CN111828885A

CN111828885A - Joint structure of track lamp

Info

Publication number: CN111828885A
Application number: CN202010800331.9A
Authority: CN
Inventors: 黄志平; 姚思明; 李小熊
Original assignee: Guangzhou Panyu Target Casting And Lighting Co ltd
Current assignee: Guangzhou Panyu Target Casting And Lighting Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-10-27

Abstract

The invention discloses a joint structure of a track lamp, which comprises a shell and a joint component which can be disassembled and replaced, wherein the bottom of the shell is rotatably connected with a support arm used for connecting a lamp; the joint assembly comprises a joint cover, a second conductive elastic sheet assembly and a joint which is integrally formed and fixed on the upper surface of the joint cover, the joint can be clamped with the adaptation of various power supply guide rails, the joint cover is fixed at an opening of the shell through a first screw, one end of the second conductive elastic sheet assembly is arranged on the lower surface of the joint cover and is electrically connected with the first conductive elastic sheet assembly in an elastic contact mode, and the other end of the second conductive elastic sheet assembly is arranged on the joint and is communicated with the power supply guide rails to conduct electricity. The power supply device can be suitable for different power supply guide rails by disassembling and replacing corresponding joint assemblies, and has strong compatibility; the elastic contact mode is adopted for connection and power taking, and the device is stable and reliable.

Description

Joint structure of track lamp

Technical Field

The invention relates to the technical field of track lamps, in particular to a track lamp joint structure.

Background

The rail lamp is a lamp used in shops, exhibition halls and the like which need to project light on commodities or exhibitions, and the rail lamp structurally comprises a sliding rail and a spotlight capable of adjusting a fixed position along the sliding rail.

Due to different structures of the rail and rail joints used in different countries or regions, some of the rails use two-wire rails, some of the rails use three-wire rails, and some of the rails use four-wire rails, for example, the power supply rail systems of three brands, i.e., the L-shaped rail (lightlier System), the H-shaped rail (Halo System), and the J-shaped rail (Juno System), are more common in the united states. At present, the track lamps in the market are all inseparable lamps and track joints which are connected together, the lamps are used as a whole set of lamp products for sale, if different tracks are used, the lamps are matched with the corresponding track joints, therefore, manufacturers need to respectively design each new lamp product into corresponding different track joints according to the use conditions of the tracks in different regions for batch production, the universality is poor, and the production and sale risks are increased.

Disclosure of Invention

The invention aims to provide a rail lamp joint structure, which is characterized in that a joint assembly capable of being disassembled and replaced is designed, the joint assembly is matched and installed with a shell through a joint cover on the joint assembly by using screws, a joint capable of being matched with various power supply guide rails to obtain electricity is integrally formed on the joint cover, and the electricity is obtained between the joint assembly and a fixed seat on the shell in an elastic contact manner, so that the problem that a rail lamp in the prior art cannot be matched with rail structures in different areas due to the fact that the joint assembly cannot be disassembled and replaced is solved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a track lamp joint structure comprises a shell and a detachable and replaceable joint component, wherein the shell is of a shell structure with an opening at the top and a cavity, the bottom of the shell is rotatably connected with a support arm used for connecting a lamp, a fixed seat is arranged in the cavity of the shell, a first conductive elastic sheet component is arranged on the upper surface of the fixed seat, and the first conductive elastic sheet component is electrically connected with an electric wire for supplying power to the lamp; the joint assembly comprises a joint cover, a second conductive elastic sheet assembly and a joint which is integrally formed and fixed on the upper surface of the joint cover, the joint can be clamped with multiple power supply guide rails in an adaptive mode, the joint cover is fixed at the opening of the shell through a plurality of first screws, one end of the second conductive elastic sheet assembly is arranged on the lower surface of the joint cover and is connected with the first conductive elastic sheet assembly in an elastic contact mode in an abutting mode, and the other end of the second conductive elastic sheet assembly is arranged on the joint and can be communicated with the power supply guide rails to conduct electricity.

Further, the fixing base with be equipped with the insulating piece between the joint cover, the insulating piece is equipped with the confession first electrically conductive shell fragment subassembly with the second electrically conductive shell fragment subassembly carries out electric connection's clearance through-hole of keeping away. The insulating piece can improve the electrical insulation nature between fixing base and the joint cover, only supplies first electrically conductive shell fragment subassembly and the electrically conductive shell fragment subassembly of second to contact through a plurality of clearance through-hole and is connected with the elastic contact mode.

Further, the fixing seat is fixed on the upper surface of the bottom wall of the shell through a plurality of third screws.

Furthermore, the connector is a two-wire connector, a three-wire connector or a four-wire connector, and different connectors are adaptive to different power supply guide rails in clamping connection. By designing the connector into a common and universal structure such as a two-wire connector, a three-wire connector or a four-wire connector, the power can be adapted to and taken by the two-wire, three-wire or four-wire power supply guide rail by only disassembling and replacing the corresponding connector assembly.

Furthermore, the first conductive elastic piece component comprises a first positive conductive elastic piece, a first negative conductive elastic piece and a first ground wire conductive elastic piece which are distributed at intervals, the second conductive elastic piece component comprises a second positive conductive elastic piece, a second negative conductive elastic piece and a second ground wire conductive elastic piece which are distributed at intervals, the first positive conductive elastic piece is electrically connected with the second positive conductive elastic piece, the first negative conductive elastic piece is electrically connected with the second negative conductive elastic piece, and the first ground wire conductive elastic piece is electrically connected with the second ground wire conductive elastic piece. When the grounding wire is installed, the first positive conductive elastic sheet, the first negative conductive elastic sheet and the first ground wire conductive elastic sheet are respectively fixed on the fixed seat through fourth screws; the second positive conductive elastic sheet, the second negative conductive elastic sheet and the second ground conductive elastic sheet are respectively inserted into the connector and are locked and installed by the fixing plug, the gland and the fifth screw.

Furthermore, the support arm is internally provided with a channel communicated with the cavity in the shell, and the electric wire is arranged in the channel in an inserting mode.

Further, circular shape mounting hole has on the diapire of casing, the upper portion of support arm is equipped with the cylinder with the mounting hole joint adaptation, the periphery of cylinder is equipped with through the gasket butt the annular chimb of the diapire lower surface of casing, the diapire upper surface of casing be equipped with through the second screw with the position piece that ends that the cylinder is connected. The stop piece is assembled with the cylinder on the upper part of the support arm, so that the support arm can be rotatably arranged on the bottom wall of the shell, and the angle of the lamp assembled on the support arm can be adjusted.

Furthermore, a first bump is arranged on the stop piece, and a second bump which can be abutted against the first bump is arranged on the upper surface of the bottom wall of the shell. The rotation adjusting angle of the support arm can be limited by the matching of the second convex block and the first convex block.

Furthermore, the upper surface of the bottom wall of the shell is provided with a supporting convex ring, and the supporting convex ring is arranged on the periphery of the stop piece. Therefore, when being installed, the fixing seat is positioned on the supporting convex ring, so that a certain gap is formed between the lower surface of the fixing seat and the upper surface of the stop sheet, and the support arm can rotate smoothly.

Further, be equipped with track locking Assembly on the side of casing, track locking Assembly includes locking plate and spring, the casing is equipped with the confession gliding guide slot about the locking plate, the fixing base with be equipped with between the casing and hold the holding chamber of spring, the holding chamber is being close to one side of locking plate is equipped with the slot, the locking plate is equipped with and inserts support in the slot and press the support piece of spring, the lower part of locking plate is equipped with presses the splenium. Through setting up track locking Assembly, when the installation, utilize the locking plate embedding power supply guide rail in the track groove to prevent that track lamp joint structure is whole takes place pivoted.

Furthermore, the locking plate is provided with a limiting block, and the joint cover is provided with a limiting concave position for limiting the up-and-down movement stroke of the limiting block.

Compared with the prior art, the invention provides a rail lamp joint structure which has the following beneficial effects:

the rail lamp joint structure is designed to have the joint component which can be disassembled and replaced and the common shell, and the joint cover on the joint component is matched and installed with the shell through the screw, so that the structure is compact on the whole; the joint cover is integrally fixed with a joint which can be adapted to various power supply guide rails for power taking, and the joint assembly and the fixed seat on the shell adopt an elastic contact mode for power taking, so that one lamp product can be suitable for tracks in different regions only by disassembling and replacing the corresponding joint assembly, the practicability and compatibility are improved, and the replaceable joint assembly is smaller than the whole track lamp and is easier to reduce the production and sale cost; in addition, the mode that adopts the screw fixation to connect the subassembly both can firmly lock and convenient to detach changes, and also the second electrically conductive shell fragment subassembly butt first electrically conductive shell fragment subassembly is got the electricity reliably by the way when locking screw is fixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of the structure of example 1;

FIG. 2 is a schematic view of a half-section structure in example 1;

FIG. 3 is a schematic sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a schematic view showing the mounting of a boom in embodiment 1;

FIG. 5 is a schematic view of the mounting arm after installation;

FIG. 6 is a schematic view showing the mounting of the holder according to embodiment 1;

FIG. 7 is a schematic view showing the installation of the joint assembly of example 1;

FIG. 8 is a schematic view of the present invention installed in combination with a lamp;

FIG. 9 is an assembled view of the joint assembly of example 1;

fig. 10 is a sectional view of the joint assembly and the power supply rail in embodiment 1;

FIG. 11 is a schematic cross-sectional view taken along line B-B of FIG. 10;

FIG. 12 is an assembled view of the joint assembly of embodiment 2;

fig. 13 is a sectional view of the joint assembly and the power supply rail in embodiment 2;

FIG. 14 is a schematic cross-sectional view taken along line C-C of FIG. 13;

FIG. 15 is an assembled view of the joint assembly of example 3;

fig. 16 is a sectional view of the joint assembly and the power supply rail in embodiment 3;

fig. 17 is a schematic cross-sectional view taken along the direction D-D in fig. 16.

Reference numerals: 1. a housing; 11. mounting holes; 12. a second bump; 13. a supporting convex ring; 14. a guide groove; 15. an accommodating cavity; 151. a slot; 2. a joint assembly; 21. a joint cover; 211. a first screw; 212. limiting concave positions; 22. a second conductive spring piece assembly; 221A, a second positive conductive elastic sheet; 221B, a second positive conductive elastic sheet; 221C, a second positive conductive elastic sheet; 222A, a second ground conductive elastic sheet; 222B, a second ground conductive elastic sheet; 222C, a second ground conductive elastic sheet; 223A, a second negative conductive elastic sheet; 223B, a second negative conductive elastic sheet; 223C, a second negative conductive elastic sheet; 23. a joint; 231. a vertical jack; 232. a transverse jack; 233. a clamping part; 24. a fifth screw; 25. a fixed plug; 26. a gland; 3. a fixed seat; 31. a first conductive spring piece assembly; 311. a first positive conductive elastic sheet; 312. a first ground wire conductive elastic sheet; 313. a first negative conductive elastic sheet; 32. an insulating sheet; 321. avoiding empty through holes; 33. a third screw; 34. a fourth screw; 4. a support arm; 41. a channel; 42. a cylinder; 43. an annular flange; 5. an elastic pad; 6. a stop sheet; 61. a first bump; 62. a second screw; 7. a track locking assembly; 71. a locking plate; 711. a pressing block; 712. a pressing part; 713. a limiting block; 72. a spring; 8. a light fixture; 81. an electric wire; 9. and a power supply guide rail.

Detailed Description

The technical solutions of the present invention will be described clearly and completely in the following detailed description of embodiments thereof, which is to be understood as being illustrative only and not restrictive in all respects. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1 to 11, the present embodiment provides a track lamp joint structure, which includes a housing 1 and a detachable and replaceable joint component 2, wherein the housing 1 is a housing structure with an open top and a cavity, the bottom of the housing 1 is rotatably connected to a support arm 4 for connecting a lamp 8, a fixing seat 3 is disposed in the cavity of the housing 1, a first conductive elastic sheet component 31 is disposed on an upper surface of the fixing seat 3, and the first conductive elastic sheet component 31 is electrically connected to an electric wire 81 for supplying power to the lamp 8; the joint component 2 comprises a joint cover 21, a second conductive elastic sheet component 22 and a joint 23 which is integrally formed and fixed on the upper surface of the joint cover 21, the joint 23 can be adaptive clamped with various power supply guide rails 9, the joint cover 21 is fixed at an opening of the shell 1 through two first screws 211, one end of the second conductive elastic sheet component 22 is arranged on the lower surface of the joint cover 21 and is abutted and electrically connected with the first conductive elastic sheet component 31 in an elastic contact manner, and the other end of the second conductive elastic sheet component 22 is arranged on the joint 23 and can be communicated with the power supply guide rails 9 for conduction.

The track lamp joint structure is designed to have the joint component 2 which can be disassembled and replaced and the shared shell 1, and the joint cover 21 on the joint component 2 is matched and installed with the shell 1 by using the two first screws 211, so that the overall structure is more compact; the joint cover 21 is integrally fixed with a joint 23 which can be adapted to various power supply guide rails 9 for power taking, and the joint assembly 2 and the fixed seat 3 on the shell 1 take elastic contact for power taking, so that a lamp product can be suitable for tracks in different regions only by disassembling and replacing the corresponding joint assembly 2, the practicability and compatibility are improved, and the replaceable joint assembly 2 is smaller than the whole track lamp and is easier to reduce the production and sale cost; in addition, the mode that adopts the screw fixation to connect the subassembly both can firmly lock and convenient to detach changes, and also the second electrically conductive shell fragment subassembly butt first electrically conductive shell fragment subassembly is got the electricity reliably by the way when locking screw is fixed.

In the present embodiment, the housing 1 is a common structure, and the fixed seat 3 in the cavity is fixed on the upper surface of the bottom wall of the housing 1 by two third screws 33. Be equipped with track locking Assembly 7 on the side of casing 1, track locking Assembly 7 includes locking plate 71 and spring 72, and casing 1 is equipped with and supplies locking plate 71 gliding guide slot 14 from top to bottom, is equipped with the holding chamber 15 that holds spring 72 between fixing base 3 and the casing 1, and holding chamber 15 is equipped with slot 151 in the one side that is close to locking plate 71, and locking plate 71 is equipped with to support pressing block 711 that supports pressing spring 72 in inserting slot 151, and the lower part of locking plate 71 is equipped with presses splenium 712. As shown in fig. 7, when assembling, the rail lock assembly 7 is assembled on the side surface of the housing 1 by respectively clamping up and down the joint cover 21 and the fixing base 3. By providing the rail locking assembly 7, when the rail light joint structure is used, the locking piece 71 is embedded into the rail groove of the power supply rail 9, thereby preventing the whole rail light joint structure from rotating.

Further, a stopper 713 is provided on the lock plate 71, and a stopper recess 212 for limiting the vertical movement of the stopper 713 is provided on the joint cover 21.

In the embodiment, an insulating sheet 32 is disposed between the fixing base 3 and the joint cover 21, and the insulating sheet 32 is provided with a clearance through hole 321 for electrically connecting the first conductive elastic sheet assembly 31 and the second conductive elastic sheet assembly 22. The insulating sheet 32 can improve the electrical insulation between the fixing base 3 and the joint cover 21, and the first conductive elastic sheet assembly 31 and the second conductive elastic sheet assembly 22 are in contact connection in an elastic contact manner only through the plurality of clearance through holes 321.

Referring to fig. 4 to 6, in the present embodiment, the arm 4 has a channel 41 communicating with the cavity in the housing 1, and the wire 81 is inserted into the channel 41. Circular shape mounting hole 11 has on the diapire of casing 1, and the upper portion of support arm 4 is equipped with the cylinder 42 with mounting hole 11 joint adaptation, and the periphery of cylinder 42 is equipped with through elastic gasket 5 butt the annular chimb 43 of the diapire lower surface of casing 1, the diapire upper surface of casing 1 is equipped with the position piece 6 of ending of being connected with cylinder 42 through two second screws 62. The stop piece 6 is assembled with the cylinder 42 on the upper part of the arm 4, so that the arm 4 can be rotatably mounted on the bottom wall of the housing 1, and the lamp 8 assembled on the arm 4 can adjust the illumination angle.

In order to limit the rotation angle of the arm 4, a first projection 61 is provided on the stopper 6, and a second projection 12 capable of abutting against the first projection 61 is provided on the upper surface of the bottom wall of the housing 1. The rotation angle of the arm 4 is well controlled by the cooperation of the second projection 12 and the first projection 61.

In order to facilitate the arm 4 to rotate smoothly, the upper surface of the bottom wall of the housing 1 is provided with a supporting convex ring 13, and the supporting convex ring 13 is provided on the outer periphery of the stop piece 6. So, fixing base 3 is fixed a position on supporting convex ring 13 when the installation for have certain space between the lower surface of fixing base 3 and the upper surface of ending the position piece 6, avoid taking place to interfere the influence and rotate.

Because two-wire, three-wire, four-wire and other power supply guide rails exist in the market, the connector integrally formed and fixed on the upper surface of the connector cover is correspondingly designed into a two-wire connector, a three-wire connector, a four-wire connector and the like according to the structures of different power supply guide rails, so that different connectors can be matched and clamped with different power supply guide rails. By designing the connector into a common and universal structure such as a two-wire connector, a three-wire connector or a four-wire connector, the power can be adapted to and taken by the two-wire, three-wire or four-wire power supply guide rail by only disassembling and replacing the corresponding connector assembly.

Referring to fig. 9 to 11, in the present embodiment, the connector 23 is a two-wire connector that can be adapted to the L-shaped (lightlier System rail) power supply rail 9. Specifically, the first conductive elastic piece assembly 31 includes a first positive conductive elastic piece 311, a first negative conductive elastic piece 313 and a first ground conductive elastic piece 312 which are distributed in a zigzag shape at intervals, the second conductive elastic piece assembly 22 includes a second positive conductive elastic piece 221A, a second negative conductive elastic piece 223A and a second ground conductive elastic piece 222A which are distributed at intervals, the first positive conductive elastic piece 311 is electrically connected with the second positive conductive elastic piece 221A, the first negative conductive elastic piece 313 is electrically connected with the second negative conductive elastic piece 223A, and the first ground conductive elastic piece 312 is electrically connected with the second ground conductive elastic piece 222A. The connector 23 is provided with two clamping portions 233 which are approximately right-angled and can be matched with the power supply guide rail 9 in a clamping manner, and the connector 23 is provided with a vertical insertion hole 231 and a transverse insertion hole 232 along the vertical direction and the transverse direction respectively. The second positive conductive elastic piece 221A is formed by inserting an upper positive plate and a lower positive plate, the second ground conductive elastic piece 222A is formed by inserting an upper ground plate and a lower ground plate, and two ends of the second negative conductive elastic piece 223A are respectively bent to form an upper negative plate and a lower negative plate. When the fixing base is installed, the first positive conductive elastic piece 311, the first negative conductive elastic piece 313 and the first ground wire conductive elastic piece 312 are respectively fixed on the fixing base 3 through the fourth screw 34; the upper positive plate, the lower positive plate and the second negative conductive elastic piece 223A are separately inserted and fixed in the vertical insertion hole 231 through the fixing plug 25, the upper ground wire piece is inserted and fixed in the horizontal insertion hole 232, and finally the fifth screw 24, the fixing plug 25, the lower ground wire piece and the gland 26 are sequentially used for locking and mounting from top to bottom. After the assembly, the upper positive plate, the upper ground plate and the upper negative plate are positioned on the joint 23 and can be adapted to the L-shaped power supply guide rail 9 to obtain power, and the lower positive plate, the lower ground plate and the lower negative plate are positioned on the bottom surface of the joint cover 21 in a shape like a Chinese character 'pin' and can respectively correspond to the first positive conductive elastic sheet 311, the first ground conductive elastic sheet 312 and the first negative conductive elastic sheet 313 on the fixed seat 3.

Example 2

Referring to fig. 12 to 14, the present embodiment provides a rail lamp joint structure with another structure, which is different from embodiment 1 in that the joint 23 is a three-wire joint capable of adapting to a power supply rail 9 of an H-type (Halo System rail). Specifically, the first conductive elastic piece assembly 31 includes a first positive conductive elastic piece 311, a first negative conductive elastic piece 313 and a first ground conductive elastic piece 312 which are distributed in a zigzag shape at intervals, the second conductive elastic piece assembly 22 includes a second positive conductive elastic piece 221B, a second negative conductive elastic piece 223B and a second ground conductive elastic piece 222B which are distributed at intervals, the first positive conductive elastic piece 311 is electrically connected with the second positive conductive elastic piece 221B, the first negative conductive elastic piece 313 is electrically connected with the second negative conductive elastic piece 223B, and the first ground conductive elastic piece 312 is electrically connected with the second ground conductive elastic piece 222B. The joint 23 is provided with two clamping parts 233 with arc-shaped sections, which can be matched with the clamping of the power supply guide rail 9, and the joint 23 is provided with a vertical jack 231 along the vertical direction. The second positive conductive elastic piece 221B is formed by inserting an upper positive plate and a lower positive plate, the second ground conductive elastic piece 222B is formed by inserting an upper ground plate and a lower ground plate, and two ends of the second negative conductive elastic piece 223B are respectively bent to form an upper negative plate and a lower negative plate. When the fixing base is installed, the first positive conductive elastic piece 311, the first negative conductive elastic piece 313 and the first ground wire conductive elastic piece 312 are respectively fixed on the fixing base 3 through the fourth screw 34; the upper positive plate, the lower positive plate and the second negative conductive elastic piece 223B are separately inserted and fixed in the vertical insertion hole 231 by the fixing plug 25, and are locked and installed by using a fifth screw 24, an upper ground wire piece, the fixing plug 25, a lower ground wire piece and the gland 26 from top to bottom in sequence. After the assembly, the upper positive plate, the upper ground plate and the upper negative plate are positioned on the joint 23 and can be adapted to the H-shaped power supply guide rail 9 to obtain power, and the lower positive plate, the lower ground plate and the lower negative plate are positioned on the bottom surface of the joint cover 21 in a shape like a Chinese character 'pin' and can respectively correspond to the first positive conductive elastic sheet 311, the first ground conductive elastic sheet 312 and the first negative conductive elastic sheet 313 on the fixed seat 3.

Example 3

Referring to fig. 15 to 17, the present embodiment provides a rail lamp joint structure with another structure, which is different from embodiment 1 in that the joint 23 is a two-wire joint capable of adapting to a J-type (Juno System rail) power supply rail 9. Specifically, the first conductive elastic piece assembly 31 includes a first positive conductive elastic piece 311, a first negative conductive elastic piece 313 and a first ground conductive elastic piece 312 which are distributed in a zigzag shape at intervals, the second conductive elastic piece assembly 22 includes a second positive conductive elastic piece 221C, a second negative conductive elastic piece 223C and a second ground conductive elastic piece 222C which are distributed at intervals, the first positive conductive elastic piece 311 is electrically connected with the second positive conductive elastic piece 221C, the first negative conductive elastic piece 313 is electrically connected with the second negative conductive elastic piece 223C, and the first ground conductive elastic piece 312 is electrically connected with the second ground conductive elastic piece 222C. The joint 23 is provided with two clamping parts 233 with arc-shaped cross sections, which can be matched with the clamping of the power supply guide rail 9, and the joint 23 is provided with a vertical insertion hole 231 and a horizontal insertion hole 232 along the vertical direction and the horizontal direction respectively. The second positive conductive elastic piece 221C is formed by inserting an upper positive plate and a lower positive plate, the second ground conductive elastic piece 222C is formed by inserting an upper ground plate and a lower ground plate, and two ends of the second negative conductive elastic piece 223C are respectively bent to form an upper negative plate and a lower negative plate. When the fixing base is installed, the first positive conductive elastic piece 311, the first negative conductive elastic piece 313 and the first ground wire conductive elastic piece 312 are respectively fixed on the fixing base 3 through the fourth screw 34; the upper positive plate, the lower positive plate and the second negative conductive elastic piece 223C are separately inserted and fixed in the vertical insertion hole 231 through the fixing plug 25, the upper ground wire piece is inserted and fixed in the horizontal insertion hole 232, and finally the fifth screw 24, the fixing plug 25, the lower ground wire piece and the gland 26 are sequentially used for locking and mounting from top to bottom. After the assembly, the upper positive plate, the upper ground plate and the upper negative plate are positioned on the joint 23 and can be adapted to the J-shaped power supply guide rail 9 to obtain power, and the lower positive plate, the lower ground plate and the lower negative plate are positioned on the bottom surface of the joint cover 21 in a shape like a Chinese character 'pin' and can respectively correspond to the first positive conductive elastic sheet 311, the first ground conductive elastic sheet 312 and the first negative conductive elastic sheet 313 on the fixed seat 3.

Description of the invention for the removal and replacement of joint assemblies:

because the shell serving as a shared part and the various joint components serving as replaceable accessories are combined, for a manufacturer, when a new track lamp is designed, only one shell for mounting the lamp and the joint components corresponding to different power supply guide rails need to be designed, so that the production cost is reduced, and the joint components can be selected and purchased by end users; for a seller, the size of the replaceable joint component is smaller, so that the storage space can be reduced, the joint component can be sold separately as an accessory, the damage to the replaceable joint component is facilitated, and the problem of unsmooth sale or successful sale in a certain region can be solved by replacing the joint component.

When the rail lamp joint structure connected with the lamp is required to be installed on other types of power supply guide rails, the rail lamp joint structure can be realized by replacing the corresponding joint assembly in a screw disassembling mode. Specifically, as shown in fig. 8, the whole track lamp is taken down from the power supply rail 9; then, as shown in fig. 7, the two first screws 211 on the joint cover 21 are loosened and removed to take out the joint assembly 2; then, the corresponding connector assembly 2 adapted to the corresponding power supply rail 9 is clamped into the opening of the housing 1, so that the connector cover 21 and the fixing base 3 clamp and compress the track locking assembly 7, the first positive conductive elastic sheet 311, the first negative conductive elastic sheet 313 and the first ground conductive elastic sheet 312 are respectively and correspondingly abutted against the second positive conductive elastic sheet, the second negative conductive elastic sheet and the second ground conductive elastic sheet in an elastic contact manner, and the track lamp connector assembly with the assembled replacement parts is as shown in fig. 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The track lamp joint structure is characterized by comprising a shell (1) and a detachable and replaceable joint component (2), wherein the shell (1) is of a shell structure with an open top and a cavity, the bottom of the shell (1) is rotatably connected with a support arm (4) used for connecting a lamp (8), a fixed seat (3) is arranged in the cavity of the shell (1), a first conductive elastic sheet component (31) is arranged on the upper surface of the fixed seat (3), and the first conductive elastic sheet component (31) is electrically connected with an electric wire (81) for supplying power to the lamp (8); joint subassembly (2) are including joint lid (21), the electrically conductive shell fragment subassembly of second (22) and integrated into one piece fix joint (23) at joint lid (21) upper surface, joint (23) can with multiple power supply guide rail (9) adaptation joint, joint lid (21) are fixed through a plurality of first screw (211) the opening department of casing (1), the one end setting of the electrically conductive shell fragment subassembly of second (22) is in the lower surface of joint lid (21) and with first electrically conductive shell fragment subassembly (31) is with elastic contact mode butt electric connection, the other end setting of the electrically conductive shell fragment subassembly of second (22) is in connect (23) go up and can with power supply guide rail (9) switch-on is electrically conductive.

2. The track lamp joint structure according to claim 1, wherein an insulating sheet (32) is disposed between the fixing base (3) and the joint cover (21), and the insulating sheet (32) has a clearance hole (321) for electrically connecting the first conductive resilient member (31) and the second conductive resilient member (22).

3. The rail lamp joint arrangement according to claim 1, wherein the joint (23) is a two-wire joint, a three-wire joint or a four-wire joint, and different joints (23) are adapted to engage different supply rails (9).

4. The track light joint structure of claim 1, wherein the first conductive elastic piece assembly (31) includes a first positive conductive elastic piece (311), a first negative conductive elastic piece (313) and a first ground conductive elastic piece (312) which are distributed at intervals, the second conductive elastic piece assembly (22) includes a second positive conductive elastic piece (221A, 221B, 221C), a second negative conductive elastic piece (223A, 223B, 223C) and a second ground conductive elastic piece (222A, 222B, 222C) which are distributed at intervals correspondingly, the first positive conductive elastic piece (311) is electrically connected with the second positive conductive elastic piece (221A, 221B, 221C), the first negative conductive elastic piece (313) is electrically connected with the second negative conductive elastic piece (223A, 223B, 223C), and the first ground conductive elastic piece (312) is electrically connected with the second ground conductive elastic piece (222A, 221B, 221C), 222B, 222C).

5. The track light joint structure of claim 1, wherein the support arm (4) has a channel (41) therein communicating with the cavity in the housing (1), and the electric wire (81) is inserted into the channel (41).

6. The track lamp joint structure according to any one of claims 1 to 5, wherein the bottom wall of the housing (1) has a circular mounting hole (11), the upper portion of the support arm (4) is provided with a cylinder (42) adapted to the mounting hole (11) in a clamping manner, the periphery of the cylinder (42) is provided with an annular convex edge (43) abutted to the lower surface of the bottom wall of the housing (1) through an elastic gasket (5), and the upper surface of the bottom wall of the housing (1) is provided with a stop piece (6) connected to the cylinder (42) through a second screw (62).

7. The rail lamp joint structure as claimed in claim 6, wherein the stop piece (6) is provided with a first protrusion (61), and the upper surface of the bottom wall of the housing (1) is provided with a second protrusion (12) capable of abutting against the first protrusion (61).

8. The track light joint structure of claim 6, wherein the upper surface of the bottom wall of the housing (1) is provided with a supporting convex ring (13), and the supporting convex ring (13) is provided at the outer periphery of the stop piece (6).

9. The rail lamp joint structure according to claim 1, wherein a rail locking assembly (7) is disposed on a side surface of the housing (1), the rail locking assembly (7) includes a locking plate (71) and a spring (72), the housing (1) is provided with a guide groove (14) for the locking plate (71) to slide up and down, an accommodating cavity (15) for accommodating the spring (72) is disposed between the fixing seat (3) and the housing (1), the accommodating cavity (15) is provided with a slot (151) at a side close to the locking plate (71), the locking plate (71) is provided with a pressing block (711) inserted into the slot (151) for pressing the spring (72), and a pressing block (712) is disposed at a lower portion of the locking plate (71).

10. The rail lamp joint structure as claimed in claim 9, wherein the locking plate (71) is provided with a stopper (713), and the joint cover (21) is provided with a stopper recess (212) for limiting the up-and-down movement of the stopper (713).