阅读说明：本技术 轨道灯用接线盒 (Junction box for track lamp ) 是由 曾浩华 袁华旸 王达锦 陈春鹏 陈启胜 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种轨道灯用接线盒,用于连接轨道上的导电条和外部电源的电源线,使轨道上的导电条通电,轨道具有轨道槽,导电条设于轨道槽的底壁,轨道槽的两侧壁均设有卡板,该轨道灯用接线盒包括绝缘壳体以及至少两片导电连接片,绝缘壳体至少包括用于与轨道槽配合的卡接部,该卡接部的左右两侧均开设有第一卡槽,第一卡槽用于与卡板配合,绝缘壳体上开设有与绝缘壳体的内部连通的过线孔,导电连接片安装于绝缘壳体内,且导电连接片的其中一端部外露于卡接部的底部,并形成用于与导电条抵接的触头。该轨道灯用接线盒的拆装均较为便捷,使用更加灵活,并且能够保证与轨道上的导电线路良好接触。(The invention discloses a junction box for a track lamp, which is used for connecting a conductive bar on a track with a power line of an external power supply to electrify the conductive bar on the track, wherein the track is provided with a track groove, the conductive bar is arranged on the bottom wall of the track groove, two side walls of the track groove are respectively provided with a clamping plate, the junction box for the track lamp comprises an insulating shell and at least two conductive connecting sheets, the insulating shell at least comprises a clamping part matched with the track groove, the left side and the right side of the clamping part are respectively provided with a first clamping groove, the first clamping grooves are matched with the clamping plates, the insulating shell is provided with a wire passing hole communicated with the inside of the insulating shell, the conductive connecting sheets are arranged in the insulating shell, one end part of each conductive connecting sheet is exposed out. The junction box for the track lamp is convenient to disassemble and assemble and flexible to use, and can be guaranteed to be in good contact with conducting circuits on the track.)

1. The junction box for the track lamp is used for connecting a conductive strip on a track with a power line of an external power supply to electrify the conductive strip on the track, the track is provided with a track groove, the conductive strip is arranged on the bottom wall of the track groove, two side walls of the track groove are provided with clamping plates, it is characterized in that the junction box for the track lamp comprises an insulating shell and at least two conductive connecting sheets, the insulating shell at least comprises a clamping part matched with the rail groove, the left side and the right side of the clamping part are both provided with a first clamping groove, the first clamping groove is used for matching with the clamping plate, the insulating shell is provided with a wire passing hole communicated with the inside of the insulating shell, the conductive connecting sheet is arranged in the insulating shell, and one end part of the conductive connecting sheet is exposed out of the bottom of the clamping part, and a contact used for being abutted against the conductive bar is formed.

2. The connector for a track lamp as set forth in claim 1, wherein the contact is an outwardly bowed contact and a bottom surface of the contact is adapted to abut a conductive strip.

3. The connector for a track lamp as set forth in claim 1, wherein the contacts of adjacent conductive tabs are offset from each other.

4. The terminal box for a track lamp as set forth in claim 1, wherein the other end of the conductive connecting piece is spaced from the bottom wall of the insulating housing, and the other end of the conductive connecting piece is provided with a threading hole.

5. The junction box for the track lamp as claimed in claim 1, wherein a positioning blind slot is formed in the insulating housing, a notch is formed in the bottom of the clamping portion, the conductive connecting piece is mounted in the positioning blind slot, and the contact extends out of the clamping portion along the notch.

6. The terminal box for a track lamp as set forth in claim 5, wherein said contact is also engaged in said positioning blind groove, and the bottom of said contact extends out of said engaging portion along said notch.

7. The junction box for a track lamp as claimed in claim 1, wherein the insulating housing further comprises a plugging portion connected to the catching portion, one surface of the plugging portion connected to the catching portion is used for abutting against an end of a track, a width dimension of the plugging portion is the same as a width dimension of the track, and a height dimension of the plugging portion is the same as a height dimension of the track.

8. The junction box for a track lamp as set forth in claim 1, wherein the insulating case comprises an upper case and a lower case, one of the upper case and the lower case is provided with a latch, and the other is provided with a second catch which is snap-fitted with the latch.

9. The terminal box for a track lamp as claimed in claim 8, wherein the insulating housing further comprises a positioning block, the conductive connecting piece is disposed in the lower housing, two opposite inner side walls of the lower housing are respectively provided with a slot, the positioning block comprises a positioning portion and a limiting protrusion, two opposite sides of the positioning portion are respectively in clamping fit with the slots on two opposite inner sides of the lower housing, the limiting protrusion is located at the bottom of the positioning portion, and the limiting protrusion abuts against the conductive connecting piece.

10. The terminal box for a track lamp as set forth in claim 1, further comprising a transformer, the transformer being disposed within the insulating housing, the conductive tab being connected to a power line of an external power source through the transformer.

Technical Field

The invention relates to the technical field of track lamps, in particular to a junction box for a track lamp.

Background

The track lamp generally comprises a track and a lamp, wherein the track is provided with a track groove, a conductive bar is arranged in the track groove (the conductive bar can be made of copper materials or made of iron materials), the conductive bar comprises a live wire and a zero line, the live wire and the zero line form a conductive circuit, a junction box is further arranged on the track for connecting an external power supply, the junction box is connected with the conductive circuit and an external power line to conduct the conductive circuit, the lamp is fixedly or slidably arranged on the track groove, a conductive terminal is arranged at a joint of the lamp, and when the lamp is installed, the conductive terminal on the lamp is in contact with the conductive bar inside the track groove, so that the power-on of the lamp.

At present, the junction boxes for the track lamps on the market are all fixed on the track in a screw connection mode, the junction boxes for the track lamps are troublesome to mount and dismount, and the use is not convenient enough.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the junction box for the track lamp, which is convenient to assemble and disassemble and has good contact.

The purpose of the invention is realized by adopting the following technical scheme:

the junction box for the track lamp is used for connecting a conductive strip on a track with a power line of an external power supply to electrify the conductive strip on the track, the track is provided with a track groove, the conductive strip is arranged on the bottom wall of the track groove, two side walls of the track groove are provided with clamping plates, the junction box for the track lamp comprises an insulating shell and at least two conductive connecting sheets, the insulating shell at least comprises a clamping part matched with the track groove, the left side and the right side of the clamping part are both provided with first clamping grooves which are used for being matched with the clamping plate, the insulating shell is provided with a wire passing hole communicated with the inside of the insulating shell, the conductive connecting sheet is arranged in the insulating shell, and one end part of the conductive connecting sheet is exposed out of the bottom of the clamping part, and a contact used for being abutted against the conductive bar is formed.

Further, the contact is an outwardly arched contact, and the bottom surface of the contact is used for abutting against the conductive strip.

Further, the width dimension of the contact is larger than the outer diameter of the conductive bar.

Further, the contacts on the two adjacent conductive connecting sheets are arranged in a staggered mode.

Furthermore, another tip of electrically conductive connection piece with set up at interval between the diapire of insulating casing, just another tip of electrically conductive connection piece is seted up the through wires hole.

Furthermore, a positioning blind groove is formed in the insulating shell, a notch is formed in the bottom of the clamping portion, the conductive connecting sheet is installed in the positioning blind groove, and the contact extends out of the clamping portion along the notch.

Furthermore, the contact is also clamped in the positioning blind groove, and the bottom of the contact extends out of the clamping part along the notch.

Further, the insulating housing further comprises a blocking head part connected with the clamping part, one side of the blocking head part connected with the clamping part is used for being abutted against the end part of the track, the width of the blocking head part is the same as that of the track, and the height of the blocking head part is the same as that of the track.

Furthermore, the insulating housing comprises an upper housing and a lower housing, one of the upper housing and the lower housing is provided with a clamping tenon, and the other one is provided with a second clamping groove in clamping fit with the clamping tenon.

Furthermore, the insulating shell further comprises a positioning block, the conductive connecting piece is arranged in the lower shell, slots are formed in two opposite inner side walls of the lower shell, the positioning block comprises a positioning portion and a limiting protruding portion, two opposite sides of the positioning portion are respectively in clamping fit with the slots located in two opposite inner sides of the lower shell, the limiting protruding portion is located at the bottom of the positioning portion, and the limiting protruding portion is abutted to the conductive connecting piece.

Furthermore, the junction box for the track lamp further comprises a transformer, the transformer is arranged in the insulating shell, and the conductive connecting sheet is connected with a power line of an external power supply through the transformer.

Compared with the prior art, the invention has the beneficial effects that:

when the device is installed, the clamping part of the insulating shell is embedded into a track groove of the track close to the end part of the track, the left side wall and the right side wall of the clamping part are respectively abutted against the two side walls of the track groove, the first clamping groove is tightly matched with the clamping plate, the contact is abutted against the conductive bar on the bottom wall of the track groove, then the power line of an external power supply is connected with the conductive connecting sheet, the conductive circuit on the track can be conducted, the limit matching of the clamping part and the track groove is utilized to limit the contact, the conductive connecting sheet is insulated and protected, and meanwhile, the contact can be ensured to be reliably contacted with the conductive bar, so that the reliable connection between the external power supply and the conductive circuit on; in addition, the insertion fit between the clamping portion and the rail groove enables the installation and the disassembly of the junction box for the rail lamp to be convenient.

Drawings

FIG. 1 is a schematic view of a junction box for a track lamp according to the present invention mounted on a track;

FIG. 2 is a schematic view of the junction box for a track lamp shown in FIG. 1, shown from a first perspective;

FIG. 3 is a schematic view of the junction box for a track lamp shown in FIG. 2, shown from a second perspective;

FIG. 4 is a schematic view of the internal structure of the junction box for a track lamp shown in FIG. 2;

FIG. 5 is an exploded view of the junction box for a track lamp shown in FIG. 2;

FIG. 6 is a schematic view of the upper housing of the junction box for a track lamp shown in FIG. 5;

fig. 7 is a schematic structural view of a positioning block in the junction box for a track lamp shown in fig. 5.

In the figure: 1. an insulating housing; 11. a clamping part; 111. a first card slot; 12. plugging the head part; 13. a lower housing; 131. a wire passing hole; 132. positioning a blind slot; 133. a tenon is clamped; 1331. a first limit plate; 14. an upper housing; 141. a second card slot; 142. a vertical plate; 143. a second limiting plate; 15. positioning blocks; 151. a positioning part; 152. a limit bulge; 1521. a groove; 2. a conductive connecting sheet; 21. a contact; 22. threading holes; 3. a track; 31. a conductive strip; 32. and (4) clamping the board.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.