CN210891500U

CN210891500U - Lamp body connecting piece and lighting lamp

Info

Publication number: CN210891500U
Application number: CN201922198903.6U
Authority: CN
Inventors: 周锋; 乔胜玉
Original assignee: Opple Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-30
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a lamp body connecting piece and a lighting lamp, wherein both ends of the disclosed lamp body connecting piece (100) are provided with connecting structures (110), and the periphery of the lamp body connecting piece (100) is provided with lamp arm mounting holes (120); a conductive device (130) is arranged in the lamp body connecting piece (100), the conductive device (130) is provided with a conductive plug (131), and the conductive plug (131) is at least partially positioned in the lamp arm mounting hole (120); the connecting structure (110) is a detachable connecting structure. By the scheme, the problems that the lighting lamp cannot be modularly and standardly produced, the size precision of the lamp body is low, and the volume of the packaged lighting lamp is large can be solved.

Description

Lamp body connecting piece and lighting lamp

Technical Field

The utility model relates to a lighting device technical field especially relates to a lamp body connecting piece and illumination lamps and lanterns.

Background

With the rapid development of lighting technology and the improvement of living standard, the lighting lamp has the advantages of practicability, high aesthetic degree and strong ornamental value, and is widely applied to daily life. Taking a pendant lamp as an example, the pendant lamp is a lighting tool widely used in various places at present, and not only needs to provide lighting purposes, but also needs to have a shoulder decoration effect. The existing ceiling lamp mainly comprises a lamp body, a lamp arm and a light source, wherein the light source is fixed on the lamp arm, and the lamp arm is installed on a lamp body support. In order to make the pendant lamp have aesthetic feeling, various designs are usually carried out on the lamp arm of the pendant lamp, and then light sources in different styles are installed on the lamp arm, so that the whole pendant lamp has gorgeous lighting effect and artistic feeling.

Because the existing lighting lamp is usually welded into a whole, the modularized and standardized production of the lighting lamp cannot be realized, and meanwhile, the welded lighting lamp has larger deformation error, so that the size precision of the lighting lamp is low. Meanwhile, in the process of selling the illumination lamp by a merchant in consideration of avoiding user installation and facilitating use of users, the integral illumination lamp needs to be integrally packaged, and the volume of the illumination lamp after being integrally packaged is large, so that the transportation cost is high, and the illumination lamp is easy to damage in the transportation process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a lamp body connecting piece and illumination lamps and lanterns to solve the unable module of illumination lamps and lanterns, standardized production, the specific amasss great problem of light after size precision is lower and the packing.

In order to solve the above problem, the utility model adopts the following technical scheme:

a lamp body connecting piece is characterized in that two ends of the lamp body connecting piece are provided with connecting structures, and the periphery of the lamp body connecting piece is provided with lamp arm mounting holes;

a conductive device is arranged in the lamp body connecting piece, the conductive device is provided with a conductive plug, and at least part of the conductive plug is positioned in the lamp arm mounting hole;

the connecting structure can be detached.

An illuminating lamp comprises a lamp holder, a decorative head and the lamp body connecting piece;

the lamp body connecting piece is characterized in that the connecting structure at the first end of the lamp body connecting piece is detachably connected with the lamp holder, and the connecting structure at the second end of the lamp body connecting piece is detachably connected with the decorative head.

An illuminating lamp comprises a lamp holder, a decorative head, a lamp post and at least two lamp body connecting pieces;

one of the lamp body connecting pieces which are adjacent randomly is a first lamp body connecting piece, the other one is a second lamp body connecting piece, and the first lamp body connecting piece and the second lamp body connecting piece are detachably connected through the lamp post;

the lamp body connecting pieces which are adjacent at will are connected through the lamp post, one of the two lamp body connecting pieces at the end parts is detachably connected with the lamp holder, and the other one is detachably connected with the decorative head.

The utility model discloses a technical scheme can reach following beneficial effect:

in the lamp body connecting piece disclosed by the embodiment of the utility model, the two ends of the lamp body connecting piece are both provided with the connecting structures, and the connecting structures are detachable connecting structures; the lamp arm may be mounted to the lamp body connecting member through the lamp arm mounting hole. This scheme makes the lamp body connecting piece for general, and the illumination lamps and lanterns can be formed by the equipment of at least this lamp body connecting piece to make illumination lamps and lanterns can dismantle to a plurality of modules, and then can realize the modularization, the standardized production of illumination lamps and lanterns, and the illumination lamps and lanterns dimensional error after the equipment is less, so that the dimensional accuracy of illumination lamps and lanterns is higher.

Meanwhile, when the lighting lamp needs to be transported, the lighting lamp can be detached into a plurality of modules and then the modules are respectively packaged, so that the packaged lighting lamp is small in size, the transportation cost can be reduced, meanwhile, the lighting lamp can be well protected, and the lighting lamp is not damaged or difficult to damage in the transportation process, and the reliability of the lighting lamp is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present invention, the drawings required to be used in the embodiments or the background art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded schematic view of a lamp body connecting member disclosed in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a lighting fixture disclosed in an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a lighting fixture disclosed in an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a lighting fixture according to another embodiment of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4 from another perspective;

fig. 6 is a schematic view of a lighting fixture disclosed in the embodiment of the present invention.

Description of reference numerals:

100-lamp body connecting piece, 110-connecting structure, 120-lamp arm mounting hole, 130-conducting device, 131-conducting plug, 132-circuit board, 133-wiring terminal, 140-first lamp body connecting piece, 141-first through hole, 150-second lamp body connecting piece, 151-second through hole, 200-lamp pole, 210-connecting outer barrel, 220-pull rod, 230-first nut, 240-second nut, 300-decorative head, 400-lamp holder, 500-lamp arm and 600-lamp holder.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, an embodiment of the present invention discloses a lamp body connecting piece 100, both ends of the disclosed lamp body connecting piece 100 are provided with a connecting structure 110, and the connecting structure 110 is a detachable connecting structure, the lamp body connecting piece 100 can be detachably connected with other components of the lighting fixture through the connecting structure 110, so that the lighting fixture can be detached into a plurality of modules, and the lighting fixture has a plurality of modules assembled together. Specifically, the lamp body connecting member 100 can be detachably connected with other components in various ways, such as clamping, screwing, etc., and the embodiment of the present invention is not limited thereto.

The lamp arm mounting holes 120 are formed on the periphery of the lamp body connecting member 100, and one end of the lamp arm 500 can be matched with the lamp arm mounting holes 120, so that the lamp arm 500 can be cantilever-mounted on the lamp body connecting member 100. The lamp body connecting part 100 is further provided with a conductive device 130, the conductive device 130 is provided with a conductive plug 131, the conductive plug 131 is at least partially positioned in the lamp arm mounting hole 120, the conductive device 130 can provide power for the light source, and the conductive plug 131 is at least partially positioned in the lamp arm mounting hole 120, so that the lamp arm 500 can transmit the power required by the light source through the lamp arm 500 while being installed. Specifically, electrically conductive plug 131 can be connected with arm 500 lug connection, and arm 500 surface carries out insulation treatment to improve the security of illumination lamps and lanterns, or be equipped with the power cord in the arm 500, and this power cord is connected with electrically conductive plug 131 electricity, thereby can make things convenient for the line design of walking of illumination lamps and lanterns, the embodiment of the utility model provides an in not doing the restriction to this.

In the lamp body connecting part 100 disclosed in the embodiment of the present invention, the two ends of the lamp body connecting part 100 are both provided with the connecting structures 110, and the connecting structures 110 are detachable connecting structures, and meanwhile, the lamp body connecting part 100 is provided with the conductive device 130, the conductive device 130 is provided with the conductive plug 131, and at least a part of the conductive plug 131 is located in the lamp arm mounting hole 120 of the lamp body connecting part 100; the lamp arm 500 may be mounted to the lamp body connection member 100 through the lamp arm mounting hole 120. This scheme makes lamp body connecting piece 100 be general, and the illumination lamps and lanterns can be formed by the equipment of at least this lamp body connecting piece 100 to make the illumination lamps and lanterns can dismantle to a plurality of modules, and then can realize the modularization, the standardized production of illumination lamps and lanterns, and the illumination lamps and lanterns dimensional error after the equipment is less, so that the dimensional accuracy of illumination lamps and lanterns is higher.

As described above, the embodiment of the present invention does not limit the detachable connection manner between the lamp body connecting member 100 and other components, that is, the embodiment of the present invention does not limit the kind of the connecting structure 110. In an alternative embodiment, the connection structure 110 may be screwed with other components, which means that the lamp body connection member 100 may be screwed with other components through the connection structure 110, the screwed connection has the advantages of simple manufacture, reliable connection, and high versatility, and meanwhile, the screwed connection can facilitate the installation and the removal of the lamp body connection member 100 and other components of the lighting fixture, thereby improving the assemblability and the maintainability of the lighting fixture.

Optionally, the conductive plug 131 may have an elastic portion, the elastic portion may be in inserting fit with the inserting portion of the lamp arm 500, and the elastic portion may be in elastic contact with the inserting portion to adapt to deformation of the inserting portion due to gravity or other acting force, so that the connection stability of the inserting portion and the elastic portion is high.

In the embodiment of the present invention, the conductive device 130 may include a circuit board 132 and a connection terminal 133, the conductive plug 131 and the connection terminal 133 are both disposed on the circuit board 132, the connection terminal 133 is electrically connected to the circuit board 132, and the conductive plug 131 is electrically connected to the connection terminal 133 through a wire. In the case where the conductive plug 131 is directly electrically connected to the circuit board 132, due to the installation requirement, when the conductive plug 131 is installed or when the conductive plug 131 is installed with other components (for example, the plugging portion of the lamp arm 500), the conductive plug 131 may be displaced, so that the electrical connection between the conductive plug 131 and the circuit board 132 is failed, and thus the electrical connection between the conductive plug 131 and the circuit board 132 is unreliable. Compared with the scheme, in the scheme, the conductive plug 131 is electrically connected with the wiring terminal 133 through a wire, the conductive plug 131 has certain buffer displacement, and when the conductive plug 131 is installed or installed with other components, the displacement of the conductive plug 131 does not influence the electrical connection between the conductive plug 131 and the circuit board 132, so that the reliability of the conductive device 130 is improved. Therefore, the connection terminal 133 can also facilitate the connection of the conductive device 130 with an external power line, thereby preventing the external power line from being directly electrically connected with the circuit board and causing unreliable electrical connection.

Generally, a lighting fixture generally has a plurality of light sources to improve the lighting effect of the lighting fixture. In this regard, in an alternative embodiment, the number of the lamp arm mounting holes 120 may be plural, and the plural lamp arm mounting holes 120 are spaced apart along the circumferential direction of the lamp body connecting member 100. When the illumination lamp is assembled, the number of the lamp arms 500 can be increased or reduced as required, so that the number of the light sources can be adjusted, the assembly is flexible, meanwhile, the positions of the light sources can be changed as required, and further the lighting effect of the illumination lamp can be changed, so that the user experience of the illumination lamp is improved. Further, the plurality of lamp arm mounting holes 120 may be disposed at equal intervals along the circumferential direction of the lamp body connecting member 100, so that the light sources are distributed uniformly, the illumination brightness of the illumination lamp is balanced, and the illumination effect of the illumination lamp is improved.

Based on the utility model discloses lamp body connecting piece, the embodiment of the utility model discloses a lighting lamp. The lighting fixture is generally installed on a mounting base (e.g., a roof) in a hanging manner, and therefore, a hanging portion needs to be installed on the lighting fixture, and optionally, the disclosed lighting fixture includes a lamp socket 400, a trim head 300, and the lamp body connecting member 100 described in any of the above embodiments, the connecting structure 110 at the first end of the lamp body connecting member 100 is detachably connected to the lamp socket 400, and the connecting structure 110 at the second end of the lamp body connecting member 100 is detachably connected to the trim head 300. The lighting lamp can be suspended on the installation basis through the lamp holder 400, and is convenient for a user to install. Meanwhile, the decoration head 300 is detachably connected with the connecting structure 110 at the second end of the lamp body connecting piece 100, the decoration head 300 can encapsulate the bottom of the lighting lamp, so that the appearance integrity of the lighting lamp is good, meanwhile, the decoration head 300 can seal the lighting lamp, so that sundries are prevented from entering the lighting lamp to cause short circuit of a circuit in the lighting lamp or other reliability problems, and the reliability of the lighting lamp is further improved.

Further, different users have different requirements for the number of layers of the lighting fixture, and therefore, in order to meet the requirements for the number of layers of the lighting fixture by the users, in an alternative embodiment, the lighting fixture may include a lamp socket 400, a trim 300, a lamp post 200, and at least two of the lamp body connectors 100, one of any adjacent lamp body connectors 100 is a first lamp body connector 140, and the other is a second lamp body connector 150, and the first lamp body connector 140 and the second lamp body connector 150 are detachably connected through the lamp post 200; any adjacent lamp body connecting pieces 100 are connected through the lamp post 200, one of the two lamp body connecting pieces 100 at the end part is detachably connected with the lamp holder 400, and the other one is detachably connected with the decorative head 300. Under the condition, the lighting lamp is provided with the lamp body connecting piece 100 with the at least two-layer structure, meanwhile, the specification of the lighting lamp can be conveniently adjusted according to the requirement of a user, and the lamp body connecting piece 100 and the lamp post 200 can be continuously overlapped, so that the layer number of the lighting lamp meets the requirement of the user, and the use experience of the user on the lighting lamp is further improved.

It should be noted that, in the lighting fixture disclosed in the embodiment of the present invention, the number of the lamp body connecting pieces 100 may be one, or may be multiple, and when the number of the lamp body connecting pieces 100 is one, the lighting fixture is a single-layer structure; when the number of the lamp body connecting members 100 is plural, the lighting fixture has a multi-layer structure. The embodiment of the present invention does not limit the number of the lamp body connecting members 100 or the number of layers of the lighting fixture.

As described above, any adjacent lamp body connecting members 100 are detachably connected to each other through the lamp post 200. In an alternative, the lamp post 200 may include a connection outer barrel 210, one end of the connection outer barrel 210 is screwed with the connection structure 110 of the first lamp body connector 140, and the other end of the connection outer barrel 210 is screwed with the connection structure 110 of the second lamp body connector 150. The threaded connection has the advantages of simplicity in manufacturing, reliability in connection, high universality and the like, and meanwhile, the threaded connection mode can facilitate the installation and the disassembly of the lamp post 200 and the first lamp body connecting piece 140 as well as the lamp post 200 and the second lamp body connecting piece 150, so that the assembly performance and the maintainability of the lighting lamp can be improved.

Specifically, the lamp body connecting member 100 may include a main body section and a connection section, the arm mounting hole 120 is disposed in the main body section, the connection section is connected to the main body section, and a stepped portion is formed at a junction of the connection section and the main body section, in the connection section and the connection outer cylinder 210, one is provided with an external thread, the other is provided with an internal thread, the internal thread is matched with the external thread, a terminal surface of the connection outer cylinder 210 is contacted with the stepped portion, and an outer surface of the connection outer cylinder 210 is aligned with an outer surface of the main body section. In this case, the outer barrel 210 is not only in contact with the step portion, but also the outer surface of the outer barrel 210 is aligned with the outer surface of the main body section, so that the surface of the lighting fixture at the position is relatively flat, the appearance integrity of the lighting fixture can be improved, and the appearance attractiveness of the lighting fixture can be improved. Meanwhile, the gap between the connection part of the outer barrel 210 and the first lamp body connecting part 140 and the connection part of the outer barrel 210 and the second lamp body connecting part 150 is small, so that the sealing performance of the lighting lamp is improved, and therefore, the situation that foreign matters (such as dust or liquid) enter the lighting lamp to cause a short circuit of a circuit in the lighting lamp or other reliability problems can be prevented, and the reliability of the lighting lamp is improved.

Further, the joint connecting the outer cylinder 210 and the first lamp body connecting member 140 and the joint connecting the outer cylinder 210 and the second lamp body connecting member 150 may be provided with a sealing ring, so that the sealing performance of the lighting lamp can be further improved.

As described above, the lighting fixture is usually installed on an installation base in a hanging manner, the connection outer barrel 210 has a large size, so that the connection outer barrel 210 is easily deformed, and the connection outer barrel 210 is installed outside the lighting fixture, so that the connection outer barrel 210 is easily affected by an external force, so that the connection outer barrel 210 is easily deformed, and thus the reliability of the screw connection between the connection outer barrel 210 and the first lamp body connector 140 or the second lamp body connector 150 is reduced. Based on this, in an alternative embodiment, the lamp post 200 may include a connection outer cylinder 210, a pull rod 220, a first nut 230 and a second nut 240, the first lamp body connector 140 is provided with a first through hole 141, the second lamp body connector 150 is provided with a second through hole 151, one end of the pull rod 220 passes through the first through hole 141 and is in threaded fit with the first nut 230, the other end of the pull rod 220 passes through the second through hole 151 and is in threaded fit with the second nut 240, the connection outer cylinder 210 is supported between the first lamp body connector 140 and the second lamp body connector 150, and the pull rod 220 is at least partially located in the connection outer cylinder 210. In this embodiment, the outer connecting cylinder 210 serves as an appearance transition between the first lamp body connecting member 140 and the second lamp body connecting member 150, so that the appearance of the lighting fixture is better. Meanwhile, the first lamp body connecting piece 140 and the second lamp body connecting piece 150 are detachably connected through the pull rod 220, the pull rod 220 is arranged in the lamp body and is not prone to being affected by force, meanwhile, the pull rod 220 is small in size, the pull rod 220 is difficult to deform, the pull rod 220 can be connected with the first lamp body connecting piece 140 or the second lamp body connecting piece 150 more stably and reliably, and the reliability of the assembled lighting lamp can be higher.

Further, the first lamp body connector 140 and the second lamp body connector 150 connected to both ends of the pull rod 220 can adjust their respective positions, specifically, a user can adjust the position of the first lamp body connector 140 by adjusting the position of the first nut 230 on the pull rod 220; similarly, the user can adjust the position of the second lamp body connecting member 150 by adjusting the position of the second nut 240 on the pulling rod 220. According to the scheme, the assembling precision of the illumination lamp is high, the assembled illumination lamp is compact and stable in structure, and meanwhile, the detachable connection mode is simple to assemble and can be conveniently installed by a user.

In another alternative embodiment, the pull rod 220 may be a threaded rod, the first lamp body connecting member 140 is provided with a first through hole 141, the second lamp body connecting member 150 is provided with a second through hole 151, and both the first through hole 141 and the second through hole 151 may be provided with threads, and the threaded rod is in threaded engagement with the first through hole 141 and the threaded rod is in threaded engagement with the second through hole 151. This scheme can further simplify the structure that realizes dismantling the connected mode, compares in above-mentioned scheme, replaces first nut 230 and second nut 240 through the screw thread that sets up in first perforation 141 and second perforation 151 in this scheme to can reduce the quantity of illumination lamps and lanterns part, with reduce illumination lamps and lanterns cost, simultaneously, the reduction of illumination lamps and lanterns part quantity can also make illumination lamps and lanterns assembly simple high-efficient, the probability of making mistakes in the assembling process reduces.

Further, after the first lamp body connector 140, the second lamp body connector 150 and the lamp post 200 are screwed, the screw threads may be loosened, so that the screw threads between the first lamp body connector 140, the second lamp body connector 150 and the lamp post 200 are unstable. Therefore, the threads described above may have a self-locking effect or a locking device may be provided at the threaded connection, so that the reliability and stability of the threaded connection between the first lamp body connector 140, the second lamp body connector 150 and the lamp post 200 can be improved.

As described above, the lamp arm 500 may be mounted to the lamp body connection member 100 through the lamp arm mounting hole 120. Based on this, optionally, the lighting fixture may further include a lamp arm 500 and a lamp head 600, one end of the lamp arm 500 is detachably connected to the lamp head 600, and the other end of the lamp arm 500 is detachably disposed in the lamp arm mounting hole 120. The lamp holder 600 can be detachably arranged on the lamp body connecting part 100 through the lamp arm 500, so that the lamp holder 600 without the lighting effect can be replaced by the lighting equipment, the lighting scene of the lighting lamp can be expanded, the lighting effect of the lighting lamp is further improved, and the user experience of the lighting lamp is better. Meanwhile, when the lamp head 600 or the lamp arm 500 is damaged due to failure, the lamp head is convenient for maintenance personnel to detach and replace, and the maintenance cost is reduced.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A lamp body connecting piece is characterized in that two ends of the lamp body connecting piece (100) are respectively provided with a connecting structure (110), and the periphery of the lamp body connecting piece (100) is provided with a lamp arm mounting hole (120);

a conductive device (130) is arranged in the lamp body connecting piece (100), the conductive device (130) is provided with a conductive plug (131), and the conductive plug (131) is at least partially positioned in the lamp arm mounting hole (120);

the connecting structure (110) is a detachable connecting structure.

2. The lamp body connecting member according to claim 1, wherein the connecting structure (110) is screw-coupled to other components.

3. A lamp body connection unit according to claim 1, wherein the conductive plug (131) has a resilient portion which is adapted to be fitted into a mating portion of the lamp arm (500).

4. A lamp body connecting member according to claim 1, wherein the conductive means (130) includes a circuit board (132) and a terminal (133), the conductive plug (131) and the terminal (133) are provided to the circuit board (132), the terminal (133) is electrically connected to the circuit board (132), and the conductive plug (131) is electrically connected to the terminal (133) by a wire.

5. The lamp body connecting member according to claim 1, wherein the number of the lamp arm mounting holes (120) is plural, and the plural lamp arm mounting holes (120) are provided at intervals in a circumferential direction of the lamp body connecting member (100).

6. A lighting fixture, characterized by comprising a lamp socket (400), a trim (300) and the lamp body connecting member (100) of any one of claims 1 to 5;

the lamp body connecting piece (100) is characterized in that the connecting structure (110) at the first end of the lamp body connecting piece (100) is detachably connected with the lamp holder (400), and the connecting structure (110) at the second end of the lamp body connecting piece (100) is detachably connected with the decorative head (300).

7. A lighting fixture, characterized by comprising a socket (400), a trim head (300), a lamp post (200) and at least two lamp body connectors (100) according to any one of claims 1 to 5;

one of the lamp body connecting pieces (100) adjacent to each other is a first lamp body connecting piece (140), the other one is a second lamp body connecting piece (150), and the first lamp body connecting piece (140) is detachably connected with the second lamp body connecting piece (150) through the lamp post (200);

the lamp body connecting pieces (100) which are adjacent at random are connected through the lamp post (200), one of the two lamp body connecting pieces (100) at the end part is detachably connected with the lamp holder (400), and the other one is detachably connected with the decorative head (300).

8. The illumination lamp as claimed in claim 7, wherein the lamp post (200) comprises a connection outer cylinder (210), one end of the connection outer cylinder (210) is in threaded connection with the connection structure (110) of the first lamp body connector (140), and the other end of the connection outer cylinder (210) is in threaded connection with the connection structure (110) of the second lamp body connector (150).

9. The illumination lamp as claimed in claim 7, wherein the lamp post (200) comprises a connection outer cylinder (210), a pull rod (220), a first nut (230) and a second nut (240), the first lamp body connecting member (140) is provided with a first through hole (141), the second lamp body connecting member (150) is provided with a second through hole (151), one end of the pull rod (220) passes through the first through hole (141) to be in threaded engagement with the first nut (230), the other end of the pull rod (220) passes through the second through hole (151) to be in threaded engagement with the second nut (240), the connection outer cylinder (210) is supported between the first lamp body connecting member (140) and the second lamp body connecting member (150), and the pull rod (220) is at least partially located in the connection outer cylinder (210).

10. The lighting fixture as recited in claim 7, further comprising a lamp arm (500) and a lamp cap (600), wherein one end of the lamp arm (500) is detachably connected to the lamp cap (600), and the other end of the lamp arm (500) is detachably disposed in the lamp arm mounting hole (120).