Inventors: 杨君; 董建国; 应良; 汪彪
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-12-07
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a track adapter, include: the mounting seat is provided with a first central shaft; the electricity taking column is arranged on the mounting seat in a rotating mode around a first central shaft, a negative electrode conducting strip and at least two positive electrode conducting strips are arranged on the column body, all the positive electrode conducting strips extend to the bottom of the electricity taking column to form positive electrode contacts, and all the positive electrode contacts are arranged around the first central shaft at intervals; the adjusting conductive part is positioned at the bottom of the electricity taking column, is arranged on the mounting seat in a rotating mode around a first central shaft, is provided with a conductive contact movably connected with the bottom of the electricity taking column, and the moving path of the conductive contact passes through all the positive contacts; the adjusting knob is rotatably arranged on the mounting seat and positioned on the outer side of the top of the electricity taking column; the transmission mechanism is used for transmitting and connecting the adjusting knob and the adjusting conductive part; the utility model also discloses a driving power supply and a track lamp with the adapter; the utility model discloses solve the adapter when clean and tidy pleasing to the eye and adjust the difficult problem of phase place.

Description

Track adapter, driving power supply with same and track lamp

Technical Field

The utility model relates to a track lighting technology field, especially a track adapter, have drive power supply and track lamp of this adapter.

Background

The track lamp is the lamp of installing above the track, and the track adapter that track lamp was equipped with all will install in the assorted track, contains the conducting metal strip in the inside both sides of track, and the track adapter has rotatable conducting metal piece, and during the installation, the conducting metal piece above the track lamp contacts the inside conducting metal strip of track, just can realize the track lamp circular telegram, can light the track lamp.

In order to realize different power supply modes, the track lamp with the multi-line and multi-loop mode needs to be provided with a plurality of conductive metal sheets, a phase regulator is needed to regulate the conduction between each conductive metal sheet and the track lamp so as to lead the conduction between the guide rail lamp and different conductive metal strips in the track, and the output end of the phase regulator is connected with a driving power supply to supply power to the track lamp.

The phase adjustment of the traditional track adapter is placed at the bottom of the adapter, and parts of the phase adjustment are exposed after the phase adjustment is installed on the track, so that the appearance is not attractive and the cost is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a track adapter, have driving power supply and track lamp of this adapter to solve above-mentioned technical problem.

A track adapter, comprising:

the mounting seat is provided with a first central shaft;

the electricity taking column is arranged on the mounting seat in a rotating mode around a first central shaft, a negative electrode conducting strip and at least two positive electrode conducting strips are arranged on the column body, all the positive electrode conducting strips extend to the bottom of the electricity taking column to form positive electrode contacts, and all the positive electrode contacts are arranged around the first central shaft at intervals;

the rail adaptor further comprises:

the adjusting conductive part is positioned at the bottom of the electricity taking column, is arranged on the mounting seat in a rotating mode around a first central shaft, is provided with a conductive contact movably connected with the bottom of the electricity taking column, and the moving path of the conductive contact passes through all the positive contacts;

the adjusting knob is rotatably arranged on the mounting seat and positioned on the outer side of the top of the electricity taking column;

and the transmission mechanism is used for being in transmission connection with the adjusting knob and the adjusting conductive part.

Preferably, the adjustment conductive portion further includes:

the positive conductive connecting piece is in constant conduction with the conductive contact;

and the negative conductive connecting piece is communicated with the negative conductive sheet when the negative conductive sheet rotates to the position connected with the track.

Preferably, the mounting seat is provided with a second central shaft parallel to the first central shaft, and the transmission mechanism includes:

the first transmission gear is positioned at the bottom of the electricity taking column and fixedly connected with the adjusting conductive part, and a gear shaft is superposed with the first central shaft;

and the second transmission gear is meshed with the first transmission gear and is arranged on the mounting seat in a rotating mode around the second central shaft, and the adjusting knob is fixedly connected with the second transmission gear.

Preferably, the bottom of the electricity taking column expands radially to form a conductive disc, the positive contact is a sheet attached to the bottom surface of the conductive disc, and the conductive contact abuts against the bottom surface of the conductive disc.

Preferably, the negative conductive sheet extends to the bottom of the electricity taking column to form a negative contact.

Preferably, the adjustment conductive portion includes:

the middle of the adjusting disc is provided with an axle hole, the annular direction is opposite to the positive contact on the bottom surface of the conductive disc, a through hole is arranged on the annular direction, and the middle of the bottom surface of the conductive disc is provided with a rotating shaft matched with the axle hole;

and the annular conducting plate is arranged on the bottom surface of the adjusting disc and is provided with a conducting elastic sheet which penetrates through the through hole and serves as the conducting contact.

Preferably, the number of the positive electrode conductive sheets is three.

Preferably, the power taking post is provided with a rotary handle extending out.

The utility model provides a driving power supply, includes power supply housing and sets up circuit board in the power supply housing still includes foretell track adapter, the mount pad is fixed to be set up on the power supply housing, anodal electrically conductive connecting piece is connected with the anodal input of circuit board, the negative pole electrically conductive connecting piece is connected with the negative pole input of circuit board.

Preferably, the mounting seat, the electricity taking column, the adjusting conductive part and the transmission mechanism are arranged in the power supply shell; the top of the power supply shell is provided with a mounting hole for exposing the adjusting knob, and at least one side of the power supply shell is provided with a power taking hole for extending the negative conducting plate and the positive conducting plate.

Preferably, the number of the positive conducting strips is three, the positive conducting strips and the negative conducting strips are grouped in pairs and are arranged on two sides of the electricity taking column, and electricity taking holes are formed in two sides of the power supply shell.

The track lamp comprises a lamp holder, wherein a light source component, a driving power supply and the track adapter are arranged on the lamp holder.

Preferably, lighting fixture drive power supply includes the power casing and sets up circuit board in the power casing, the mount pad is fixed to be set up on the power casing, anodal electrically conductive connecting piece is connected with the anodal input of circuit board, the negative pole electrically conductive connecting piece is connected with the negative pole input of circuit board.

Preferably, the lamp holder comprises a U-shaped profile with an upward opening and end covers arranged at two ends of the U-shaped profile, the light source assembly is arranged at the outer side of the U-shaped profile, and the track adapter is arranged at the bottom of the inner side of the U-shaped profile; the end cover is provided with a notch avoiding the track.

Preferably, the power supply housing comprises a lower part and an upper part clamped in the track, and the mounting seat, the electricity taking column, the adjusting conductive part and the transmission mechanism are arranged in the power supply housing; the top of the upper part is provided with a mounting hole for exposing the adjusting knob, and at least one side of the upper part is provided with a power taking hole for extending the negative conducting plate and the positive conducting plate.

Preferably, the width of the lower part is larger than that of the upper part, and the lower part is used for accommodating the mounting seat and the transmission mechanism.

Preferably, the power taking column is provided with a rotating handle extending out of the power supply shell, and a strip-shaped hole through which the rotating handle passes is formed in the side wall of the U-shaped section.

The technical effects of the utility model:

the utility model discloses a track adapter, have the drive power supply and the track lamp of this adapter, the lighting fixture of track lamp can be whole track parcel design, and is clean and tidy pleasing to the eye, solves the problem of prior art's adapter regulation phase place difficulty simultaneously, has put the top of adapter after reducing phase place adjust knob, has solved the regulation problem and has been adapted to more occasions, makes the structural design of track lamp more have the flexibility.

Drawings

Embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a driving power supply of the present embodiment.

Fig. 2 is an exploded schematic diagram of the driving power supply of the present embodiment.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded view of the driving power supply of the present embodiment at another angle.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic cross-sectional structure diagram of the driving power supply of the present embodiment.

Fig. 7 is a schematic structural diagram of the driving power supply (with part of the power supply housing removed) of the present embodiment.

Fig. 8 is a schematic structural diagram of the track lamp of the present embodiment mounted on a track.

Fig. 9 is a schematic structural diagram of the track lamp of the present embodiment.

Fig. 10 is an exploded view of the track lamp according to the present embodiment.

Detailed Description

The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 10, the track adapter 1000 of the present invention can be used alone, or integrated with a driving power supply, as long as the casing of the driving power supply is defined as the mounting seat 100 of the present invention, and other components of the track adapter 1000 for fixing and mounting are not changed. When the rail adaptor 1000 is used alone, the anode and the cathode of the lamp or the separate driving power supply are directly connected. This embodiment is explained by way of an integrated example.

The driving power supply 2000 of the present embodiment includes a power supply case 2001, and a circuit board 2002 and a rail adapter 1000 provided in the power supply case.

Wherein, with the power supply housing 2001 and the circuit board 2002 removed, the rail adapter 1000 can exist independently, and the rail adapter 1000 of this embodiment includes: the power supply device comprises a mounting seat 100, a power taking post 200, an adjusting conductive part 300, an adjusting knob 400 and a transmission mechanism 500. The mounting base 100 is used for carrying other components, either the power supply housing 2001 itself or another component may be manufactured for convenience of manufacturing and installation, in this embodiment, the mounting base 100 includes the power supply housing 2001 and a mounting plate 103 fixed on the power supply housing 2001, the mounting base 100 is provided with a first central axis 101, the electricity taking column 200 is rotatably disposed on the mounting base 100 around the first central axis 101, the electricity taking column 200 is a structure matched with a rail and can be inserted into a rail groove, and after rotation, electrical connection can be achieved, the electricity taking column 200 of this embodiment is provided with a negative pole conducting plate 201 and at least two positive pole conducting plates 202, in the present embodiment, the definition of the negative pole and the positive pole is that L, N is a symbol in alternating current, L is a "live line" of single-phase alternating current, i.e. a positive pole, N is a "zero line" of single-phase alternating current, i.e. a negative pole, in direct current, "+" represents a positive pole, "-" indicates a negative electrode. To prior art's multi-thread track, four-wire track for example, it is the standard component, and its structure generally is U type section bar, and both sides are equipped with the draw-in groove that a plurality of extension degree directions extend for set up conducting metal strip L1, conducting metal strip L2, conducting metal strip L3 and conducting metal strip N, also can set up all conducting metal strips in one side alone certainly, and both sides set up other schemes such as different quantity, and this is not repeated for prior art. The negative conducting strip 201 and the positive conducting strip 202 of the pole body of the electricity taking pole 200 are correspondingly arranged, and the electricity taking pole 200 rotates after extending into the track, so that the negative conducting strip 201 and the positive conducting strip 202 are connected with the corresponding conducting metal strips in an abutting mode.

The negative conductive sheet 201 needs to be in constant contact with the positive conductive sheet 202, and one of the negative conductive sheets is selected to be conducted, specifically: all the positive conductive strips 202 extend to the bottom of the electricity taking column 200 to form positive contacts 2021, and all the positive contacts 2021 are arranged at intervals around the first central axis 101; the adjusting conductive part 300 is located at the bottom of the electricity taking column 200, is rotatably arranged on the mounting base 100 around the first central axis 101, and is provided with a conductive contact 301 movably connected with the bottom of the electricity taking column 200, the moving path of the conductive contact 301 passes through all the positive contacts 2021, and after the electricity taking column 200 is rotated to be connected with a track, the conductive contact 301 is in contact conduction with which positive contact 2021, namely is in conduction with the corresponding conductive metal strip. The movable connection can be abutting or matching of an insert and an annular groove, in order to enable the conductive contact 301 to be conducted with different positive contacts 2021, the adjusting knob 400 is rotatably arranged on the mounting seat 100 and located on the outer side of the top of the power taking column 200, and the transmission mechanism 500 is used for transmission connection of the adjusting knob 400 and the adjusting conductive part 300. When the adjusting knob 400 is rotated, the transmission mechanism 500 transmits the stroke of the adjusting knob 400 to the adjusting conductive part 300, and the adjusting conductive part 300 rotates to a designed position, namely, the power taking post 200 is conducted with a required conductive metal strip when rotating to the designed position.

The adjustment knob 400 of this embodiment is disposed outside the top of the power take-off column 200 to facilitate manual adjustment, particularly when the rail adapter 1000 is installed in a deep narrow structure. For the convenience of external connection, the adjusting conductive part 300 further includes a positive conductive connector 304 and a negative conductive connector 305 that are fixedly disposed. The positive conductive connecting member 304 is in constant conduction with the conductive contact 301, in this embodiment, the positive conductive connecting member 304 is in constant conduction with the conductive contact 301 through a conductive ring; when the negative conductive sheet 201 rotates to a position connected to a track, the negative conductive connector 305 is connected to the negative conductive sheet 201.

The transmission mechanism 500 is implemented in many forms, such as a screw transmission, a gear transmission, a rack transmission, etc., in this embodiment, for simplicity and ease of manufacture, the mounting base 100 is provided with a second central shaft 102 parallel to the first central shaft 101, and the transmission mechanism 500 includes: a first transmission gear 501 and a second transmission gear 502, wherein the first transmission gear 501 is positioned at the bottom of the electricity taking column 200 and is fixedly connected with the adjusting conductive part 300, and a gear shaft is superposed with the first central shaft 101; the second transmission gear 502 is meshed with the first transmission gear 501 and is arranged on the mounting base 100 in a rotating mode around the second central shaft 102, the adjusting knob 400 is fixedly connected with the second transmission gear 502, two mounting holes for mounting the first transmission gear 501 and the second transmission gear 502 are formed in the mounting piece 103, and the first transmission gear 501 and the second transmission gear 502 are connected in a rotating mode through a buckling structure.

In order to make the conductive contact 301 and the positive contact 2021 conduct stably, the bottom of the power taking column 200 expands radially to form a conductive disc 203, the positive contact 2021 is a sheet attached to the bottom surface of the conductive disc 203, and the conductive contact 301 abuts against the bottom surface of the conductive disc 203. The contact area of the sheet structure is large, and unstable connection caused by manufacturing and assembling errors can be avoided.

The negative conductive sheet 201 is different from the positive conductive sheet 202, and does not need to be selected, and only needs to wait for the electricity taking column 200 to rotate in place, but for convenience of integral manufacturing, the negative conductive sheet 201 extends to the bottom of the electricity taking column 200 to form a negative contact 2011, and in this embodiment, the negative contact 2011 and the positive contact 2021 are arranged on the same surface and are arranged together.

The structure of the adjusting conductive part 300 is designed by matching with the bottom of the power taking column 200, and in the embodiment, the adjusting conductive part comprises an adjusting disc 302 and an annular conductive sheet 303, wherein the middle of the adjusting disc 302 is provided with a shaft hole 3021, the annular direction is opposite to the positive contact 2021 on the bottom surface of the conductive disc 203, a through hole 3022 is arranged in the annular direction, and the middle of the bottom surface of the conductive disc 203 is provided with a rotating shaft 2031 matched with the shaft hole 3021; an annular conductive plate 303 is disposed on the bottom surface of the adjustment disk 302, with a conductive spring passing through the through hole 3022 as the conductive contact 301.

The present embodiment is used for a four-line track that fits a common standard, and the positive conductive plate 202 is provided with three. The conductive metal strips L1, L2, and L3 are connected correspondingly, which is not described in detail in the prior art.

To facilitate manual installation, the power take-off pole 200 is provided with a protruding turning handle 204 in this embodiment.

The track adapter 1000 may be independently produced, manufactured, and installed, and in this embodiment, the track adapter is integrated into a driving power supply, specifically, the installation base 100 is fixedly disposed on the power supply housing 2001, the power supply housing 2001 is formed by splicing a left portion 2007 and a right portion 2008, the positive conductive connecting member 304 is connected with a positive input end of the circuit board 2002, the negative conductive connecting member 305 is connected with a negative input end of the circuit board 2002, and the connection manner may be by plugging or welding, which is not described in detail for the prior art.

The mounting seat 100, the power taking post 200, the adjusting conductive part 300 and the transmission mechanism 500 are arranged in the power supply casing 2001; the top of the power supply casing 2001 is provided with a mounting hole 2003 for exposing the adjusting knob 400, and at least one side of the power supply casing is provided with a power taking hole 2004 for extending the negative conductive sheet 201 and the positive conductive sheet 202. The number of the positive conductive sheets 202 is three, the positive conductive sheets and the negative conductive sheets 201 are grouped in pairs and are arranged on two sides of the electricity taking column 200, and electricity taking holes 2004 are arranged on two sides of the power supply shell 2001.

The track adapter 1000 of the present embodiment is particularly suitable for the track lamp of the present embodiment, and the track lamp includes a lamp holder 3000, and the lamp holder 3000 is provided with a light source assembly 4000, a driving power supply 2000 and the track adapter 1000. The lamp holder driving power supply comprises a power supply shell 2001 and a circuit board 2002 arranged in the power supply shell, the mounting base 100 is fixedly arranged on the power supply shell 2001, the positive conductive connecting piece 304 is connected with a positive input end of the circuit board 2002, and the negative conductive connecting piece 305 is connected with a negative input end of the circuit board 2002.

The lamp holder 3000 comprises a U-shaped section 3001 with an upward opening and end covers 3002 arranged at two ends of the U-shaped section 3001, the light source assembly 4000 is arranged at the outer side of the U-shaped section 3001, and the rail adapter 1000 is arranged at the bottom of the inner side of the U-shaped section 3001; the end cap 3002 is provided with a notch 3003 to avoid the track.

In order to facilitate the installation of the light source assembly 4000, two sides of the U-shaped profile 3001 extend downward, and the light source assembly 4000 includes a lamp panel 4001 and an optical element 4002.

The power supply casing 2001 comprises a lower part 2006 and an upper part 2005 clamped in a track, and the mounting seat 100, the power taking post 200, the adjusting conductive part 300 and the transmission mechanism 500 are arranged in the power supply casing 2001; the top of the upper portion 2005 is provided with a mounting hole 2003 for exposing the adjusting knob 400, and both sides are provided with electricity taking holes 2004 for extending the negative conductive sheet 201 and the positive conductive sheet 202.

The upper portion 2005 snaps into place in the track and is therefore of a smaller width, and to facilitate mounting of the actuator 500, the lower portion 2006 is of a greater width than the upper portion 2005 and is adapted to receive the mount 100, actuator 500.

The electricity taking column 200 is provided with a rotating handle 204 extending out of the power supply casing 2001, and a strip-shaped hole 3006 passing through the rotating handle 204 is formed in the side wall of the U-shaped section 3001.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. A rail adapter (1000) comprising:

a mounting base (100) provided with a first central shaft (101);

the electricity taking column (200) is arranged on the mounting seat (100) in a rotating mode around a first central shaft (101), a negative electrode conducting strip (201) and at least two positive electrode conducting strips (202) are arranged on a column body, all the positive electrode conducting strips (202) extend to the bottom of the electricity taking column (200) to form positive electrode contacts (2021), and all the positive electrode contacts (2021) are arranged around the first central shaft (101) at intervals;

it is characterized by also comprising:

the adjusting conductive part (300) is positioned at the bottom of the electricity taking column (200), is arranged on the mounting seat (100) in a rotating mode around a first central shaft (101), is provided with a conductive contact (301) movably connected with the bottom of the electricity taking column (200), and the moving path of the conductive contact (301) passes through all positive contacts (2021);

the adjusting knob (400) is rotatably arranged on the mounting seat (100) and is positioned on the outer side of the top of the electricity taking column (200);

and the transmission mechanism (500) is used for transmitting and connecting the adjusting knob (400) and the adjusting conductive part (300).

2. The rail adapter (1000) of claim 1, wherein the conditioning conductive portion (300) further comprises:

a positive conductive connector (304) in constant conduction with the conductive contact (301);

and the negative conductive connecting piece (305) is communicated with the negative conductive piece (201) when the negative conductive piece (201) rotates to a position connected with the track.

3. The rail adapter (1000) according to claim 2, wherein the mounting seat (100) is provided with a second central shaft (102) parallel to the first central shaft (101), the transmission mechanism (500) comprising:

the first transmission gear (501) is positioned at the bottom of the electricity taking column (200) and is fixedly connected with the adjusting conductive part (300), and a gear shaft is superposed with the first central shaft (101);

and the second transmission gear (502) is meshed with the first transmission gear (501) and is arranged on the mounting base (100) in a rotating mode around the second central shaft (102), and the adjusting knob (400) is fixedly connected with the second transmission gear (502).

4. The rail adaptor (1000) of claim 2, wherein the bottom of the power take-off column (200) expands radially to form a conductive disc (203), the positive contact (2021) is a tab attached to the bottom surface of the conductive disc (203), and the conductive contact (301) abuts against the bottom surface of the conductive disc (203).

5. The rail adapter (1000) according to any one of claims 2 to 4, wherein the negative conductive sheet (201) extends to the bottom of the electricity taking column (200) to form a negative contact (2011).

6. The rail adapter (1000) of claim 4, wherein the conditioning conductive portion (300) comprises:

the middle of the adjusting disc (302) is provided with a shaft hole (3021), the annular direction is opposite to the positive contact (2021) on the bottom surface of the conductive disc (203), the annular direction is provided with a through hole (3022), and the middle of the bottom surface of the conductive disc (203) is provided with a rotating shaft (2031) matched with the shaft hole (3021);

and the annular conducting plate (303) is arranged on the bottom surface of the adjusting disc (302) and is provided with a conducting elastic sheet which penetrates through the through hole (3022) to serve as the conducting contact (301).

7. The rail adapter (1000) according to any one of claims 2 to 4, wherein there are three positive conductive strips (202).

8. The rail adaptor (1000) of any one of claims 2 to 4, wherein the power take-off post (200) is provided with an extended turning handle (204).

9. A driving power supply (2000) comprising a power supply housing (2001) and a circuit board (2002) arranged in the power supply housing, characterized by further comprising a rail adapter (1000) according to claim 2-8, wherein the mounting base (100) is fixedly arranged on the power supply housing (2001), the positive conductive connector (304) is connected with a positive input end of the circuit board (2002), and the negative conductive connector (305) is connected with a negative input end of the circuit board (2002).

10. The driving power supply (2000) according to claim 9, wherein the mount (100), the power take post (200), the adjusting conductive part (300), and the transmission mechanism (500) are provided in the power supply housing (2001); the top of the power supply shell (2001) is provided with a mounting hole (2003) for exposing the adjusting knob (400), and at least one side of the power supply shell is provided with a power taking hole (2004) for extending the negative electrode conducting strip (201) and the positive electrode conducting strip (202).

11. The driving power supply (2000) according to claim 9 or 10, wherein the number of the positive conductive sheets (202) is three, and the positive conductive sheets and the negative conductive sheets (201) are grouped in pairs and arranged on two sides of the power supply housing (2001), and power supply holes (2004) are arranged on two sides of the power supply housing (2001).

12. A track lamp, comprising a lamp holder (3000), characterized in that the lamp holder (3000) is provided with a light source assembly (4000), a driving power supply (2000) and a track adapter (1000) according to claims 2-8.

13. The track lamp of claim 12, wherein the lamp holder driving power supply comprises a power supply housing (2001) and a circuit board (2002) arranged in the power supply housing, the mounting base (100) is fixedly arranged on the power supply housing (2001), the positive conductive connector (304) is connected with a positive input end of the circuit board (2002), and the negative conductive connector (305) is connected with a negative input end of the circuit board (2002).

14. The track lamp according to claim 13, wherein the lamp holder (3000) comprises a U-shaped profile (3001) with an upward opening and end caps (3002) arranged at both ends of the U-shaped profile (3001), the light source assembly (4000) is arranged at the outer side of the U-shaped profile (3001), and the track adapter (1000) is arranged at the bottom of the inner side of the U-shaped profile (3001); the end cover (3002) is provided with a notch (3003) avoiding the track.

15. The track lamp according to claim 14, wherein the power supply housing (2001) comprises a lower portion (2006) and an upper portion (2005) which snaps into the track, the mount (100), the power taking post (200), the adjusting conductive portion (300) and the actuator (500) being disposed in the power supply housing (2001); the top of the upper part (2005) is provided with a mounting hole (2003) for exposing the adjusting knob (400), and at least one side of the upper part is provided with a power taking hole (2004) for extending the negative electrode conducting strip (201) and the positive electrode conducting strip (202).

16. The track light of claim 15, wherein the lower portion (2006) has a greater width than the upper portion (2005) for accommodating the mount (100), actuator (500).

17. The track lamp as claimed in any one of claims 14 to 16, wherein the power take-off pole (200) is provided with a rotating handle (204) extending out of the power supply housing (2001), and a strip-shaped hole (3006) passing through the rotating handle (204) is formed in a side wall of the U-shaped profile (3001).