WO2020073639A1

WO2020073639A1 - Lighting connector and lighting

Info

Publication number: WO2020073639A1
Application number: PCT/CN2019/084124
Authority: WO
Inventors: 袁仕强
Original assignee: 中山市琪朗灯饰厂有限公司
Priority date: 2018-10-12
Filing date: 2019-04-24
Publication date: 2020-04-16
Also published as: CN209026768U

Abstract

A lighting connector and a lighting. The lighting connector (100) comprises a metal pipe (10) and a wire (20) provided within the metal pipe (10) and insulated from the metal pipe (10). A first terminal (21) and a second terminal (22) respectively are provided at either end of the wire (20). Moreover, a first insulating sleeve (40) is provided between the first terminal (21) and the metal pipe (10); a second insulating sleeve (50) is provided between the second terminal (22) and the metal pipe (10). One end of the first terminal (21) is arranged within the metal pipe (10), while the other end is provided protruding the metal pipe (10). One end of the second terminal (22) is arranged within the metal pipe (10), while the other end is provided protruding the metal pipe (10). The electrical connection of multiple lightings (200) can be completed quickly via the lighting connector (100), the need for connecting wires and running wires is obviated, thus reducing the difficulty in a manual manufacturing process of the lighting and preventing damages to the lighting, and at the same time increasing the safeness of the lighting when in use.

Description

Lamp connector and lamp

Technical field

The utility model relates to the field of lamps, in particular to a lamp connector and a lamp.

Background technique

Existing lamps generally have their own independent shapes, and users cannot redesign and put together new shapes according to their own preferences, which cannot meet the diversified needs of customers for the creative nature of lamps.

At present, in order to meet the diversified needs of customers for the creative nature of lamps and lanterns, manual production (Do It Yourself, DIY for short) lamps and lanterns products have been developed. DIY lamps can be divided into several independent parts, and customers can start to splice new ones according to these independent parts. The shape of the lamps and lanterns meets the needs of customers to design the shape of lamps and lanterns according to their personal interests.

However, in the process of splicing DIY lamps, multiple lamps need to be connected with wires and threaded to achieve electrical connection. The process is cumbersome and requires certain professional knowledge to complete, which increases the difficulty of splicing DIY lamps. Even if the wire is connected incorrectly, it will cause damage to the lamp or bring about a safety accident.

Utility model content

The utility model provides a lamp body connecting piece and a lamp, which can reduce the difficulty of achieving electrical connection between a plurality of lamps, and at the same time improve the safety during the use of the lamp.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

On the one hand, the utility model provides a lamp connector, which includes a metal tube and an electric wire arranged in the metal tube and insulated from the metal tube; the two ends of the electric wire are respectively provided with a first terminal and a second terminal, and the first A first insulating sleeve is provided between one terminal and the metal tube, and a second insulating sleeve is provided between the second terminal and the metal tube; one end of the first terminal is located in the metal tube, and the other end protrudes from the metal tube One end of the second terminal is located in the metal tube, and the other end protrudes from the metal tube.

Further, the metal tube has a straight bar shape or an arc shape.

Further, the electric wire includes a wire core and an insulating sheath surrounding the wire core; both ends of the wire core protrude from the insulating sheath to form a first wiring portion and a second wiring portion; the first wiring portion extends into The first insulating sleeve is electrically connected to the first terminal; the second wiring portion extends into the second insulating sleeve and is electrically connected to the second terminal.

Further, two sleeve joints are respectively provided at two ends of the metal pipe, and the two sleeve joints are respectively sleeved on both ends of the metal pipe.

Further, the surface of the wall of both ends of the metal pipe is provided with external threads, and the internal wall of the end of the sleeve joint near the metal pipe is provided with internal threads that cooperate with the external thread; The sleeve joint is connected by the external thread and the internal thread.

Further, an end of the sleeve joint remote from the metal pipe is provided with an external thread.

Further, the wall surfaces of the two ends of the metal tube are respectively provided with limit grooves, and the sleeve joint is provided with a limit threaded hole at one end close to the metal tube; The end of the limit bolt is snapped into the limit groove.

Further, both the first insulating sleeve and the second insulating sleeve are PC plastic sleeves.

Further, both the first terminal and the second terminal are column-shaped structures.

Another aspect of the present invention provides a lamp including the lamp connector.

Compared with the prior art, the lamp connector and the lamp provided by the utility model have the following advantages;

The lamp connector and the lamp provided by the present invention include a metal tube and a wire arranged in the metal tube, and the wire is kept insulated from the metal tube, and a first terminal and a second terminal are provided at both ends of the wire;

Multiple lamps can be quickly connected electrically through the lamp connector without connecting wires and threading, which reduces the difficulty in the process of manually making lamps and avoids damage to the lamps, and at the same time improves the safety of the lamps during use.

In addition to the technical problems solved by the utility model described above, the technical features that constitute the technical solution, and the beneficial effects brought by the technical features of these technical solutions, the lamp connector provided by the utility model and other problems that the lamp can solve Technical issues, other technical features included in the technical solution, and the beneficial effects brought by these technical features will be further detailed in the specific implementation manner.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments of the present invention or the description of the prior art. Obviously, the The drawings are only a part of the embodiments of the present invention. For those of ordinary skill in the art, without paying any creative work, other drawings can be obtained based on these drawings.

1 is a schematic diagram of a three-dimensional structure of a lamp connector provided by an embodiment of the utility model;

2 is a schematic diagram of the internal structure of the lamp connector provided by the embodiment of the utility model;

3 is a schematic diagram of the connection between the metal pipe and the sleeve joint in FIG. 1;

4 is a schematic diagram of the connection between the lamp and the lamp connector provided by the embodiment of the present invention.

Description of reference signs:

10-Metal tube, 11-limit groove,

20-Electric wire, 21-First terminal,

22-Second terminal, 23-wire core,

24-Insulation, 30-sleeve joints, 30-sleeve joints,

31-limit threaded hole, 32-limit bolt,

40-first insulation sleeve, 50-second insulation sleeve,

60-Metal base, 61-plug hole,

62-center hole, 63-third terminal,

64-Fourth terminal, 65-light-emitting parts,

66-elastic conductive parts, 67-lampshade,

100-Luminaire connector, 200-Luminaire.

detailed description

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front" "," Back "," left "," right "," vertical "," horizontal "," top "," bottom "," inner "," outer "," clockwise "," counterclockwise "," axis " The azimuth or positional relationship indicated by "," radial "," circumferential ", etc. is based on the azimuth or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present invention.

In addition, the terms “first” and “second” are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined with "first" and "second" may include at least one of the features either explicitly or implicitly. In the description of the embodiments of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise specifically limited.

As shown in FIGS. 1, 2 and 5, the lamp connector 100 provided by an embodiment of the present invention includes a metal tube 10 and an electric wire 20 disposed in the metal tube 10 and insulated from the metal tube 10; A first terminal 21 and a second terminal 22 are provided at the ends, and a first insulating sleeve 40 is provided between the first terminal 21 and the metal tube 10, and a second insulating sleeve 50 is provided between the second terminal 22 and the metal tube 10 One end of the first terminal 21 is located in the metal tube 10, the other end protrudes from the metal tube 10, one end of the second terminal 22 is located in the metal tube 10, and the other end protrudes from the metal tube 10.

Specifically, the lamp connector 100 is used to mechanically and electrically connect a plurality of lamps 200. The lamp connector 100 has a certain structural strength, so that a plurality of lamps 200 are connected through the lamp connector 100 to form a DIY lamp. It is not easy to be deformed. At the same time, the lamp connector 100 can form a plurality of lamps 200 to be electrically connected, and one end of the lamp connector 100 can be connected to the power supply to form a current loop, thereby lighting the DIY lamp.

The lamp 200 provided in this embodiment includes: a lamp cover 67, a light emitting member 65 and a metal base 60; the lamp cover 67 is mounted on the metal base 60 and forms a light emitting cavity, the light emitting member 65 is located in the light emitting cavity; the metal base 60 A center hole 62 and a plug hole 61 are provided, the plug hole 61 communicates with the center hole 62; a third terminal 63 is provided in the plug hole 61, and an insulating seat is provided between the third terminal 63 and the plug hole 61, the center A fourth terminal 64 is installed in the hole 62, and the fourth terminal 64 is electrically insulated from the metal base 60, and the third terminal 63 and the fourth terminal 64 are electrically connected by an elastic conductive member 66, and the light emitting member 65 is disposed on the metal On the end surface of the base 60, the light emitting member 65 and the fourth terminal 64 are electrically connected. In the above lamp 200, the metal base 60 can be used as the negative terminal of the lamp 200, and the third terminal 63 can be used as the positive terminal of the lamp 200. It can be understood that in this embodiment, the negative terminal of the lamp 200 is connected to the positive terminal The arrangement scheme of the terminal is not limited, the above scheme is only preferred and convenient, and it is convenient to introduce the complete circuit formed between the lamp 200 and the lamp connector 100.

In this embodiment, the lamp connector 100 includes a metal tube 10 and an electric wire 20 disposed in the metal tube 10, and the electric insulation between the electric wire 20 and the metal tube 10 is maintained. Based on the above-mentioned lamp connector 100 not only plays a supporting role, but also can form a plurality of lamps 200 to form an electrical connection, the metal tube 10 can be made of a metal material with excellent electrical conductivity and a certain structural strength, such as aluminum; in this embodiment The structural shape of the metal tube 10 is not limited, and can be designed according to the creative requirements of the DIY lamp. One end of the metal tube 10 may be electrically connected to the negative terminal of the lamp 200, that is, one end of the metal tube 10 may be electrically connected to the metal base 60; the other end of the metal tube 10 may be electrically connected to the negative terminal of the adjacent lamp 200 Sexual connection, or connect with the negative pole of the power supply.

The wire 20 may be made of a material with excellent electrical conductivity. The two ends of the wire 20 are provided with a first terminal 21 and a second terminal 22 respectively. The first terminal 21 and the second terminal 22 may be connected to the positive terminal of the lamp, namely The first terminal 21 and the second terminal 22 may be inserted into the insertion hole 61 respectively, and electrically connected to the third terminal 63 located in the insertion hole 61. In addition, one of the first terminal 21 or the second terminal 22 may be selected to be connected to the third terminal 63 in the insertion hole 61, and the other terminal may be connected to the positive electrode of the power supply.

It can be understood that the first terminal 21 and the second terminal 22 are both arranged in a columnar structure, and the first terminal 21 and the second terminal 22 are arranged in cooperation with the third terminal 63 of the lamp. In this embodiment, the first terminal 21 and the second terminal 22 are preferably arranged. The second terminal 22 is arranged in a cylindrical shape, and the third terminal 63 is provided with a circular hole for connecting the first terminal 21 and the second terminal 22. The first terminal 21 and the second terminal 22 are clearance-fitted with the circular hole to facilitate the lamp The third terminal 63 of 200 forms an electrical connection.

In order to prevent the first terminal 21, the second terminal 22 and the metal tube 10 from being short-circuited, a first insulating sleeve 40 is provided between the first terminal 21 and the metal tube 10 to form electrical properties between the first terminal 21 and the metal tube 10 insulation. A second insulating sleeve 50 is provided between the second terminal 22 and the metal tube 10 to form electrical insulation between the second terminal 22 and the metal tube 10. It is understandable that the first insulating sleeve 40 and the second insulating sleeve 50 may be preferably made of PC plastic sleeves. The PC plastic sleeves are made of rubber, which is not only soft and elastic, but also easy to install on the first terminal 21 and the metal tube Between 10 and between the second terminal 22 and the metal tube 10, and its excellent insulation performance can improve the reliability of the lamp 200 in the process of use.

The lamp connector 100 provided in this embodiment includes a metal tube 10 and an electric wire 20 disposed in the metal tube 10 and insulated from the metal tube 10, and both ends of the electric wire 20 are provided with a first terminal 21 insulated from the metal tube 10 and The second terminal 22; in the process of splicing and assembling multiple lamps 200, it is only necessary to insert the first terminal 21 and the second terminal 22 into the insertion holes 61 of two adjacent lamps 200 respectively The third terminal 63 in 61 forms an electrical connection, and the metal tube 10 forms an electrical connection with the metal base 60 of the lamp; therefore, multiple lamps 200 can quickly complete the electrical connection through the lamp connector 100 without connecting wires and threading , Reduce the difficulty in the process of manually making lamps and avoid damage to lamps, and at the same time improve the safety of lamps during use.

In this embodiment, the metal tube 10 has a straight bar shape or an arc shape. Specifically, in order to realize the diversity of DIY lamps, the metal tube 10 may be made of a straight tube or an arc tube, and the multiple metal lamps 200 are connected by an arc metal tube 10, which may be spliced into a triangle , Rectangular, circular, elliptical and other plane-shaped DIY lamps or spherical and spiral-shaped DIY lamps and lanterns.

In this embodiment, the electric wire 20 includes a core 23 and an insulating sheath 24 surrounding the core 23; the two ends of the core 23 protrude from the insulating sheath 24 to form a first terminal portion and a second terminal portion; the first terminal portion extends into The first insulating sleeve 40 is electrically connected to the first terminal 21; the second wiring portion extends into the second insulating sleeve 50 and is electrically connected to the second terminal 22.

Specifically, the electric wire 20 includes a wire core 23 and an insulating skin 24 laid on the surface of the wire core 23, that is, to achieve electrical insulation between the electric wire 20 and the metal tube 10. In order to facilitate the connection of the two ends of the wire 20 to the first terminal 21 and the second terminal 22, the two ends of the wire 20 extend out of the insulating skin 24 to form a first wiring portion and a second wiring portion, the first wiring portion can extend into the first In the insulating sleeve 40 and electrically connected to the first terminal 21 located in the first insulating sleeve 40, the second wiring portion can penetrate into the second insulating sleeve 50 and connect to the second terminal located in the second insulating sleeve 50 22 Make electrical connections.

In this embodiment, the electrical connection between the first wiring part and the first terminal 21 and the electrical connection between the second wiring part and the second terminal 22 are not limited. In this embodiment, the first wiring part and the second The two connection parts are respectively provided with screw terminals, the screw terminals are provided with internal threads, and the first terminal 21 and the second terminal 22 are provided with connecting posts at the ends close to the electric wires 20, and the connecting posts are provided with external threads matching with the screw terminals Therefore, the first wiring part and the second wiring part can be connected to the first terminal 21 and the second terminal 22 through screw terminals, respectively, enhancing the electrical connection stability of the electric wire 20 and the first terminal 21 and the second terminal 22 , Thereby enhancing the reliability of the electrical connection between the lamp connector 100 and the lamp 200.

As shown in FIG. 3, in this embodiment, two sleeve joints 30 are respectively provided at two ends of the metal pipe 10, and the two sleeve joints 30 are respectively sleeved on both ends of the metal pipe 10. Specifically, the metal tube 10 is connected to the negative connection end of the lamp 200. The metal tube 10 can be inserted into the insertion hole 61 of the metal base 60 and kept in close contact with the metal base 60 to form an electrical connection. To facilitate the insertion of the metal tube 10 on the metal base 60 of the lamp, the two ends of the metal tube 10 are respectively provided with sleeve joints 30, and the two ends of the metal tube 10 are respectively inserted into one end of the sleeve joint 30, the sleeve The other end of the connector 30 can be inserted into the insertion hole 61 of the metal base 60 to complete the electrical connection between the metal tube 10 and the metal base 60. In this embodiment, the metal tube 10 is electrically connected to the metal base 60 by using the sleeve joint 30 to facilitate the connection of the lamp connector 100 and the lamp 200.

Further, the surface of the wall of both ends of the metal pipe 10 is provided with external threads, and the internal wall of the end of the sleeve joint 30 near the metal pipe 10 is provided with internal threads that cooperate with the external threads; the metal pipe 10 and the sleeve joint 30 pass through the external threads And internal thread connection.

Specifically, in order to prevent the metal tube 10 from falling off the sleeve joint 30, the tube walls at both ends of the metal tube 10 are provided with external threads, and the end of the sleeve joint 30 near the metal tube 10 is provided with internal threads. The internal thread cooperates with the external thread of the metal tube 10, and the metal tube 10 and the sleeve joint 30 can be fixed and form an electrical connection through the internal thread and the external thread. In this embodiment, the metal pipe 10 and the sleeve joint 30 are connected by threads, which enhances the stability of the electrical connection between the metal pipe 10 and the sleeve joint 30.

On the basis of the above embodiment, the end of the sleeve joint 30 away from the metal pipe 10 is provided with an external thread. Specifically, the end of the sleeve joint 30 away from the metal tube 10 is provided with an external thread. Correspondingly, the insertion hole 61 in the metal base 60 of the lamp is provided with an internal thread that cooperates with the above-mentioned external thread. The metal base 60 realizes a threaded connection, so that the sleeve joint 30 and the metal base 60 form a stable electrical connection; when the lamp connector 100 needs to be replaced, as long as the metal tube 10 is removed from the sleeve joint 30 Yes, it is convenient to connect multiple lamps 200.

On the basis of the above embodiment, a limit groove 11 is provided on the wall surface of one end of the metal pipe 10, and a limit threaded hole 31 is provided on the end of the sleeve joint 30 near the metal pipe 10; a limit position is inserted into the limit thread hole 31 The end of the bolt 32 and the limiting bolt 32 is caught in the limiting groove 11.

Specifically, the limit wall grooves 11 are respectively provided on the surface of the pipe walls of the two ends of the metal pipe 10, and the limit groove 11 is circumferentially arranged on the surface of the metal pipe 10; the sleeve joint 30 is provided with a limit thread hole 31 and a limit thread hole 31 is located at the end of the sleeve joint 30 close to the metal pipe 10, and the limiting threaded hole 31 is provided with an internal thread matched with the limit screw. When the metal pipe 10 is inserted into the sleeve joint 30, the limit is inserted into the limiting threaded hole 31 The end of the positioning bolt 32 and the limiting bolt 32 snap into the limiting groove 11 to prevent the metal tube 10 from moving in the axial direction of the sleeve joint 30.

It can be understood that, in order to enhance the reliability of the connection between the metal pipe 10 and the sleeve joint 30, the metal pipe 10 and the sleeve joint 30 can be screwed together, and the installation limit between the metal pipe 10 and the sleeve joint 30 is passed The bolt 32 is limited.

As shown in FIGS. 4 and 5, a lamp provided by an embodiment of the present invention includes a lamp connector 100. Specifically, the metal base 60 of the lamp 200 may be provided with a plurality of insertion holes 61, and the center lines of the plurality of insertion holes 61 may be located in the same plane or on different planes to meet different splicing needs of DIY lamps. In this embodiment, the metal base 60 is provided with four plug holes 61 in the circumferential direction of the side wall, and the center lines of the four plug holes 61 are in the same plane as an example to connect the lamp 200 and the lamp connector 100 Way to introduce.

The metal base 60 of the lamp is made of a revolving body, and four insertion holes 61 are provided in the circumferential direction of the side wall of the metal base 60, and the center line of the insertion hole 61 and the axis of the metal base 60 can be arranged perpendicularly, and The center lines of the plug holes 61 are located in the same plane, and each plug hole 61 is respectively inserted with a lamp connector 100, and an angle of 90 ° is formed between two adjacent lamp connectors 100.

The lamp connector 100 is screwed into the insertion hole 61 of the metal base 60 by using the sleeve joint 30, so that the metal tube 10 and the metal base 60 are electrically connected, and the metal base 60 and the negative output end of the light emitting member 65 The electrical connection is formed by screws, so the metal tube 10, the metal base 60, and the negative output end of the light emitting member 65 form an electrical connection.

The first terminal 21 and the second terminal 22 are electrically connected to the third terminal 63 located in the insertion hole 61. The third terminal 63 is electrically connected to the fourth terminal 64 through the elastic conductive member 66, and the fourth terminal 64 is light-emitting The positive input terminal of the component 65 is electrically connected, so the first terminal 21, the second terminal 22, the third terminal 63, the fourth terminal 64 and the positive input terminal of the light emitting component 65 can be electrically connected.

It can be understood that the elastic conductive member 66 may be a coil spring, one end of the elastic conductive member 66 abuts on the end of the third terminal 63 close to the fourth terminal 64, and the other end of the elastic conductive member 66 abuts on the fourth terminal 64 , The fourth terminal 64 and the first terminal 21 are electrically connected by an elastic conductive member 66, so that the third terminal 63 and the fourth terminal 64 are in a state of electrical connection at any time, and the third terminal 63 and the fourth terminal 64 are strengthened The reliability of the electrical connection between.

The light-emitting element 65 includes a circuit board, and a plurality of light-emitting diodes are provided on the circuit board. The circuit board is attached to the end surface of the metal base 60. The heat dissipation performance of the metal base 60 can be used to dissipate the heat generated on the circuit board It is led out to the outside of the lamp 200 through the metal base 60. A first through hole is provided on the circuit board, and a ring-shaped conductive film is provided on the surface of the circuit board located at the periphery of the first through hole. The ring-shaped conductive film at the first through hole can form the positive input end of the circuit board. The circuit board is also provided with a second through hole, and a ring-shaped conductive film is provided on the circuit board around the second through hole. The ring-shaped conductive film at the second through hole can form the negative output end of the circuit board.

In the above embodiment, one end of the first terminal 21 may be connected to the third terminal 63 or the positive electrode of the power supply, and one end of the metal tube 10 may be electrically connected to the metal base 60 or may be connected to the negative electrode of the power supply. When the first terminal 21 or the second terminal 22 of the wire 20 is connected to the positive electrode of the power supply, the other end is electrically connected to the third terminal 63 of the lamp; when one end of the metal tube 10 is selected to be connected to the negative electrode of the power supply, the The other end is electrically connected to the metal base 60; the above-mentioned lamp 200 can be turned on to light up the light emitting diode.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not deviate from the essence of the corresponding technical solutions of the embodiments of the present invention. The scope of the technical solution.

Claims

A lamp connector, characterized in that it includes a metal tube and an electric wire arranged in the metal tube and insulated from the metal tube;

A first terminal and a second terminal are respectively provided at both ends of the wire, and a first insulating sleeve is provided between the first terminal and the metal tube, and a second insulating sleeve is provided between the second terminal and the metal tube;

One end of the first terminal is located in the metal tube, and the other end protrudes from the metal tube.

One end of the second terminal is located in the metal tube, and the other end protrudes from the metal tube.
The lamp connector according to claim 1, wherein the metal tube has a straight bar shape or an arc shape.
The lamp connector according to claim 1, wherein the electric wire includes a wire core and an insulating sheath surrounding the wire core;

The two ends of the wire core protrude from the insulating skin to form a first wiring portion and a second wiring portion;

The first wiring part extends into the first insulating sleeve and is electrically connected to the first terminal;

The second wiring portion extends into the second insulating sleeve and is electrically connected to the second terminal.
The lamp connector according to claim 1, wherein two ends of the metal tube are respectively provided with two sleeve joints, and the two sleeve joints are respectively sleeved on both ends of the metal tube .
The lamp fitting according to claim 4, characterized in that the surface of the tube wall at both ends of the metal tube is provided with external threads, and the internal wall of the end of the sleeve joint near the metal tube is provided with the external thread Matching internal thread;

The metal pipe and the sleeve joint are connected by the external thread and the internal thread.
The lamp connector according to claim 4, wherein an end of the sleeve joint away from the metal tube is provided with an external thread.
The lamp connector according to any one of claims 4-6, wherein the tube wall surfaces at both ends of the metal tube are provided with limit grooves respectively, and the end of the sleeve joint near the metal tube is provided with a limited Threaded hole

A limiting bolt is inserted into the limiting threaded hole, and an end of the limiting bolt is snapped into the limiting groove.
The lamp connector according to claim 1, wherein the first insulating sleeve and the second insulating sleeve are both PC plastic sleeves.
The lamp connector according to claim 1, wherein the first terminal and the second terminal are both cylindrical structures.
A lamp, characterized by comprising the lamp connector according to any one of claims 1 to 9.