CN213420732U - A cross exhibition show lamp device for exhibition - Google Patents

Abstract

The utility model relates to a cross exhibition show light device for exhibition. The lamp strip assembly comprises a central section, wherein four lamp strip assemblies are detachably arranged on the periphery of the central section; the central section comprises a middle square tube section, four side square tube sections are arranged on the periphery of the middle square tube section, one side of each side square tube section is provided with a first embedded section, and the other side of each side square tube section is provided with a second embedded section; the lamp strip assembly comprises a base body section, a connecting section is arranged on the inner side of the base body section, a first clamping plate section and a second clamping plate section are respectively arranged on two sides of the base body section, a first embedding groove is formed among the base body section, the first clamping plate section and the connecting section, a second embedding groove is formed among the base body section, the second clamping plate section and the connecting section, a lamp base plate with LED lamp beads and a circuit board is installed on the outer side of the base body section, and a lamp shade is installed between the outer edges of the two clamping plate sections; the lamp strip subassembly is located between two adjacent lateral part square tube section bars. The utility model discloses simple structure, convenient to use, structural strength are high.

Description

A cross exhibition show lamp device for exhibition

Technical Field

The utility model belongs to the technical field of the exhibition light, especially, relate to a cross exhibition show light device for exhibition.

Background

The light facilities are usually required to be arranged in the scene of the exhibition, the light facilities play roles of decoration, atmosphere creation and the like besides playing a basic lighting role, and play an important role in the creation of the scene environment of the exhibition and the creation of the exhibition effect of the exhibition position, so that the development and design of the light facilities for the exhibition are always one of key directions of the development of the exhibition display technology.

In consideration of the periodic characteristics of the exhibition, the lighting facilities need to have the capability of being convenient to transfer, quickly arrange and recover, and on the other hand, because the lighting facilities need to be transferred among a plurality of exhibition occasions and undergo repeated disassembly and assembly, the structural strength of the lighting facilities also needs to be strong enough, namely, the lighting facilities need to have the capability of resisting collision and have relatively long service life.

The existing light facilities are generally difficult to meet the requirements, and the problems can be effectively solved by optimally designing the structure of the light facilities. The specification of the chinese utility model patent CN211502396U discloses a modular lamp strip device, which comprises a cross-shaped aluminum profile, and a lamp strip assembly is fixed in each outer cavity of the cross-shaped aluminum profile. The specification of the chinese utility model patent CN211902401U discloses a combined lamp strip device, this lamp strip device center aluminium alloy and a plurality of cross-sections are the rectangle, the open lamp monomer aluminium alloy in outer end, and each lamp monomer aluminium alloy is connected with the equal dismouting of center aluminium alloy, all installs in each lamp monomer aluminium alloy and is fixed with lamp strip subassembly.

The modular light bar assembly and the modular light bar assembly described above have the following problems: the structural strength of section bar is lower, and this leads to taking place easily in long-time use and warp, influences light effect, and under the normal conditions, above-mentioned lamp strip device all has one and is showing the length dimension who is greater than width dimension, is the environment of frequent removal, many times dismouting again in the scene that the exhibition was used, and this problem that leads to the lamp strip device to take place to warp is more serious, and then the life of above-mentioned lamp strip device reduces, has promoted the cost of exhibition facility.

Therefore, the structure of the light bar device needs to be optimally designed to solve the aforementioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a simple structure, convenient to use, the high cross exhibition show light device that is used for the exhibition of structural strength, promote the ability that exhibition show light device kept the shape in long-time use, keep stable in structure in the scene of frequent removal, many times dismouting, promote life and reduce the cost of exhibition facility.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a cross-shaped exhibition and display lamp device for exhibitions comprises a cross-shaped central section, wherein four lamp strip assemblies are detachably mounted on the periphery of the central section; the central section comprises a middle square tube section, four side square tube sections are arranged around the middle square tube section, one side of each side square tube section is provided with a first embedded section, and the other side of each side square tube section is provided with a second embedded section; the lamp strip assembly comprises a base body profile, a connecting profile is arranged on the inner side of the base body profile, a first clamping plate profile and a second clamping plate profile are respectively arranged on two sides of the base body profile, a first embedding groove is formed among the base body profile, the first clamping plate profile and the connecting profile, a second embedding groove is formed among the base body profile, the second clamping plate profile and the connecting profile, a lamp base plate with LED lamp beads and a circuit board is installed on the outer side of the base body profile, and a lampshade is installed between the outer edges of the two clamping plate profiles; the lamp strip assembly is located between two adjacent lateral side square pipe profiles, the embedded profiles on the lateral side square pipe profiles fall into corresponding embedded grooves on the lamp strip assembly, and the connecting profiles are embedded into the space between the two adjacent embedded profiles.

The utility model has the advantages that:

the utility model provides a cross exhibition show light device for exhibition that structural design is simple reasonable compares with current lamp strip device, the utility model discloses in through the structure of optimizing the section bar of central section bar and lamp strip subassembly, promoted the structural strength of central section bar and lamp strip subassembly section bar, and then promoted the structural strength of whole exhibition show light device, make it in long-time use, remove in frequent transfer, the in-process of many times dismouting can keep self stable in structure and do not take place to warp, promoted exhibition show light device's life and reduced the cost of exhibition light facility. Set up the gomphosis section bar through the both sides at the lateral part side pipe section bar of central section bar, set up the gomphosis recess of complex with it on lamp strip subassembly section bar, make to combine inseparabler between the section bar of central section bar and lamp strip subassembly, further promoted the overall structure intensity of this cross exhibition show lamp device when avoiding lamp strip subassembly to drop. Can dismantle between setting up lamp strip subassembly and the central section bar and be connected, make this cross exhibition show lamp device can change specific structural style according to the needs of reality, consequently can the on-the-spot user demand of adaptation better, promoted the convenience of using.

Preferably: the middle square tube profile, the side square tube profiles, the first embedded profiles and the second embedded profiles of the central profile are integrally extruded and molded aluminum profiles; the base body section bar, the connecting section bar, the first clamping plate section bar and the second clamping plate section bar of the light bar assembly are integrally extruded and formed aluminum section bars.

Preferably: the lamp strip assembly is characterized by further comprising an upper end cover located at the upper end and a lower end cover located at the lower end, the upper end cover seals the upper ports of the central section bar and the lamp strip assemblies, and the lower end cover seals the lower ports of the central section bar and the lamp strip assemblies.

Preferably: the lamp strip assembly is characterized in that a lateral base section is integrally formed in the center of each lateral square tube section of the central section in an extrusion mode, a lateral through hole is formed in the lateral base section, a central through hole is formed in the middle of the base section of each lamp strip assembly, the upper end plate and the lower end plate are fixedly connected with the end portion of the section through a plurality of self-tapping screws, and the inner ends of the self-tapping screws are located in the corresponding through holes.

Preferably: two lamp holder mounting plates are arranged on two outer sides of the base section bar, folded plates are arranged on two side edges of the lamp holder plate, convex edges are arranged on the outer wall of the lamp holder mounting plates, grooves are formed in the inner sides of the two folded plates of the lamp holder plate, and the convex edges are embedded into the corresponding grooves.

Preferably: and the upper end plate is fixedly provided with a wiring terminal, and the circuit board of each light bar assembly is connected with the wiring terminal through a lead wire.

Preferably: the lamp shade is characterized in that connecting grooves are formed in the inner sides of the outer edges of the first clamping plate section bar and the second clamping plate section bar of the lamp strip assembly, and the edges of the two sides of the lamp shade are respectively embedded into the connecting grooves of the two clamping plate section bars.

Preferably: and a first reflective lining and a second reflective lining are respectively arranged on the inner walls of the first splint section bar and the second splint section bar of the light bar assembly.

Preferably: the hanging ring is fixedly arranged at the center of the upper end plate.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic bottom structure of the present invention;

fig. 3 is a schematic structural view of the upper end face of the present invention, with the upper end cover removed;

fig. 4 is a schematic cross-sectional view of the light bar assembly of the present invention;

fig. 5 is a schematic cross-sectional structure diagram of the center profile of the present invention;

fig. 6 is a schematic structural view of the suspension ring and the upper end cap in fig. 1.

In the figure:

1. conducting wires; 2. an upper end cover; 3. a wiring terminal; 4. a self-tapping screw; 5. a hoisting ring; 6. a lower end cover; 7. a light bar assembly; 7-1, a lampshade; 7-2, LED lamp beads; 7-3, a circuit board; 7-4, a lamp base plate; 7-5, connecting the groove; 7-6, a second reflective lining; 7-7, a second splint section bar; 7-8, a lamp holder mounting plate; 7-9, a second embedding groove; 7-10 of base section bar; 7-11, connecting section bars; 7-12, a central through hole; 7-13, a first embedding groove; 7-14, a first reflective lining; 7-15, a first splint section bar; 8. a central section bar; 8-1, middle square tube section; 8-2, side square tube section bars; 8-3, a second embedded section bar; 8-4, a first embedded profile; 8-5, side base section bar; 8-6 and side through holes.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, 2 and 3, the cross-shaped exhibition lamp device for exhibitions of the present invention includes a cross-shaped central section bar 8, and four light bar assemblies 7 detachably mounted around the central section bar 8. Wherein, central section bar 8 uses as the fixed baseplate of whole exhibition show lamp device, and four lamp strip subassemblies 7 are installed around central section bar 8 and are luminous after the circular telegram, consequently from the terminal surface on or from the cross-section, this exhibition show lamp device has constituted cross structural style.

The effect of connecting can dismantling between setting up each lamp strip subassembly 7 and the central section bar 8 makes this cross exhibition show lamp device's concrete form can carry out selectivity and adjust, just also makes this cross exhibition show lamp device possess different concrete structure forms through each lamp strip subassembly 7 of dismouting. In particular, one, two, three or four light bar assemblies 7 can be optionally mounted on the central profile 8, thereby forming a specific form of multiple applications, which is advantageous for adapting to the application environment of the exhibition site.

Referring to fig. 3 and 5, it can be seen that:

the central section bar 8 comprises a middle square tube section bar 8-1, four side square tube section bars 8-2 are arranged around the middle square tube section bar 8-1, one side of each side square tube section bar 8-2 is provided with a first embedded section bar 8-4, and the other side is provided with a second embedded section bar 8-3. The middle square tube profile 8-1 and the four side square tube profiles 8-2 form a main body part of the central profile 8, and the first embedded profile 8-4 and the second embedded profile 8-3 are used for being connected with the profile of the light bar assembly 7. As shown in the figure, a space for jogged connection is formed between the first jogged section bar 8-4 and the second jogged section bar 8-3 of the adjacent two side square tube section bars 8-2 at the adjacent position. As shown in the figure, each first fitting section bar 8-4 and each second fitting section bar 8-3 have the same cross-sectional shape and have a T-shaped overall shape.

In this embodiment, the middle square tube section 8-1, the side square tube sections 8-2, the first embedded sections 8-4, and the second embedded sections 8-3 of the center section 8 are integrally extruded aluminum sections, and the aluminum alloy material is obtained by an extrusion process on an extruder, so that the exhibition lamp device is constructed by cutting the entire aluminum section into appropriate length sections to have the designed length.

Referring to fig. 3 and 4, it can be seen that:

the light bar assembly 7 comprises a base section bar 7-10 positioned in the middle, a connecting section bar 7-11 is arranged on the inner side of the base section bar 7-10, a first clamping plate section bar 7-15 and a second clamping plate section bar 7-7 are respectively arranged on two sides of the base section bar 7-10, a first embedding groove 7-13 is formed among the base section bar 7-10, the first clamping plate section bar 7-15 and the connecting section bar 7-11, and a second embedding groove 7-9 is formed among the base section bar 7-10, the second clamping plate section bar 7-7 and the connecting section bar 7-11. As shown in the drawing, the sectional profile shape of the connecting profile 7-11 coincides with the sectional profile shape of the fitting space between the aforementioned first fitting profile 8-4 and second fitting profile 8-3, and the sectional profile shapes of both the first fitting groove 7-13 and second fitting groove 7-9 coincide with the sectional profile shapes of the first fitting profile 8-4 and second fitting profile 8-3.

A lamp base plate 7-4 with LED lamp beads 7-2 and a circuit board 7-3 is arranged on the outer side of the base body section bar 7-10, and a lamp shade 7-1 is arranged between the outer side edges of the two splint section bars. Wherein, the lamp base plate 7-4 is used as a base for installing the LED lamp beads 7-2 and the circuit board 7-3, the LED lamp beads 7-2 are installed on the outer surface of the lamp base plate 7-4, the circuit board 7-3 is installed on the inner surface of the lamp base plate 7-4, the circuit board 7-3 is used for connecting a plurality of LED lamp beads 7-2 on the lamp base plate 7-4 in a circuit way, therefore, when the circuit board 7-3 is connected with electricity, the LED lamp beads 7-2 are simultaneously lightened, the lampshade 7-1 is used for packaging the space between the first clamping plate section bar 7-15 and the second clamping plate section bar 7-7, a combined body formed by the lamp base plate 7-4, the LED lamp beads 7-2 and the circuit board 7-3 is packaged inside, and the lampshade 7-1 can be made of an acrylic plate.

In this embodiment, the inner sides of the outer edges of the first splint sectional material 7-15 and the second splint sectional material 7-7 of the light bar assembly 7 are provided with the connecting grooves 7-5, and the edges of the two sides of the lampshade 7-1 are respectively embedded into the connecting grooves 7-5 of the two splint sectional materials, so that the lampshade 7-1 can be conveniently detached from the sectional material of the light bar assembly 7, and the internal assembly can be conveniently installed and maintained.

In this embodiment, the base profile 7-10, the connecting profile 7-11, the first splint profile 7-15, and the second splint profile 7-7 of the light bar assembly 7 are integrally extruded aluminum profiles, and the aluminum alloy material is obtained by an extrusion process on an extruder, so that when the exhibition display lamp device is constructed, the whole aluminum profile is cut into appropriate length segments (the length of the whole aluminum profile is the same as that of the central profile 8), and the exhibition display lamp device has a designed length.

The light bar component 7 is positioned between two adjacent side square tube sectional materials 8-2, the embedded sectional materials on the side square tube sectional materials 8-2 fall into corresponding embedded grooves on the light bar component 7, and the connecting sectional materials 7-11 are embedded into a space between the two adjacent embedded sectional materials. Specifically, as shown in fig. 3, the light bar assembly 7 is located between two adjacent side square tube profiles 8-2, the first engaging profile 8-4 on the side square tube profile 8-2 is located in the second engaging groove 7-9 of the light bar assembly 7 on the left side thereof, the second engaging profile 8-3 is located in the first engaging groove 7-13 of the light bar assembly 7 on the right side thereof, and the connecting profile 7-11 of the light bar assembly 7 falls into the engaging space formed between the second engaging profile 8-3 of the side square tube profile 8-2 on the left side thereof and the first engaging profile 8-4 of the side square tube profile 8-2 on the right side thereof, so that the profile of each light bar assembly 7 and the central profile 8 are tightly combined, and the profile of the light bar assembly 7 can only be installed in place by sliding from one end of the central profile 8 and cannot be directly pulled out to the side position, therefore, the light bar assembly 7 is not easy to fall off the central section bar 8.

As shown in fig. 4, two lamp holder mounting plates 7-8 are arranged on two outer sides of the base section bar 7-10, folded plates (forming a U-shaped cross section) are arranged on two side edges of the lamp holder plate 7-4, convex ribs are arranged on the outer wall of the lamp holder mounting plate 7-8, grooves are arranged on the inner sides of the two folded plates of the lamp holder plate 7-4, and the convex ribs are embedded into the corresponding grooves. Therefore, the lamp base plate 7-4 is mounted on the two lamp base mounting plates 7-8 in a buckling mode, and the lamp base plate 7-4, the LED lamp beads 7-2 and the circuit board 7-3 can be integrally mounted or taken down in the process of assembling or maintaining (mainly replacing damaged LED lamp beads 7-2), so that the operation is convenient and fast.

As shown in fig. 1 and 2, the lighting device further comprises an upper end cover 2 at the upper end and a lower end cover 6 at the lower end, wherein the upper end cover 2 closes the upper ports of the central section bar 8 and each light bar assembly 7, and the lower end cover 6 closes the lower ports of the central section bar 8 and each light bar assembly 7. Upper end cover 2 and lower end cover 6 both are used for encapsulating the upper end and the lower extreme of this exhibition show lamp device, and this outward appearance that is favorable to promoting whole exhibition show lamp device is pleasing to the eye degree, and upper end cover 2 and lower end cover 6 both seal through the upper end and the lower extreme with exhibition show lamp device simultaneously, can effectively avoid the light leak problem, avoid from upper end and lower extreme light leak promptly.

In this embodiment, in order to improve the light emitting effect, the inner walls of the first splint sectional material 7-15 and the second splint sectional material 7-7 of the light bar assembly 7 are respectively provided with a first reflective lining 7-14 and a second reflective lining 7-6, and the first reflective lining 7-14 and the second reflective lining 7-may be selected from reflective tinfoil, and are tiled, adhered and fixed on the inner surface of the splint sectional material.

The upper end cover 2 and the lower end cover 6 both play another role in further enhancing the structural strength of the cross-shaped exhibition lamp device, in this embodiment, as shown in fig. 4 and 5, a side base section 8-5 is integrally extruded in the center of each side square tube section 8-2 of the central section 8, a side through hole 8-6 is formed in the side base section 8-5, a central through hole 7-12 is formed in the middle of each base section 7-10 of each light bar assembly 7, both the upper end plate 2 and the lower end plate 6 are fixedly connected with the end of the section by a plurality of self-tapping screws 4, and the inner ends of the self-tapping screws 4 are located in the corresponding through holes.

Specifically, as shown in the drawing, both the upper cap 2 and the lower cap 6 are also each formed in a cross shape, and are cut out from a thin metal plate. Connecting holes are formed in positions corresponding to the side through holes 8-6 in the central section bar 8 and the central through holes 7-12 in the section bar of the light bar assembly 7, self-tapping screws 4 penetrate into the connecting holes and the corresponding through holes, and the self-tapping screws 4 self-tap threads on the inner walls of the through holes to fix the upper end plate 2 and the lower end plate 6.

In this embodiment, the wiring terminals 3 are fixedly mounted on the upper end plate 2, and the circuit boards 7-3 of the light bar assemblies 7 are connected with the wiring terminals 3 through the lead wires 1. Specifically, the lead wires 1 are connected to the upper end of the circuit board 7-3, the middle portion of the lead wires is clamped by the profile of the light bar assembly 7 and the upper end plate 2, the middle portion of the lead wires is clamped by the central profile 8 and the upper end plate 2, and then the four lead wires 1 are connected to the connecting terminals 3. Binding post 3 bonds fixedly on upper end plate 2, uses as the grafting connecting terminal of standard, arranges the on-the-spot back of exhibition at this cross exhibition show lamp device, passes through grafting terminal and binding post 3 butt joint with the power cord, realizes switching on of power, and under the control action of external controller, each lamp strip subassembly 7 of this cross exhibition show lamp device is luminous, produces light effect.

It is conceivable that the outer end of the lead wire 1 and the connection terminal 3 may be connected by means of a plug connection, so that when one or more light bar assemblies 7 need to be removed according to the field situation, the light bar assemblies 7 can be quickly disconnected from the connection terminal 3.

In this embodiment, the display lamp device further comprises a hanging ring 5 for hanging and installing the cross-shaped display lamp device, and the hanging ring 5 is installed and fixed at the center position of the upper end plate 2.

The using method comprises the following steps:

a hoisting track with a hoisting point at the bottom is installed on a ceiling of an exhibition site, a plurality of the cross-shaped exhibition display lamp devices are hoisted and installed below the hoisting track by adopting slings, specifically, the upper ends of the slings are connected with the hoisting track by adopting quickly-disassembled and assembled clips, and the lower ends of the slings can be hooked and hung with a hoisting ring 5 of the cross-shaped exhibition display lamp devices by adopting a lifting hook;

the hoisting track is designed to have a certain extending shape, so that a plurality of the cross-shaped exhibition and display lamp devices form a lamp strip/lamp curtain with a lighting effect; the cross exhibition lamp device is connected with a controller on site through a power line, and under the control action of the controller, a plurality of cross exhibition lamp devices generate light effects.

Claims (9)

1. The utility model provides a cross exhibition show lamp device for exhibition, characterized by: the LED lamp strip assembly comprises a central section bar (8) with a cross-shaped section, wherein four lamp strip assemblies (7) are detachably mounted on the periphery of the central section bar (8); the central section bar (8) comprises a middle square tube section bar (8-1), four side square tube section bars (8-2) are arranged around the middle square tube section bar (8-1), one side of each side square tube section bar (8-2) is provided with a first embedded section bar (8-4), and the other side is provided with a second embedded section bar (8-3); the lamp strip component (7) comprises a base body profile (7-10), a connecting profile (7-11) is arranged on the inner side of the base body profile (7-10), a first clamping plate profile (7-15) and a second clamping plate profile (7-7) are respectively arranged on two sides of the base body profile (7-10), a first embedding groove (7-13) is formed among the base body profile (7-10), the first clamping plate profile (7-15) and the connecting profile (7-11), a second embedding groove (7-9) is formed among the base body profile (7-10), the second clamping plate profile (7-7) and the connecting profile (7-11), and a lamp base plate (7-4) with an LED lamp bead (7-2) and a circuit board (7-3) is arranged on the outer side of the base body profile (7-10), a lampshade (7-1) is arranged between the outer edges of the two splint profiles; the light bar component (7) is positioned between two adjacent side square tube sectional materials (8-2), the embedded sectional materials on the side square tube sectional materials (8-2) fall into corresponding embedded grooves on the light bar component (7), and the connecting sectional materials (7-11) are embedded into a space between the two adjacent embedded sectional materials.

2. The cross-shaped exhibition display lamp device for exhibitions of claim 1, wherein: the middle square tube section (8-1) of the central section (8), the side square tube sections (8-2), the first embedded sections (8-4) and the second embedded sections (8-3) are integrally extruded and molded aluminum sections; the base section bar (7-10), the connecting section bar (7-11), the first splint section bar (7-15) and the second splint section bar (7-7) of the light bar component (7) are integrally extruded and formed aluminum sections.

3. The cross-shaped exhibition display lamp device for exhibitions of claim 2, wherein: the lamp strip assembly is characterized by further comprising an upper end cover (2) located at the upper end and a lower end cover (6) located at the lower end, the upper end cover (2) seals the upper ports of the central sectional material (8) and the lamp strip assemblies (7), and the lower end cover (6) seals the lower ports of the central sectional material (8) and the lamp strip assemblies (7).

4. The cross-shaped exhibition display lamp device for exhibitions as claimed in claim 3, wherein: the lamp strip assembly is characterized in that a lateral base section (8-5) is integrally extruded and formed in the center of each lateral square tube section (8-2) of the central section (8), lateral through holes (8-6) are formed in the lateral base section (8-5), a central through hole (7-12) is formed in the middle of each base section (7-10) of each lamp strip assembly (7), the upper end cover (2) and the lower end cover (6) are fixedly connected with the end portions of the sections through a plurality of self-tapping screws (4), and the inner ends of the self-tapping screws (4) are located in the corresponding through holes.

5. The cross-shaped exhibition display lamp unit for exhibitions of claim 4, wherein: two lamp holder mounting plates (7-8) are arranged on two outer sides of the base section bar (7-10), folded plates are arranged on two side edges of the lamp holder plate (7-4), convex edges are arranged on the outer walls of the lamp holder mounting plates (7-8), grooves are formed in the inner sides of the two folded plates of the lamp holder plate (7-4), and the convex edges are embedded into the corresponding grooves.

6. The cross-shaped exhibition display lamp device for exhibitions of claim 5, wherein: the upper end cover (2) is fixedly provided with a wiring terminal (3), and a circuit board (7-3) of each light bar component (7) is connected with the wiring terminal (3) through a lead wire (1).

7. The cross-shaped exhibition display lamp unit for exhibitions of claim 6, wherein: the inner sides of the outer edges of the first splint sectional material (7-15) and the second splint sectional material (7-7) of the lamp strip assembly (7) are provided with connecting grooves (7-5), and the edges of two sides of the lampshade (7-1) are respectively embedded into the connecting grooves (7-5) of the two splint sectional materials.

8. The cross-shaped exhibition display lamp unit for exhibitions of claim 7, wherein: the inner walls of the first splint section bar (7-15) and the second splint section bar (7-7) of the light bar component (7) are respectively provided with a first reflective lining (7-14) and a second reflective lining (7-6).

9. The cross-shaped exhibition display lamp unit for exhibitions of claim 8, wherein: the hanging device further comprises a hanging ring (5) used for hanging and installing, and the hanging ring (5) is installed and fixed in the center of the upper end cover (2).

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