CN220417226U - Guide rail and lighting fixture - Google Patents

Abstract

The utility model relates to the technical field of lighting lamps and lanterns, and provides a guide rail strip and a lighting lamp, wherein the guide rail strip comprises a guide rail body, a metal wire arranged in the guide rail body, a junction box arranged at one end of the guide rail body, an L/N junction terminal and a ground wire junction terminal; the L/N wiring terminal comprises a first conductive part, a second conductive part and a first fastener, wherein the first conductive part and the second conductive part are elastically spliced with the metal wire, the first conductive part and the second conductive part are integrally formed, and the first fastener is arranged on the second conductive part in a penetrating way so as to compress the external L/N wire; the inner bottom surface of the guide rail body comprises a grounding surface of bare metal, the ground wire connecting terminal comprises a third conductive part, a fourth conductive part and a second fastener, the third conductive part and the fourth conductive part are integrally formed, the second fastener is arranged on the third conductive part in a penetrating mode to compress an external ground wire, and the fourth conductive part is arranged between the junction box and the guide rail body and is in direct contact with the grounding surface. The utility model can solve the problems of complex wiring and higher cost of the existing guide rail.

Description

Guide rail and lighting fixture

Technical Field

The utility model relates to the technical field of lighting fixtures, in particular to a guide rail and a lighting fixture.

Background

The guide rail type lamp is more and more widely applied to places such as stages, exhibition stands and the like, and has the characteristics of simplicity in installation, convenience in disassembly and flexibility and variability. The guide rail type lamp generally comprises a guide rail lamp and a guide rail strip matched with the guide rail lamp, wherein the guide rail lamp is arranged on the guide rail strip and can slide on the guide rail strip, adjust the irradiation angle and the like. The existing three-wire guide rail strip comprises a fire wire, a zero wire and a ground wire, the two sides of the existing three-wire guide rail strip are commonly divided into two sides, the ground wire is generally arranged on the same side as the fire wire or the zero wire, and compared with the guide rail strip with two wires, the guide rail strip is safer in the use process, but the manufacturing cost is increased. And, the tip of guide rail strip is general to be connected with the terminal box that supplies to be connected with the commercial power, and the terminal box is general to be connected with the live wire of guide rail strip, zero line and ground wire through the bolt respectively and carries out the line ball electricity, and this kind of wiring mode is comparatively complicated, and spare part in the terminal box is more, leads to the further rising of cost.

Therefore, a new solution is needed to solve the above technical problems.

Disclosure of Invention

The utility model provides a guide rail strip and a lighting lamp, which are used for solving the problems of complex wiring and high cost of the existing guide rail strip.

The utility model provides a guide rail strip which is used for being matched with a guide rail lamp, and comprises a guide rail assembly and a junction box assembly, wherein the guide rail assembly comprises a guide rail body and metal wires respectively arranged at two sides of the interior of the guide rail body in an insulating manner, and the inner bottom surface of the guide rail body comprises a grounding surface of bare metal; the junction box assembly comprises a junction box arranged at one end of the guide rail body, and an L/N junction terminal and a ground wire junction terminal which are arranged on the junction box;

the L/N wiring terminal comprises a first conductive part elastically spliced with the metal wire, a second conductive part for accommodating an external L/N wire and a first fastener, wherein the first conductive part and the second conductive part are integrally formed, and the first fastener is arranged on the second conductive part in a penetrating way so as to compress the external L/N wire; the ground wire binding post includes third conductive part, fourth conductive part and second fastener, the third conductive part with the fourth conductive part is integrative to be formed, the second fastener wears to establish on the third conductive part in order to compress tightly outside ground wire, the fourth conductive part presss from both sides to be located between terminal box and the guide rail body and with ground plane direct contact.

According to the guide rail strip provided by the utility model, the first conductive part is formed by winding and is provided with a gap at the winding joint, the first conductive part is provided with a metal wire cavity for elastically inserting the metal wire, the second conductive part is provided with an L/N wire cavity for accommodating an external L/N wire, the second conductive part is provided with a first wire pressing hole communicated with the L/N wire cavity, and the first fastener is arranged in the first wire pressing hole in a penetrating manner.

According to the guide rail strip provided by the utility model, the ground wire connecting terminal is bent to be fishhook-shaped at the joint of the third conductive part and the fourth conductive part, the third conductive part is provided with the second wire pressing hole penetrating through the third conductive part, and the second fastener is penetrated in the second wire pressing hole.

According to the guide rail strip provided by the utility model, two symmetrical L/N wiring terminal cavities are arranged in the wiring box, each L/N wiring terminal cavity is internally provided with a buckle, and the L/N wiring terminal is fixed in the L/N wiring terminal cavity through the buckle.

According to the guide rail strip provided by the utility model, the outer bottom surface of the junction box is provided with the ground wire wiring terminal cavities, the ground wire wiring terminal cavities are correspondingly positioned between the two L/N wiring terminal cavities, the junction box is also provided with the outer ground wire cavity and the first mounting hole which penetrate through the bottom surface of the junction box and are communicated with the ground wire wiring terminal cavities, and the outer ground wire cavity and the first mounting hole are oppositely arranged at two ends of the outer ground wire cavity;

the fourth conductive part and the grounding surface of the guide rail body are respectively provided with a second mounting hole and a third mounting hole corresponding to the first mounting hole, the fourth conductive part is embedded into the ground wire wiring terminal cavity, the third conductive part is bent into the junction box, and the second fastener sequentially penetrates through the second wire pressing hole and the external ground wire cavity; the junction box assembly further comprises a third fastener, and the third fastener sequentially penetrates through the third mounting hole, the second mounting hole and the first mounting hole to fix the ground wire junction terminal and the junction box on the guide rail body.

According to the guide rail provided by the utility model, the junction box assembly further comprises a junction box cover matched with the junction box, and the junction box cover is installed on the junction box;

the inner bottom surface of the junction box is provided with a first anti-falling pull plate, the inner top surface of the junction box cover is provided with a second anti-falling pull plate, the first anti-falling pull plate and the second anti-falling pull plate are both positioned on one side, far away from the guide rail body, of the L/N wiring terminal and the ground wire wiring terminal, the first anti-falling pull plate and the second anti-falling pull plate are parallel and are arranged in a staggered mode, and one side, opposite to the second anti-falling pull plate, of the first anti-falling pull plate is of a toothed structure; the first anti-falling pull plate and the second anti-falling pull plate are used for clamping the external L/N lead and the external ground wire penetrating into the junction box.

According to the guide rail strip provided by the utility model, the guide rail assembly further comprises insulating strips which are symmetrically arranged in the guide rail body and respectively abut against the two inner side surfaces of the guide rail body, the two insulating strips are respectively provided with a first accommodating cavity for accommodating the metal wires, the two metal wires are respectively arranged in the two first accommodating cavities, opposite sides of the two insulating strips are respectively provided with a through hole communicated with the first accommodating cavities, and the first accommodating cavities and the through holes penetrate through the insulating strips along the extending direction of the insulating strips.

The guide rail strip provided by the utility model further comprises an end cover, wherein the end cover is arranged opposite to the junction box and is arranged at the other end of the guide rail body, a second accommodating cavity corresponding to the metal wire is formed in one surface of the end cover facing the guide rail body, and one end, close to the end cover, of the metal wire is arranged in the second accommodating cavity.

According to the guide rail strip provided by the utility model, the guide rail body comprises an aluminum shell and an insulating coating layer positioned on the surface of the aluminum shell, the inner bottom surface of the guide rail body comprises the ground plane exposing the aluminum shell, an opening is formed in the top surface of the guide rail body, anti-reverse mounting ribs are arranged on one side of the opening, and the ground plane, the opening and the anti-reverse mounting ribs penetrate through the guide rail body along the extending direction of the guide rail body.

The utility model also provides a lighting fixture, which comprises the guide rail strip.

The technical scheme of the utility model has the following beneficial effects:

according to the guide rail strip and the lighting lamp, the part of the inner bottom surface of the guide rail body is set to be the grounding surface with exposed metal, and the grounding wire connecting terminal is directly contacted with the grounding surface to realize grounding connection, so that the guide rail body is not required to be additionally provided with a grounding metal wire, and the cost can be reduced; in addition, the first conductive part of the L/N wiring terminal is elastically spliced and fixed with the metal wire, the second conductive part of the L/N wiring terminal is tightly pressed and fixed with an external L/N wire through the first fastener penetrating through the second conductive part, so that the use of one fastener and the manufacture of one wire pressing hole can be reduced, and the cost can be further reduced; in addition, the first conductive part and the second conductive part are integrally formed, and the third conductive part and the fourth conductive part of the ground wire connecting terminal are integrally formed, so that the external wire pressing terminal and the conductive contact spring terminal which are originally designed separately in the traditional structure are combined into one part, and the structure can be simplified; and because the L/N wiring terminal is elastically spliced with the metal wire, the ground wire wiring terminal is in direct contact connection with the ground plane, thereby solving the problem of complex wiring of the existing guide rail strip.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a guide rail provided by an embodiment of the present utility model;

FIG. 2 is an assembly view of a guide rail provided by an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a guide rail body of a guide rail bar according to an embodiment of the present utility model;

FIG. 4 is a schematic rear view of the rail body shown in FIG. 3;

FIG. 5 is a schematic view of a structure of an insulating strip of a guide rail according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a junction box assembly according to one embodiment of the present utility model;

FIG. 7 is an exploded view of an L/N connection terminal according to one embodiment of the present utility model;

FIG. 8 is an assembly view of the L/N connection terminal shown in FIG. 7;

FIG. 9 is an exploded view of an L/N connection terminal according to another embodiment of the present utility model;

FIG. 10 is a schematic plan view of the first conductive portion of the L/N terminal shown in FIG. 9 facing away from the first fastener;

fig. 11 is an exploded view of a ground connection terminal according to an embodiment of the present utility model;

FIG. 12 is a schematic elevational view of the junction box assembly shown in FIG. 6;

FIG. 13 is a schematic view of the rear face structure of the junction box in the junction box assembly shown in FIG. 6;

FIG. 14 is an exploded view of a junction box assembly according to another embodiment of the present utility model;

FIG. 15 is an assembly view of the L/N terminal and ground terminal of the terminal block assembly shown in FIG. 14 mounted on the terminal block;

FIG. 16 is a schematic view of the internal structure of the junction box cover in the junction box assembly shown in FIG. 14;

FIG. 17 is a schematic structural view of an end cap according to an embodiment of the present utility model;

fig. 18 is a schematic structural diagram of a lighting fixture according to an embodiment of the present utility model;

fig. 19 is an enlarged schematic view of area a of the light fixture shown in fig. 18.

Reference numerals:

1. a guide rail body; 2. an insulating strip; 3. a metal wire; 4. a junction box; 5. L/N connecting terminals; 6. a ground wire connection terminal; 7. a junction box cover; 8. an end cap; 11. a ground plane; 12. a third mounting hole; 13. an opening; 14. anti-reverse reinforcement; 15. an insulating strip cavity; 16. u-shaped mounting holes; 21. a first housing chamber; 22. a through port; 23. l-shaped clamping ribs; 41. L/N wiring terminal cavity; 42. a ground wire connecting terminal cavity; 43. an external ground cavity; 44. a buckle; 45. a first mounting hole; 46. a junction box cover mounting post; 47. the first anti-falling pull-out plate; 48. anti-drop and anti-pull line support column; 401. a third fastener; 402. a dielectric spacer; 403. a fourth fastener; 411. a first conductive portion cavity; 412. a second conductive portion cavity; 51. a first conductive portion; 52. a second conductive portion; 53. a first fastener; 54. a slit; 55. a connection part; 56. slotting; 510. a wire lumen; 520. an L/N wire lumen; 521. a first wire pressing hole; 5100. a chamfering structure; 5101. a circular wire guide; 5102. a first square wire groove; 5103. a second square wire groove; 5201. a first fold surface; 5202. a second fold; 5203. a third folding surface; 5204. a fourth fold; 5205. a fifth folding surface; 5206. a clamping tongue; 5207. a clamping groove; 5211. a through hole; 5212. a threaded hole; 511. a convex portion; 512. a concave portion; 61. a third conductive portion; 62. a fourth conductive portion; 63. a second fastener; 611. a second wire pressing hole; 612. a ground wire mark; 621. a second mounting hole; 71. the second anti-falling pull-out plate; 72. the holes are easy to warp and fall; 81. a second housing chamber; 82. fixing ribs; 83. a fourth mounting hole; 801. a fifth fastener; 100. a guide rail; 200. a lighting lamp; 201. L/N spring plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present utility model provides a rail for use with a rail lamp, the rail including a rail assembly, a terminal block assembly, and end caps 8, the terminal block assembly and the end caps 8 being mounted to both ends of the rail assembly, respectively. Specifically, the guide rail assembly comprises a guide rail body 1, and two insulating strips 2 and two metal wires 3 which are positioned in the guide rail body 1 and are oppositely arranged. The two insulating strips 2 are symmetrically arranged and respectively propped against the two inner side faces of the guide rail body 1, one metal wire 3 is contained in each insulating strip 2, and through holes exposing the metal wires 3 are formed in the opposite sides of the two insulating strips 2. Wherein the insulating strip 2 may insulate the wire 3 from the rail body 1. One of the two wires 3 is a live wire, and the other wire 3 is a neutral wire. The inner bottom surface of the rail body 1 comprises a bare metal ground plane, which is located in correspondence of the spacing area between the two insulating strips 2.

The terminal block assembly includes a terminal block 4, an L/N terminal block 5, a ground terminal block 6, a terminal block cover 7, a third fastener 401, a dielectric spacer 402, and a fourth fastener 403. Two L/N binding post 5 are installed in terminal box 4 and correspond the setting with two metal wires 3 respectively, and a ground wire binding post 6 is installed in the bottom of terminal box 4 and corresponds the setting with the ground plane of the interior bottom surface of guide rail body 1. The junction box cover 7 is mounted on the junction box 4 by a third fastener 401, and the junction box cover 7 covers the junction box 4 to protect the L/N terminal 5, the ground terminal 6, and the like. The junction box 4 includes an insertion end for insertion into the interior of the rail body 1 and a terminal for connection of an external wire, and is mounted on the rail body 1 by inserting the insertion end into the head end of the rail body 1 after the junction box assembly is assembled, and using the third fastener 401 and the dielectric spacer 402. Wherein, two L/N binding post 5 respectively with two metal wires 3 elasticity grafting, ground wire binding post 6 presss from both sides and establishes between terminal box 4 and guide rail body 1 and with the ground plane direct contact of guide rail body 1 inner bottom surface.

Referring to fig. 1-2 and fig. 7-9, the L/N connection terminal 5 of the present utility model includes a first conductive portion 51 elastically inserted into the metal wire 3, a second conductive portion 52 accommodating an external L/N wire, and a first fastener 53, wherein the first conductive portion 51 and the second conductive portion 52 are integrally formed, and the first fastener 53 is disposed on the second conductive portion 52 in a penetrating manner to compress the external L/N wire. In this embodiment, since the first conductive portion 51 and the second conductive portion 52 are integrally formed, the external L/N wire pressing terminal and the L/N conductive contact spring terminal, which are originally designed separately in the conventional structure, are combined into one part, so that the use of one fastener and the manufacture of one wire pressing hole are reduced, and the L/N wire pressing terminal 5 is simple in structure and low in cost.

Referring to fig. 1-2 and 11, the ground connection terminal 6 of the present utility model includes a third conductive portion 61, a fourth conductive portion 62 and a second fastener 63, where the third conductive portion 61 and the fourth conductive portion 62 are integrally formed, the second fastener 63 is threaded on the third conductive portion 61 to compress the external ground, and after the rail is assembled, the fourth conductive portion 62 is clamped between the junction box 4 and the rail body 1, so that the fourth conductive portion 62 can directly contact with the ground surface to realize grounding without using a fastener to press the line. Because the third conductive part 61 and the fourth conductive part 62 are also integrally formed, the external ground wire pressing terminal and the ground wire conductive contact spring terminal which are originally designed in a split manner in the traditional structure are combined into one part, so that the ground wire connecting terminal 6 has a simple structure and is low in cost.

In addition, in the wiring process of the junction box assembly and the guide rail assembly, the L/N wiring terminal 5 is elastically spliced with the metal wire 3, and the ground wire wiring terminal 6 is directly contacted and connected with the grounding surface of the guide rail body 1, so that the problem of complex wiring of the existing guide rail strip is solved.

Referring to fig. 3, an opening 13 is formed on the top surface of the rail body 1, the opening 13 is used for installing a rail lamp and a rail bar, and an insulating bar cavity 15 for accommodating the insulating bar 2 is formed by enclosing the top surface, the side surface and the bottom surface of the rail body 1. The guide rail body 1 comprises an aluminum shell and an insulating coating (such as insulating paint) coated on the surface of the aluminum shell, the inner bottom surface of the guide rail body 1 comprises a grounding surface 11 exposed out of the aluminum shell, and the grounding surface 11 is arranged corresponding to the opening 13. That is, when the insulating coating is manufactured on the surface of the aluminum shell, the insulating coating can avoid the area where the grounding surface 11 is positioned; or the aluminum shell in the area of the contact surface 11 is surface treated so that the insulating coating will not deposit or adhere in this area. The top surface at the guide rail body 1 is equipped with and prevents anti-dress muscle 14, prevents that anti-dress muscle 14 is located the one side of opening 13 and protrusion in the top surface of guide rail body 1, when installing lamps and lanterns on the guide rail strip, owing to prevent that anti-dress muscle 14's setting makes lamps and lanterns can only follow the unidirectional installation to the guide rail strip, can avoid lamps and lanterns dress to be anti-reflective. The ground plane 11, the opening 13, and the anti-reverse rib 14 all penetrate through the entire guide rail body 1 along the extending direction of the guide rail body 1.

Referring to fig. 3 and 4, two ends of the bottom surface of the guide rail body 1 are respectively provided with a third mounting hole 12 and a U-shaped mounting hole 16 penetrating through the bottom surface, the third mounting holes 12 and the U-shaped mounting holes 16 are respectively located in the area where the ground plane 11 is located, the two U-shaped mounting holes 16 are located between the two third mounting holes 12, the two third mounting holes 12 are respectively used for mounting a guide rail assembly and a junction box assembly and mounting a guide rail assembly and an end cover 8, and the two U-shaped mounting holes 16 are used for mounting a guide rail bar and a mounting surface (such as a wall surface).

Referring to fig. 5, each insulating strip 2 is provided with a first accommodating cavity 21 for accommodating the metal wire 3, a through hole 22 communicated with the first accommodating cavity 21, and two L-shaped clamping ribs 23 symmetrically arranged. The two insulating strips 2 are symmetrically inserted into the insulating strip cavity 15 of the guide rail body 1, the L-shaped clamping ribs 23 of the two insulating strips 2 are propped against the inner side surface of the guide rail body 1, the two metal wires 3 are respectively arranged in the two first accommodating cavities 21, and the opposite sides of the two insulating strips 2 are respectively provided with a through hole 22 communicated with the first accommodating cavities 21. The first receiving cavity 21 and the through opening 22 each penetrate through the whole insulating strip 2 along the extending direction of the insulating strip 2.

Further, the cross-section of the through opening 22 is V-shaped, and the opening width of the through opening 22 at the side far from the first accommodating cavity 21 is larger than the opening width at the side near to the first accommodating cavity 21. When the guide rail lamp is matched with the guide rail lamp, the V-shaped through hole 22 can facilitate the L/N elastic sheet on the guide rail lamp to be screwed in smoothly, so that the guide rail lamp is ensured to be electrically connected with the metal wire 3 in the first accommodating cavity 21.

Referring to fig. 6, in one embodiment of the present utility model, the terminal block assembly includes a terminal block 4, two L/N terminals 5, a ground terminal 6, a terminal block cover 7, a third fastener 401, a dielectric washer 402, and a fourth fastener 403.

Specifically, referring to fig. 7 and 8, each L/N connection terminal 5 includes a first conductive portion 51, a second conductive portion 52, a connection portion 55, and a first fastener 53. The first conductive part 51, the second conductive part 52 and the connecting part 55 are integrally formed, the connecting part 55 is located between the first conductive part 51 and the second conductive part 52 and is used for electrically connecting the first conductive part 51 and the second conductive part 52, the first conductive part 51 is provided with a metal wire cavity 510 for elastically inserting the metal wire 3, the second conductive part 52 is provided with an L/N wire cavity 520 for accommodating an external L/N wire, the second conductive part 52 is also provided with a first wire pressing hole 521 communicated with the L/N wire cavity 520, and the first fastener 53 is arranged in the first wire pressing hole 521 in a penetrating mode so as to press the external L/N wire.

Wherein, the metal wire 3 can be elastically inserted into the metal wire cavity 510 to be electrically connected with the first conductive part 51, and the external L/N wire can be inserted into the L/N wire cavity 520 to be electrically connected with the second conductive part 52. When the wire 3 is inserted into the wire cavity 510, the first conductive part 51 is elastically inserted into the wire 3, thereby fixing the wire 3 on the first conductive part 51.

Specifically, the first conductive portion 51 is wound and formed, and a slit 54 is formed at a winding junction of the first conductive portion 51, so that the first conductive portion 51 is wound in a non-closed cylindrical shape. Wherein the slit 54 extends from an end of the first conductive portion 51 away from the second conductive portion 52 to an end near the second conductive portion 52.

Further, the slit 54 penetrates from the end surface of the first conductive portion 51 away from the second conductive portion 52 to the end surface of the first conductive portion 51 close to the second conductive portion 52. Wherein the slit 54 extends in the axial direction of the first conductive part 51, or the slit 54 extends spirally around the central axis of the first conductive part 51. The gap 54 is arranged to adjust the inner diameter of the first conductive part 51, and when the width of the gap 54 is increased, the inner diameter of the first conductive part 51 is also increased; when the width of the slit 54 is reduced, the inner diameter dimension of the first conductive portion 51 is also reduced. In this way, the first conductive portion 51 can be made elastic in its radial direction. When the wire 3 is inserted into the wire cavity 510, the first conductive part 51 can clamp the wire 3 by using the elasticity thereof, so that the wire 3 can be fixed without using additional fasteners such as bolts.

Further, the wire cavity 510 includes a circular wire guide 5101 and a square wire groove, which are connected, the circular wire guide 5101 is formed by winding the first conductive portion 51, and the square wire groove is formed by the slit 54. That is, the slit 54 is a square wire groove in this embodiment. The circular wire hole 5101 is used for being inserted into the circular metal wire 3, and the square wire groove is used for being inserted into the square metal wire 3, so that the L/N connecting terminal of the present embodiment is suitable for connection of circular and square wires. However, conventional L/N terminals are generally adapted for one-shape wire connection only.

Further, the end of the square wire groove away from the second conductive part 52 is provided with a chamfer structure, thereby facilitating insertion of round and square wires.

The second conductive portion 52 of the L/N connection terminal 5 includes a first folded surface 5201, a second folded surface 5202, a third folded surface 5203, a fourth folded surface 5204, and a fifth folded surface 5205, which are sequentially connected, and the first folded surface 5201, the second folded surface 5202, the third folded surface 5203, the fourth folded surface 5204, and the fifth folded surface 5205 enclose to form the L/N wire cavity 520. Wherein, one side that second folded face 5202 was kept away from to first folded face 5201 is equipped with two block tongues 5206, is equipped with two draw-in grooves 5207 with block tongues 5206 assorted between fourth folded face 5204 and the fifth folded face 5205, and first folded face 5201 overlaps the setting with the fifth folded face 5205 after the second electrically conductive portion 52 is bent to the block tongues 5206 card on the first folded face 5201 is established in draw-in grooves 5207, so that fix the second electrically conductive portion 52 after bending, make its structure maintain stable.

The first folded surface 5201, the second folded surface 5202, the fourth folded surface 5204 and the fifth folded surface 5205 are all planes, and the third folded surface 5203 is an arc surface, so that the second conductive portion 52 is in a structure above the lower circle after being bent.

The first pressing hole 521 includes a through hole 5211 located on the fifth folded surface 5205 and a threaded hole 5212 located on the first folded surface 5201, and the through hole 5211 corresponds to the threaded hole 5212.

In one embodiment, the wire lumen 510 communicates with the L/N wire lumen 520. Specifically, the central axes of the circular wire guide 5101 and the L/N wire guide 520 coincide, and the coaxial arrangement of the L/N wire guide 520 and the circular wire guide 5101 can facilitate the overlapping of the metal wire 3 and the external L/N wire.

Referring to fig. 8, in the process of using the L/N connection terminal 5, the first fastener 53 is mounted on the second conductive portion 52 through the first wire pressing hole 521 on the second conductive portion 52. A slot 56 is also provided between the first conductive portion 51 and the second conductive portion 52, and the first conductive portion 51 and the second conductive portion 52 are spaced apart by the slot 56. The slot 56 may be formed by tearing a portion between the first conductive portion 51 and the second conductive portion 52 to form a notch by using a hardware molding process. Bending and forming of the first conductive portion 51 and the second conductive portion 52 can be facilitated by providing the groove 56 between the first conductive portion 51 and the second conductive portion 52.

In one embodiment, the relative positions of the first conductive portion 51 and the second conductive portion 52 may be adjusted by bending the connection portion 55.

In one embodiment, the first fastener 53 includes, but is not limited to, a screw.

Referring to fig. 9, the L/N connection terminal of the present embodiment is similar to the L/N connection terminal of the above embodiment in structure, except that: the square wire groove of the present embodiment includes a first square wire groove 5102 formed by a portion of the slit 54. Specifically, the first conductive portion 51 is provided with a protrusion 511 and a recess 512 on both end surfaces corresponding to the slit 54, the protrusion 511 and the recess 512 on the opposite end surfaces are symmetrically disposed, and the recess 512 is located on a side of the protrusion 511 away from the second conductive portion 52, wherein the first square-shaped conductive groove 5102 is formed by a gap between the recesses 512 on both end surfaces of the first conductive portion 51. The first square wire groove 5102 is used for being elastically inserted with the square metal wire 3, and the convex part 511 can limit the metal wire 3, so that the insertion depth of the metal wire 3 is prevented from being too deep. Particularly when wire lumen 510 is in communication with L/N wire lumen 520, the provision of protrusion 511 prevents wire 3 from plugging into L/N wire lumen 520 to affect external L/N wire connections.

Further, a chamfer structure 5100 is provided at an end of the first square wire groove 5102 remote from the second conductive portion 52, thereby facilitating insertion of round and square wires.

The other structures of the L/N connection terminal of the present embodiment are the same as those of the L/N connection terminal of the above embodiment, so that the L/N connection terminal of the above embodiment also has the technical effects, and specific reference is made to the description of the above embodiment, and details are not repeated herein.

Referring to fig. 10, in some embodiments of the present utility model, the wire cavity 510 further includes a second square wire groove 5103 disposed opposite to the first square wire groove 5102, the second square wire groove 5103 is in communication with the circular wire hole 5101, and the second square wire groove 5103 is also used for connecting the first conductive portion 51 with the square wire. The length and the groove width of the second square wire groove 5103 are equal to those of the first square wire groove 5102.

It can be appreciated that the second square wire groove 5103 is spaced from the end face of the first conductive portion 51, which is close to the second conductive portion 52, by a certain distance, so that the end of the first conductive portion 51, which is close to the second conductive portion 52, has a tighter restraining force in the radial direction while playing a limiting role, thereby improving the reliability of connection between the metal wire 3 and the first conductive portion 51.

In some embodiments of the present utility model, the first conductive portion 51 has two slits 54 formed therein, and the second square wire groove 5103 is also formed by a portion of one of the slits 54. Specifically, the second square conductive groove 5103 has the same structure as the first square conductive groove 5102, and detailed description of the first square conductive groove 5102 is omitted herein.

Referring to fig. 11, the ground connection terminal 6 includes a third conductive portion 61 and a fourth conductive portion 62, and the third conductive portion 61 and the fourth conductive portion 62 are integrally formed. The ground wire connecting terminal 6 is bent to be fishhook-shaped at the junction of the third conductive part 61 and the fourth conductive part 62, the third conductive part 61 is provided with a second wire pressing hole 611 penetrating through the third conductive part 61, and the second fastener 63 is used for penetrating through the second wire pressing hole 611. In addition, a ground mark 612 may be disposed on a side of the third conductive portion 61 facing away from the fourth conductive portion 62, so as to facilitate external ground connection. Wherein, the end of the fourth conductive part 62 far from the third conductive part 61 is provided with a second mounting hole 621 penetrating the fourth conductive part 62.

Referring to fig. 12 and 13, two symmetrical L/N terminal cavities 41 are provided in the terminal box 4, and each L/N terminal cavity 41 can correspondingly accommodate one L/N terminal 5. Each L/N wiring terminal cavity 41 includes a first conductive portion cavity 411 corresponding to the first conductive portion 51 of the L/N wiring terminal 5 and a second conductive portion cavity 412 corresponding to the second conductive portion 52 of the L/N wiring terminal 5, the first conductive portion cavity 411 being in communication with the second conductive portion cavity 412. For the stability of the installation of the L/N connection terminal 5, the shapes of the first conductive part cavity 411 and the second conductive part cavity 412 may be matched with the shapes of the first conductive part 51 and the second conductive part 52, and the L/N connection terminal 5 may be prevented from shaking left and right or rotating circumferentially after installation. It will be appreciated that, in order to ensure the elasticity of the first conductive portion 51 in the circumferential direction, the inner diameter of the first conductive portion cavity 411 is larger than the outer diameter of the first conductive portion 51, so that a certain redundant space is left between the first conductive portion 51 and the inner wall of the first conductive portion cavity 411 for the first conductive portion 51 to adjust the inner diameter dimension. In addition, in consideration of the convenience of mounting the L/N connection terminal 5, the second conductive portion chamber 412 may be provided in a half-open structure, that is, the upper portion of the junction box 4 corresponding to the second conductive portion chamber 412 is hollowed-out, so that the L/N connection terminal 5 is conveniently taken and placed.

Further, a buckle 44 is provided in each L/N terminal cavity 41, and the L/N terminal 5 is fixed in the L/N terminal cavity 41 by the buckle 44. Specifically, during the process of inserting the L/N terminal 5 into the first conductive portion cavity 411 and the second conductive portion cavity 412, the L/N terminal 5 contacts the buckle 44, the buckle 44 is pressed down after receiving the pressure of the L/N terminal 5, and when the L/N terminal 5 passes through the buckle 44, the pressure of the buckle 44 is released to pop up to clamp the L/N terminal 5, so as to prevent the L/N terminal 5 from being pulled out of the L/N terminal cavity 41. Specifically, when the L/N connection terminal 5 is mounted, the buckle 44 may be clamped to an end of the second conductive portion 52 on a side away from the first conductive portion 51.

Wherein, be equipped with a ground wire binding post chamber 42 on the outer bottom surface of terminal box 4, ground wire binding post chamber 42 corresponds to be located between two L/N binding post chambers 41, and ground wire binding post chamber 42 is used for installing ground wire binding post 6. The junction box 4 is further provided with an external ground wire cavity 43 and a first mounting hole 45 which penetrate through the bottom surface of the junction box 4 and are communicated with the ground wire terminal cavity 42, and the external ground wire cavity 43 and the first mounting hole 45 are oppositely arranged at two ends of the external ground wire cavity 43. The external ground cavity 43 is used for accommodating an external ground, and the first mounting holes 45 respectively correspond to the second mounting holes 621 of the ground connection terminal 6 and the third mounting holes 12 of the guide rail body 1, and can be used for further fixing the ground connection terminal 6 and the junction box 4 and for mounting and fixing the junction box 4 and the guide rail body 1.

The fourth conductive part 62 of the ground terminal 6 is embedded in the ground terminal cavity 42, the third conductive part 61 of the ground terminal 6 is bent into the junction box 4, and the second wire pressing hole 611 of the ground terminal 6 corresponds to the external ground cavity 43. The second fastener 63 is sequentially inserted into the second wire pressing hole 611 and the external ground wire cavity 43 to press the external ground wire while the ground wire connection terminal 6 is mounted on the junction box 4.

Referring to fig. 1, 3, 11 and 13, after the L/N terminal 5 and the ground terminal 6 are mounted on the terminal box 4, the insertion end of the terminal box 4 is inserted into the guide rail assembly, and the end of the wire 3 is inserted into the wire cavity 510 of the L/N terminal 5, so that the wire 3 is elastically inserted into the first conductive portion 51, thereby fixing and electrically conducting the wire 3 and the first conductive portion 51 of the L/N terminal 5. The junction box assembly further comprises a third fastening piece 401 and a dielectric spacer 402, the dielectric spacer 402 can be a piercing dielectric spacer, the dielectric spacer 402 is sleeved on the third fastening piece 401, and then the third fastening piece 401 sequentially passes through the third mounting hole 12, the second mounting hole 621 and is mounted in the first mounting hole 45, so that the mounted junction box 4 is fixed on the guide rail body 1. In the process of locking the third fastener 401, the puncture pattern spacer is extruded to puncture the insulating coating on the outer bottom surface of the guide rail body 1, and meanwhile, the fourth conductive part 62 of the ground wire connecting terminal 6 is further attached to the grounding surface 11 on the inner bottom surface of the guide rail body 1 to achieve close contact, so that the grounding continuity is ensured.

Referring to fig. 6 and 12, the junction box assembly further includes a fourth fastener 403 for fastening the junction box 4 and the junction box cover 7. The junction box 4 is further internally provided with a junction box cover mounting column 46, the junction box cover mounting column 46 is provided with a threaded hole along the axial direction, the top surface of the junction box cover 7 is provided with a first through hole corresponding to the threaded hole, and the fourth fastener 403 penetrates through the first through hole and is mounted in the threaded hole of the junction box cover mounting column 46, so that the junction box cover 7 and the junction box 4 are mounted. In addition, the side surface of the junction box cover 7 far away from one side of the guide rail assembly is provided with an easy-to-tilt hole 72, the easy-to-tilt hole 72 can tilt off, and then an L wire, an N wire and a ground wire of the mains supply penetrate into the junction box cover 7 from the easy-to-tilt hole 72. Wherein the L-wire and the N-wire are inserted into the L/N-wire cavities 520 of the second conductive parts 52 of the two L/N connection terminals 5, respectively, and the first fasteners 53 are locked to compress the L-wire and the N-wire. The ground wire of the mains electricity is inserted into the outer ground wire cavity 43 and the second fastener 63 is tightened to compress the ground wire.

Referring to fig. 14, 15 and 16, in another embodiment of the present utility model, the terminal block assembly includes one terminal block 4, two L/N terminals 5, one ground terminal 6, one terminal block cover 7, one third fastener 401, one dielectric washer 402 and three fourth fasteners 403. The structures of the L/N connection terminal 5, the ground connection terminal 6, the third fastening member 401, the dielectric washer 402 and the fourth fastening member 403 are the same as those in the above embodiment, and will not be described herein. The difference is that: the terminal box 4 of this embodiment is equipped with two first anticreep stretch-proofing board 47 and two anticreep stretch-proofing line ball support column 48 on the interior bottom surface, be equipped with a second anticreep stretch-proofing board 71 on the interior top surface of terminal box cover 7, first anticreep stretch-proofing board 47 and second anticreep stretch-proofing board 71 all are located L/N binding post 5 and one side that ground wire binding post 6 kept away from guide rail body 1, two first anticreep stretch-proofing boards 47 all are parallel and dislocation set with second anticreep stretch-proofing board 71, two anticreep stretch-proofing line ball support column 48 are located between two first anticreep stretch-proofing boards 47, and second anticreep stretch-proofing board 71 corresponds and is located between two anticreep stretch-proofing line ball support column 48. Wherein, the opposite sides of the first anti-drop pulling plate 47 and the second anti-drop pulling plate 71 are both in tooth-shaped structures. The two anti-drop tension-preventing line support columns 48 are provided with threaded holes extending radially along the same, the top surface of the junction box cover 7 is provided with three first through holes corresponding to the junction box cover mounting columns 46 and the three threaded holes on the anti-drop tension-preventing line support columns 48, and the three fourth fasteners 403 penetrate through the three first through holes of the junction box cover 7 to mount the junction box cover 7 on the junction box 4.

Wherein, when the junction box cover 7 is mounted on the junction box 4, the first anti-drop pull plate 47 and the second anti-drop pull plate 71 are used for clamping the external L wire, the external N wire and the external ground wire penetrating into the junction box 4, thereby preventing the external L wire, the external N wire and the external ground wire from being pulled to drop from the L/N junction terminal 5 and the ground wire junction terminal 6. In addition, the distance between the first and second anti-drop tension plates 47 and 71 can be adjusted by adjusting the tightness of the corresponding fourth fasteners 403 on the anti-drop tension wire support columns 48 to adjust the degree of the wire tension to the external L wire, the external N wire and the external ground wire.

Since the ground terminal 6 needs to be wound from the back surface of the terminal box 4 to the inside of the terminal box 4, the terminal box 4 of the present embodiment is provided with a through hole penetrating the bottom surface on the bottom surface for mounting the ground terminal 6.

Other structures of the junction box 4 and the junction box cover 7 of the present embodiment are the same as those of the junction box 4 and the junction box cover 7 of the above embodiment, and specific reference is made to the description of fig. 6 to 13, and details are not repeated here.

Referring to fig. 1, 4 and 17, an end cover 8 is disposed opposite to the junction box 4 and is mounted at the other end of the guide rail body 1, a second accommodating cavity 81 corresponding to the metal wire 3 is disposed on a surface of the end cover 8 facing the guide rail body 1, and one end of the metal wire 3 close to the end cover 8 is disposed in the second accommodating cavity 81. The end cover 8 is provided with two fixing ribs 82 and a fourth mounting hole 83 on the surface facing the guide rail body 1, the two fixing ribs 82 can be respectively clamped with the inner top surfaces of the two sides of the opening of the guide rail body 1, and the fourth mounting hole 83 corresponds to the third mounting hole 12 of the guide rail body 1. After the end cap 8 is inserted into the rail body 1, the fifth fastener 801 passes through the third mounting hole 12 and is fixed in the fourth mounting hole 83 to fix the end cap 8 to the rail body 1.

All the mounting holes in the above embodiments of the present utility model may be threaded holes, and all the fasteners may be screws or bolts, but not limited thereto.

Referring to fig. 18 and 19, an embodiment of the present utility model further provides a lighting fixture including the guide rail 100 and the illumination lamp 200 slidably mounted on the guide rail 100 as described above. The guide rail strip 100 comprises a guide rail body 1, and an insulator 2 and a metal wire 3 which are symmetrically arranged in the guide rail body 1. The conductive connecting end of the lighting lamp 200 is provided with an L/N elastic sheet 201, and after the conductive connecting end of the lighting lamp 200 is inserted into the guide rail body 1, the L/N elastic sheet 201 is in direct contact with the metal wire 3 to realize electric connection.

The lighting device of the present embodiment includes all technical features of the guide rail in the foregoing embodiment, so that the lighting device of the present embodiment also has all technical effects similar to those of the guide rail in the foregoing embodiment, and will not be described herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The guide rail strip is used in cooperation with a guide rail lamp and is characterized by comprising a guide rail assembly and a junction box assembly, wherein the guide rail assembly comprises a guide rail body (1) and metal wires (3) respectively arranged at two sides inside the guide rail body (1) in an insulating manner, and the inner bottom surface of the guide rail body (1) comprises a grounding surface (11) of bare metal; the junction box assembly comprises a junction box (4) arranged at one end of the guide rail body (1), and an L/N wiring terminal (5) and a ground wire wiring terminal (6) which are arranged on the junction box (4);

the L/N wiring terminal (5) comprises a first conductive part (51) which is elastically spliced with the metal wire (3), a second conductive part (52) which accommodates an external L/N wire and a first fastener (53), wherein the first conductive part (51) and the second conductive part (52) are integrally formed, and the first fastener (53) is arranged on the second conductive part (52) in a penetrating way so as to compress the external L/N wire; the ground wire wiring terminal (6) comprises a third conductive part (61), a fourth conductive part (62) and a second fastener (63), wherein the third conductive part (61) and the fourth conductive part (62) are integrally formed, the second fastener (63) is arranged on the third conductive part (61) in a penetrating mode to compress an external ground wire, and the fourth conductive part (62) is clamped between the junction box (4) and the guide rail body (1) and is in direct contact with the ground plane (11).

2. The guide rail according to claim 1, characterized in that the first conductive part (51) is wound and formed with a slit (54) at the winding joint, the first conductive part (51) is provided with a wire cavity (510) for elastic insertion of the wire (3), the second conductive part (52) is provided with an L/N wire cavity (520) for accommodating an external L/N wire, the second conductive part (52) is provided with a first wire pressing hole (521) communicating with the L/N wire cavity (520), and the first fastener (53) is inserted into the first wire pressing hole (521).

3. The guide rail strip according to claim 2, characterized in that the ground connection terminal (6) is bent into a fishhook shape at the junction of the third conductive part (61) and the fourth conductive part (62), a second wire pressing hole (611) penetrating through the third conductive part (61) is formed in the third conductive part (61), and the second fastener (63) is penetrated in the second wire pressing hole (611).

4. A guide rail according to claim 3, characterized in that two symmetrical L/N terminal cavities (41) are provided in the terminal box (4), and that a catch (44) is provided in each L/N terminal cavity (41), the L/N terminal (5) being fixed in the L/N terminal cavity (41) by means of the catch (44).

5. The guide rail strip according to claim 4, wherein a ground wire connecting terminal cavity (42) is arranged on the outer bottom surface of the junction box (4), the ground wire connecting terminal cavity (42) is correspondingly positioned between the two L/N connecting terminal cavities (41), an outer ground wire cavity (43) penetrating through the bottom surface of the junction box (4) and communicated with the ground wire connecting terminal cavity (42) and a first mounting hole (45) are further arranged on the junction box (4), and the outer ground wire cavity (43) and the first mounting hole (45) are oppositely arranged at two ends of the outer ground wire cavity (43);

a second mounting hole (621) and a third mounting hole (12) corresponding to the first mounting hole (45) are respectively formed in the fourth conductive part (62) and the ground surface (11) of the guide rail body (1), the fourth conductive part (62) is embedded into the ground wire wiring terminal cavity (42), the third conductive part (61) is bent into the junction box (4), and the second fastener (63) sequentially penetrates through the second wire pressing hole (611) and the external ground wire cavity (43); the junction box assembly further comprises a third fastener (401), and the third fastener (401) sequentially penetrates through the third mounting hole (12), the second mounting hole (621) and the first mounting hole (45) to fix the ground wire junction terminal (6) and the junction box (4) on the guide rail body (1).

6. The guide rail of claim 5, wherein the junction box assembly further comprises a junction box cover (7) mated with the junction box (4), the junction box cover (7) being mounted on the junction box (4);

a first anti-drop pull plate (47) is arranged on the inner bottom surface of the junction box (4), a second anti-drop pull plate (71) is arranged on the inner top surface of the junction box cover (7), the first anti-drop pull plate (47) and the second anti-drop pull plate (71) are both positioned on one side, far away from the guide rail body (1), of the L/N wiring terminal (5) and the ground wire wiring terminal (6), the first anti-drop pull plate (47) and the second anti-drop pull plate (71) are parallel and arranged in a staggered mode, and one side, opposite to the first anti-drop pull plate (47) and the second anti-drop pull plate (71), is of a tooth-shaped structure; wherein the first and second anti-drop pull plates (47, 71) are used for clamping the external L/N lead and the external ground wire penetrating into the junction box (4).

7. The guide rail strip according to claim 1, characterized in that the guide rail assembly further comprises insulating strips (2) symmetrically arranged in the guide rail body (1) and respectively propped against two inner side surfaces of the guide rail body (1), the two insulating strips (2) are respectively provided with a first accommodating cavity (21) for accommodating the metal wires (3), the two metal wires (3) are respectively arranged in the two first accommodating cavities (21), opposite sides of the two insulating strips (2) are respectively provided with a through hole (22) communicated with the first accommodating cavities (21), and the first accommodating cavities (21) and the through holes (22) are respectively penetrated through the insulating strips (2) along the extending direction of the insulating strips (2).

8. The guide rail strip according to claim 7, further comprising an end cover (8), wherein the end cover (8) is arranged opposite to the junction box (4) and is mounted at the other end of the guide rail body (1), a second accommodating cavity (81) corresponding to the metal wire (3) is formed in one surface of the end cover (8) facing the guide rail body (1), and one end, close to the end cover (8), of the metal wire (3) is arranged in the second accommodating cavity (81).

9. The guide rail strip according to claim 1, characterized in that the guide rail body (1) comprises an aluminum shell and an insulating coating layer located on the surface of the aluminum shell, the inner bottom surface of the guide rail body (1) comprises a ground plane (11) exposing the aluminum shell, an opening (13) is formed in the top surface of the guide rail body (1) and an anti-reverse-installing rib (14) is arranged on one side of the opening (13), and the ground plane (11), the opening (13) and the anti-reverse-installing rib (14) penetrate through the guide rail body (1) along the extending direction of the guide rail body (1).

10. A lighting fixture comprising a guide rail according to any one of claims 1-9.