CN216047075U - Stackable Projector Lamp Stands and Lighting Units - Google Patents

Abstract

The utility model discloses a stackable projection lamp support, which comprises a mounting frame for mounting a lighting lamp and a stacking piece, wherein the stacking piece is provided with a plurality of mounting frames arranged on the mounting frame, the stacking piece comprises a first stacking part and a second stacking part which respectively protrude out of the upper end and the lower end of the mounting frame, a first clamping wall is formed on the inner side of the first stacking part, a second clamping wall matched with the groove wall of the first clamping wall is formed on the outer side of the second stacking part, two positioning surfaces with a certain included angle are respectively formed on the first clamping wall and the second clamping wall, the first clamping walls of at least two stacking pieces are opposite to each other at a certain interval in a first direction, and a clamping area is formed between the first clamping walls opposite to each other; when the two projection lamp supports are stacked, the second clamping wall of one projection lamp support extends into the clamping area of the other projection lamp support. When this profection lamp support piles up, stable in structure and easily counterpoint. The utility model also discloses a corresponding lighting device.

Description

Stackable projection lamp support and lighting device

Technical Field

The utility model relates to the field of illumination, in particular to a projection lamp support and an illumination device.

Background

The existing projection lamps, especially the stage lamps used in various places such as indoor and outdoor commercial activities, celebrations, outer spaces for performances and the like, often need a plurality of projection lamps, occupy space in the transportation process, and are very easy to damage in the transportation process. Therefore, a stackable projection lamp support is designed, and participates in patent CN201821304157.3, wherein a column-shaped overlapping column capable of being matched with a concave-convex shape is arranged on the projection lamp support, so that the projection lamp supports can be overlapped two by two.

However, such a superimposed column is small in size, is likely to be displaced when superimposed, is fragile in structure, and is likely to be deformed by an accident such as an impact during use. On the other hand, the superposed columns are serially arranged on the fixing plate of the projection lamp, so that the fixing plate is larger, and the volume of the projection lamp is increased.

Therefore, there is a need for a projector mount and an illumination device that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stackable projection lamp support which is stable in structure, easy to align and convenient to stack when being stacked.

In order to achieve the above object, the present invention discloses a stackable projector lamp support, which comprises a mounting frame for mounting an illuminating lamp, and a stack member, wherein the stack member is provided in plurality and arranged on the mounting frame, the stack member comprises a first stacking part and a second stacking part respectively protruding out of the upper end and the lower end of the mounting frame, a first engaging wall is formed on the inner side of the first stacking part, a second engaging wall matched with the groove wall of the first engaging wall is formed on the outer side of the second stacking part, two positioning surfaces forming a certain included angle are respectively formed on the first engaging wall and the second engaging wall, the first engaging walls of at least two stacks are opposite to each other at a certain distance in a first direction, and a engaging area is formed between the first engaging walls opposite to each other; when the two projection lamp supports are stacked, the second clamping wall of one projection lamp support extends into the clamping area of the other projection lamp support and is clamped with the clamping area.

Compared with the prior art, on one hand, the projection lamp support has the advantages that the parts (the first clamping wall and the second clamping wall) matched and stacked on the stacking piece of the projection lamp support are respectively provided with the positioning surfaces in two directions, the two positioning surfaces are used for positioning the projection lamp support from the two directions respectively, after stacking, the stacking structure of the projection lamp support is stable, and the positioning surfaces are bent or curved and are linear positioning surfaces, so that the stacking piece is stable in structure and is not easy to bend and break. On the other hand, when piling up, need not to align the profection lamp support completely in the first direction at the beginning, can incline the profection lamp support in the first direction to make the first block wall of the incline direction in a profection lamp support contradict in the first direction with the second block wall of another profection lamp support, then put down the opposite side of profection lamp support and can realize the counterpoint in the first direction, easily counterpoint, it is convenient to pile up. In another aspect, the first stacking portion extends out of the upper end of the mounting frame, and the second stacking portion extends out of the lower end of the mounting frame, so that when two projector supports are stacked, a mounting area with a certain height can be formed between the two projector supports, and the projecting portions of the projector supports can be conveniently placed.

Preferably, a stacking table surface capable of abutting against each other is further formed between the first stacking portion and the second stacking portion, and when the two projector lamp holders are stacked, the stacking table surface of the first stacking portion in one projector lamp holder abuts against the stacking table surface of the second stacking portion in the other projector lamp holder.

Preferably, the first engaging walls of at least two of the stacking members are located opposite to each other in a second direction, which is perpendicular to the first direction. The stack of projector mounts is constrained from two directions.

Preferably, at least one positioning surface is inclined with respect to a first direction in two first engaging walls of at least two of the stacks, which are located opposite to each other in the first direction.

Preferably, the stack is mounted outside the edge of the mounting frame, which saves space and allows the projector mount to be made smaller.

More preferably, the mounting frame is a regular polygon, and the stack is mounted at corners of the mounting frame.

Preferably, two positioning surfaces of the first engaging wall and the second engaging wall correspond to two side directions of the corner at the mounting position, so that the first engaging wall and the second engaging wall are attached to the contour of the mounting frame, and space is saved.

Preferably, the first engaging wall and/or the second engaging wall is a bent wall or a curved wall, and the positioning surface of the bent wall or the curved wall is a continuous or discontinuous positioning surface. The middle of the two positioning surfaces is connected together by bending the wall or bending the wall, and the projector lamp bracket is firm in structure and not easy to deform after being stacked.

Preferably, the mounting frame is a regular polygon, the stack is mounted at an edge of the mounting frame, the stack further includes a mounting body, an upper end of the mounting body extends upward to form the first stacking portion, a lower end of the mounting body extends downward to form the second stacking portion, and the mounting body is a bending piece corresponding to the edge. This structure makes the area of contact between installation body and the installation frame big, connects stably.

Specifically, the first stacking portion is a bending piece corresponding to the corner shape at the installation place, the second stacking portion is a bending piece corresponding to the corner shape at the installation place, and the first stacking portion and the second stacking portion are positioned through two positioning surfaces which form a certain angle and are connected, so that the structure is firm and is not prone to deformation.

Preferably, the end of the second engaging wall is inwardly contracted to form a guiding edge extending into the inner side of the first engaging wall, so that the second engaging wall can extend into the first engaging wall. The tail end of the first clamping wall is gradually narrowed from outside to inside, so that the second clamping wall can conveniently extend into the inner side of the first clamping wall.

Preferably, the side portion of the mounting body extends outwards along a direction corresponding to two side edges of the corner at the mounting position to form two sets of mounting bars, one or more first mounting holes penetrating transversely are formed in the mounting bars, a mounting groove into which the mounting bars extend is formed in a corresponding position on the mounting frame, and a first matching hole corresponding to the first mounting hole is formed in a position, corresponding to the first mounting hole, on the groove wall of the mounting groove.

Specifically, the installation body is formed by connecting two locating plates with certain contained angle, and two the locating plate is the embedding of the inside protruding formation of stretching of locating plate the reinforcing platform of installation frame, the horizontal both ends of reinforcing platform are two respectively the face direction of locating plate extends and forms one or more the mounting bar.

More specifically, the reinforcing platform is provided with a through hole which runs through along the longitudinal direction of the stacking piece, so that materials are saved, and a frame structure formed by the reinforcing platform supports two positioning plates of the positioning body.

More specifically, seted up second mounting hole and the through-hole that runs through on the vertical terminal surface of reinforcing platform, the installation frame with the position that the second mounting hole corresponds seted up with second mounting hole complex second mating holes, will fix a position the body and install on the installation frame from upper and lower end.

Preferably, the first stacking portion includes two positioning plates disposed at a certain included angle, and each of the positioning plates is provided with a through adjusting hole. An operator can stretch a hand into the fine adjusting hole to adjust the stacking position of the projection lamp support, the adjusting hole can also be used as a holding position of the hand, and the hand can conveniently lift the projection lamp support to stack.

The utility model also discloses an illuminating device, which comprises a projection lamp bracket and a projection lamp arranged on the projection lamp bracket, wherein the projection lamp bracket is as described above.

Drawings

Fig. 1a is a schematic view of an angle structure of a lighting device according to a first embodiment of the present invention.

Fig. 1b is a schematic view of another angle structure of the lighting device according to the first embodiment of the present invention.

Fig. 2a to 2b are schematic views of a projector mount stack of two illuminators according to a first embodiment of the present invention.

Fig. 3 is a top view of a lighting device in a first embodiment of the present invention.

Fig. 4a is a cross-sectional view taken along line a-a of fig. 3.

Fig. 4b is a schematic cross-sectional view of a projector mount stack of two illuminators according to the first embodiment of the present invention.

FIG. 5a is a schematic view of an angle of the stack according to the first embodiment of the present invention.

FIG. 5b is a schematic view of another angle of the stack according to the first embodiment of the present invention.

Fig. 6a to 6d are schematic cross-sectional views of a first stack portion and a second stack portion of a stack according to various preferred embodiments of the present invention.

Fig. 7 is a schematic structural diagram of a lighting device in a second embodiment of the present invention.

FIG. 8a is a schematic view of an angle of the stack according to the second embodiment of the present invention.

FIG. 8b is a schematic view of another angle of the stack according to the second embodiment of the present invention.

Fig. 9 is a schematic view of a projector mount according to a preferred embodiment of the utility model.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1:

referring to fig. 1a and 1b, the utility model further discloses an illumination device 200, which comprises a projector lamp bracket 100, a projector lamp 40 mounted on the projector lamp bracket 100, and a mounting bracket 30 mounted on the projector lamp bracket 100 for supporting the projector lamp bracket 10.

Referring to fig. 1a and 1b, the bottom of the mounting bracket 30 is provided with an insertion rod 31 that can be inserted into the base, and two handle rings 32 are formed on two sides of the projector lamp bracket 100 of the mounting bracket 30.

Referring to fig. 1a and 1b, the lighting device 200 further includes a heat dissipation mechanism (heat dissipation fan) mounted on the projector mount 100, and a driving mechanism for driving the projector 40 to operate.

In this embodiment, the projector 40 is mounted on the projector mount 100

Referring to fig. 1a to 4b, the projector mount 100 includes a mounting frame 10 for mounting an illumination lamp 40 and a plurality of stacking members 20 mounted on the mounting frame 10, wherein the stacking members 20 are disposed at a plurality of corners of the periphery of the mounting frame 10 at a certain interval. Referring to fig. 2a to 2b, when the projector mount 100 is stored or transported, a plurality of projector mounts 100 are stacked in sequence by the stack 20, and the upper stack 20 is engaged with the lower stack 20 to restrict the movement of the projector mounts 100 in the lateral direction.

Referring to fig. 1a to 4a, the stack 20 includes a mounting body 21 disposed at a corner of a periphery of the mounting frame 10, a first stacking portion 22 extending upward along an upper end of the mounting body 21 and extending out of an upper end of the mounting frame 10, and a second stacking portion 23 extending downward along a lower end of the mounting body 21 and extending out of a lower end of the mounting frame 10, wherein a first engaging wall 221 is formed in the first stacking portion 22, a second engaging wall 232 is formed outside the second stacking portion 22, and the second engaging wall 232 is capable of engaging with the first engaging wall 221. The first engaging wall 221 and the second engaging wall 232 respectively have at least two positioning surfaces with a certain angle. The included angle between the two positioning surfaces includes a right angle and other angles, and the embodiment is a right angle.

In this embodiment, the mounting frame 10 is rectangular, the corners are right angles, and the four corners are provided with the stack 20. Of course, the mounting frame 10 may also be in the form of other regular polygons, where the corners are corresponding angles, wherein at least two corners are provided with a stack.

Of course, the mounting frame 10 may also have other shapes, such as a circle, an ellipse, etc., in this case, the stack 20 is disposed outside or inside the peripheral edge of the mounting frame 10 at a certain interval, and in the stack 20, the positioning surfaces of the first engaging wall 221 and the second engaging wall 232 may have shapes corresponding to the edge, or may also be bent surfaces or curved surfaces with a certain included angle.

Referring to fig. 4a, the first engaging walls 221 of at least two of the stacks 20 are opposite to each other at a certain distance in the first direction, and an engaging region is formed between the first engaging walls 221 opposite to each other. Referring to fig. 4b, when two of the projector lamp holders 100 are stacked, in one of the projector lamp holders 100, on the stack 20 corresponding to the engaging region, two second engaging walls 232 on the other side of the projector lamp holder 100 extend into the other projector lamp holder, between two first engaging walls 221 in the engaging region, and the first engaging walls 221 and the second engaging walls 232 engaged with each other are laterally abutted, so that the stack 20 of one projector lamp holder 100 is engaged with the stack 20 of the other projector lamp holder 100, and the second engaging walls 232 of the first projector lamp holder 100 extend into the corresponding engaging region of the second projector lamp holder 100 and are engaged with the engaging region.

Referring to fig. 4a and 4b, the first stacking portion 22 and the second stacking portion 23 further have mutually abutting stacking surfaces 222, 231 formed therebetween, and when two projector supports 100 are stacked, the stacking surface 222 of the first stacking portion 22 of one projector support 100 abuts against the stacking surface 231 of the second stacking portion 23 of the other projector support 100.

In this embodiment, the stacking table 222 is formed at the end of the first stacking portion 22, and the stacking table 231 is protruded on the second engaging wall 232 of the second stacking portion 23, so that the outer side of the second stacking portion 23 is stepped. Of course, the stacking table 222 may also be protruded from the first engaging wall 221 of the first stacking portion 22, and the stacking table 231 is formed at the end of the second stacking portion 23. Of course, the stacking table may not be provided, and the highest point and the lowest point of the housing in the projector lamp holder 100 may be used for limiting the position in the up-down direction.

Referring to fig. 3, the first engaging walls 221 of at least two of the stacks 20 are opposite in position in a second direction, which is perpendicular to the first direction. Of course, the second direction may be at some other angle (non-parallel) with the first direction, and is not limited to 90 degrees.

Of course, referring to fig. 9, the stack 20 may also be symmetrically disposed with respect to a center line parallel to the first direction, and in this case, the first engaging walls 221 of the stack 20 may be opposite to each other only in the first direction. Of course, the two positioning surfaces of the stack 20 are each angled with respect to the first direction, in which case the stack 20 may be opposite in the first direction only. The position of the intersection point (virtual point or actual point) of the two positioning surfaces in one stack 20 is referred to as point B, and the relative direction of the two stacks 20 is the connecting line of the intersection points B of the two stacks 20. The first engaging walls 221 of the two stacking members 20 are opposite in position, and include at least one positioning surface of the two first engaging walls 221 facing each other, at least one positioning surface of the two first engaging walls 221 being parallel and staggered oppositely, at least one positioning surface of the two first engaging walls 221 facing each other at a certain included angle (non-right angle), and at least one positioning surface of the two first engaging walls 221 facing each other at a certain included angle (non-right angle) and staggered in position.

The plurality of stacks 20 in the same projector mount 100 may have the same structure or different structures, as long as the first stack portion 22 and the second stack portion 23 of the same stack 20 can be engaged with each other.

Referring to fig. 4b, the first stacking portion 22 extends out of the upper end of the mounting frame 10, and the second stacking portion 23 extends out of the lower end of the mounting frame 10, so that when two projector brackets 100 are stacked, a mounting area with a certain height is formed between the two projector brackets 100, thereby facilitating the placement of a protruding portion on the projector brackets 100.

In this embodiment, the two positioning surfaces of the first engaging wall 221 correspond to the two side directions of the corner at the installation position. The two positioning surfaces of the second engaging wall 232 correspond to the two side directions of the corner at the installation position.

In this embodiment, the first engaging wall 221 corresponds to an edge shape, which means that a positioning surface formed by a groove wall of the first engaging wall 221 corresponds to two sides of the edge. In this embodiment, the cross section of the second engaging wall 232 also corresponds to the shape of the corresponding corner.

In this embodiment, the groove wall of the first engaging wall 221 is formed by connecting two straight walls at a right angle, and the cross section of the groove wall of the first engaging wall 221 is bent. The positioning surface inside the first engaging wall 221 is a groove wall of the first engaging wall. The cross section of the sidewall of the second engaging wall 232 is formed by connecting two straight walls at right angles, and the cross section of the sidewall of the second engaging wall 232 is bent. The positioning surface of the second engaging wall 232 is a side wall of the second engaging wall 232.

Of course, the second engaging wall 232 may also be composed of a plurality of engaging protrusions (as shown in fig. 6 c) disposed at a certain interval corresponding to the two corner sidewalls. The groove wall of the first engaging wall 221 may be a continuous groove wall or an intermittent groove wall (not shown).

In this embodiment, the corner is a right angle, and the first engaging wall 221 is a right-angled bending surface. However, the shape of the first engaging wall is not limited thereto, and the first engaging wall 221 is a curved surface (as shown in fig. 6a to 6 d). In this embodiment, the second engaging wall 232 and the first engaging wall 221 are bent to form a right angle, but of course, the groove wall may have other shapes, and is not limited to a right angle.

Fig. 6a to 6d show four embodiments.

Referring to fig. 6a, the first engaging wall 221 is a curved wall, and the second engaging wall 232 is a curved wall, specifically, the positioning surface of the second engaging wall 232 is a right-angle surface with a chamfer, and the positioning surface of the first engaging wall 221 is a right-angle surface with a chamfer which is matched with the second engaging wall 2232. (in this embodiment, the positioning surface of the first engaging wall 221 can also be a right-angle surface in the first embodiment)

Referring to fig. 6b, the first engaging wall 221 is a bent wall, the positioning surface of the first engaging wall 221 is a right-angle surface, the second engaging wall 232 is composed of two positioning walls, the two positioning walls are arranged at a certain angle, the second engaging wall 232 is connected to the separating member on the mounting body 21, and the positioning surface of the second engaging wall 232 is two separated positioning surfaces, which are discontinuous positioning surfaces. In this embodiment, the cross sections of the two second engaging walls are arc-shaped. In this embodiment, the second engaging wall 232 is separated from the first engaging wall, and the two positioning surfaces are arranged at a right angle.

Referring to fig. 6c, the first engaging wall 221 is a curved wall, a plurality of protrusions are convexly disposed on a side wall of the first engaging wall 221, the positioning surface is formed on the top of the protrusions, and the positioning surface of the first engaging wall 221 is an intermittent positioning surface. The second engaging wall 232 is a curved wall, and the positioning surface of the second engaging wall 232 is a right-angle surface with a chamfer and is a continuous positioning surface.

Referring to fig. 6d, the first engaging wall 221 is a curved wall, and the positioning surface of the first engaging wall 221 is a right-angled surface with a chamfer and is a continuous surface. The second engaging wall 232 is a curved wall, a plurality of concave-convex structures are formed on the second engaging wall 232, and the positioning surface of the second engaging wall 232 is formed on the convex end surface of the second engaging wall 232, so that the positioning surface of the second engaging wall 232 is a discontinuous surface.

Referring to fig. 1b, the mounting body 21 is a bending piece corresponding to the shape of the corner at the mounting place. The first stacking portion 22 is a bending piece corresponding to the shape of the corner at the installation position. Referring to fig. 1a and 1b, the second stacking portion 23 is a bending piece corresponding to the shape of the corner at the installation site.

Referring to fig. 1a, the end of the second engaging wall 232 is inwardly contracted to form a guide edge 233 extending into the first engaging wall 221. Of course, the entrance of the stacking groove 221 may be tapered from the outside to the inside to form a guide groove wall, so that the second engaging wall 232 can extend into the stacking groove 221.

Referring to fig. 5a and 5b, the side of the mounting body 21 extends outwards along the direction corresponding to the two sides of the corner to form two sets of mounting bars 24, the two sets of mounting bars 24 are at a certain angle, and one or more first mounting holes 241 are opened on the mounting bars 24. Referring to fig. 1b, a mounting groove (not shown) into which the mounting bar 24 extends is formed at a corresponding position on the mounting frame 10, and a first matching hole 242 corresponding to the first mounting hole 241 is formed at a position corresponding to the first mounting hole 241 on a groove wall of the mounting groove.

Referring to fig. 5a and 5b, the mounting body 22 is formed by two positioning plates 201 at a certain included angle and connected together, the two positioning plates 201 protrude inwards to form a reinforcing platform 25 embedded in the mounting frame 10, and two transverse ends of the reinforcing platform 25 extend along the plate surface directions of the two positioning plates 201 respectively to form a plurality of mounting bars 24.

In this embodiment, the plate surface directions of the two positioning plates 201 correspond to the two side directions of the edge of the installation position of the stack 20.

Referring to fig. 3, in the projector mount 100, a selection is made counterclockwise starting from the lower left corner to order the stacks 20. The first and second stacks 20, 20 form a first snap-fit region of a length in the first direction, the first and fourth stacks 20, 20 form a second snap-fit region of a length in the second direction, the second and third stacks 20, 20 form a third snap-fit region of a length in the second direction, and the third and fourth stacks 20, 20 form a fourth snap-fit region of a length in the first direction.

Referring to fig. 4b, during stacking, the projector lamp holders 100 are aligned in the second direction, and then one projector lamp holder 100 is first placed on another projector lamp holder 100 along one side of the first direction in an inclined manner, in one transmissive lamp holder 100, the engaging surfaces in the first direction of the first engaging wall 221 of the first stack 20 and the first engaging wall 221 of the fourth stack 20 are abutted against the engaging surfaces in the first direction of the second engaging wall 232 of the first stack 20 and the second engaging wall 232 of the fourth stack 20 in the other projector lamp holder 100; meanwhile, in one transmissive lamp holder 100, the engaging surfaces in the second direction of the second engaging wall 232 of the first stack 20 and the second engaging wall 232 of the fourth stack 20 respectively extend into the fourth engaging region in the other transmissive lamp holder 100 to achieve the engagement in the second direction.

Then, the projector lamp holder 100 is placed on another projector lamp holder 100 along the other side of the first direction, in one transmissive lamp holder 100, the engaging surfaces in the first direction of the second engaging wall 232 of the second stack 20 and the second engaging wall 232 of the third stack 20 extend into the other projector lamp holder 100, and the engaging surfaces in the first direction of the first engaging wall 221 of the second stack 20 and the first engaging wall 221 of the third stack 20 are inward, so that in one transmissive lamp holder 100, the second engaging wall 232 of the first stack 20 and the second engaging wall 232 of the second stack 20 engage with the first engaging region of the other transmissive lamp holder 100. Meanwhile, in one transmissive lamp holder 100, the second engaging wall 232 of the fourth stack 20 and the second engaging wall 232 of the third stack 20 engage with the third engaging region of another transmissive lamp holder 100. Meanwhile, in one transmissive lamp holder 100, the engaging surfaces in the second direction of the second engaging wall 232 of the second stack 20 and the second engaging wall 232 of the third stack 20 respectively extend into the second engaging area of the other transmissive lamp holder 100 to achieve the engagement in the second direction.

In the above process, the operation of aligning the projector lamp holder 100 in the second direction during stacking may be performed by tilting the corner of the fourth stack 20 of the projector lamp holder 100 to be stacked downward and abutting against the corresponding corner of the other projector lamp holder 100, and then lowering the corner of the first stack 20 of the projector lamp holder 100, while the corners of the second stack 20 and the third stack 20 are still kept high, and at this time, the projector lamp holder 100 is aligned in the second direction and tilted toward one side in the first direction. Of course, the projector mount 100 may be prevented from being tilted in the first direction directly after being aligned in the second direction.

Above, only need align profection lamp support 100 in a direction or align a stack piece when piling up, then with the stack piece whereabouts of other directions, can realize counterpointing and pile up, counterpoint the accuracy, it is convenient to pile up.

Example 2:

referring to fig. 7, a second embodiment of the present invention is different from the first embodiment in that another lighting device 200a is disclosed, wherein in the stack 20a of the projector support 100a, the first stacking portion 22a includes two positioning plates 220a disposed at a certain angle, each of the positioning plates 220a is formed with an adjusting hole 26, and the adjusting holes 26 are disposed along a transverse direction.

Referring to fig. 8a, two positioning plates 220a are formed with reinforcing platforms 25a protruding inward and embedded in the mounting frame 10, and both lateral ends of the reinforcing platforms 25a extend along both sides of the corresponding corner to form a plurality of the mounting bars 24.

Specifically, the reinforcing platform 25a is provided with a through hole 251 extending through along the longitudinal direction of the stack 20, an end of the through hole is provided with a second mounting hole 252, and a position of the mounting frame 10 corresponding to the second mounting hole 252 is provided with a second fitting hole (not shown) fitting with the second mounting hole 252.

Preferably, for positioning convenience, the second engaging wall 232 of the second stacking portion 23 is provided with a positioning protrusion (not shown) corresponding to the position of the adjusting hole 26 and capable of extending into the adjusting hole 26.

The positioning protrusion is an elastic guiding protrusion, and when the projector lamp holders are stacked, the second engaging wall 232 can be retracted in a pressing state, and when the projector lamp holders 100a reach a predetermined position, the positioning protrusion is opposite to the adjusting hole 26 and extends into the adjusting hole 26 to lock the positions of the two projector lamp holders 100 a.

Wherein the positioning protrusion may be a latch slidably mounted on the second stacking portion 23 and movable to a first position where the latch is retracted relative to the second stacking portion 23 and a second position where the latch is protruded relative to the second stacking portion 23. When the two projector holders 100a are stacked together, the positioning protrusion of one projector holder 100a is disposed at the adjusting hole 26 of the other projector holder 100a, and the fixture block can be moved from the first position to the second position by moving the fixture block, and the fixture block protrudes to engage with the adjusting hole 26, so as to lock the positions of the two projector holders 100 a. Preferably, in this embodiment, an elastic member is further disposed between the latch and the second stacking portion 23, and the elastic member provides a protruding elastic force for the latch or provides an elastic force for pushing and pulling the latch from the first position to the second position.

Of course, the installation positions of the stacks 20 and 20a are not limited to the corners of the projector brackets 100 and 100a, and may be provided at other edges or in the edges.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims (10)

1. A stackable projection lamp bracket, characterized in that, comprising: Mounting frame for lighting; There are a plurality of stacking pieces and are arranged on the mounting frame, the stacking piece includes a first stacking part and a second stacking part respectively protruding from the upper end and the lower end of the mounting frame, the first stacking part is The inner side is formed with a first engaging wall, the outer side of the second stacking portion is formed with a second engaging wall matched with the groove wall of the first engaging wall, the first engaging wall and the second engaging wall are formed. Two positioning surfaces with a certain included angle are respectively formed on the closing walls, and the first engaging walls of at least two of the stacking pieces are opposite to each other at a certain distance in the first direction, and the first engaging walls that are opposite in position Form a snap-in area between; When the two projection lamp brackets are stacked, the second engagement wall of one projection lamp bracket extends into the engagement area of the other projection lamp bracket and engages with the engagement area. 2 . The stackable projection lamp bracket according to claim 1 , wherein a stacking table surface that can interfere with each other is formed between the first stacking part and the second stacking part, and the two projection lamps When the brackets are stacked, the stacking table of the first stacking part in one of the projection lamp brackets collides with the stacking table of the second stacking part in the other projection lamp bracket. 3 . The stackable projector lamp bracket of claim 1 , wherein the first engaging walls of at least two of the stacking elements are positioned opposite to each other in a second direction, and the second direction is the same as the first direction. 4 . At least one positioning surface is inclined relative to the first direction in at least one of the two first engaging walls that are perpendicular to each other, or at least two of the two stacking elements that are positioned opposite to each other in the first direction. 4 . The stackable projector lamp bracket of claim 1 , wherein the end of the second engaging wall is retracted inward to form a guide edge extending into the first engaging wall; the first stacking The part includes two positioning plates arranged at a certain angle, and each of the positioning plates is provided with a through adjustment hole. 5 . The stackable projection lamp bracket of claim 1 , wherein the first engaging wall and/or the second engaging wall is a bent wall or a curved wall, and the The positioning surface is a continuous or discontinuous positioning surface. 6 . The stackable projection lamp bracket of claim 1 , wherein the stacking member is mounted outside the edge of the mounting frame. 7 . 7 . The stackable projection lamp bracket of claim 6 , wherein the mounting frame is a regular polygon, and the stacking member is mounted on the corners of the mounting frame; the first engaging wall and the The two positioning surfaces of the second engaging wall correspond to the two lateral directions of the edge and corner at the installation location. 8 . The stackable projector lamp bracket of claim 7 , wherein the stacking element further comprises a mounting body, the upper end of the mounting body extends upward to form the first stacking portion, and the mounting body has an upper end. 9 . The lower end extends downward to form the second stacking portion, and the mounting body is a bent piece corresponding to the angular shape of the mounting location. 9 . The stackable projection lamp bracket of claim 8 , wherein the mounting body is formed by connecting two positioning plates at a certain angle, and the two positioning plates protrude inwardly to form an embedded seat. 10 . The reinforcement table of the installation frame, the two lateral ends of the reinforcement table respectively extend along the board surface direction of the two positioning plates to form one or more installation bars, and the installation bars are provided with one or more transversely penetrating first strips. an installation hole, a corresponding position on the installation frame is provided with an installation groove for the installation strip to extend into, and a groove wall of the installation groove is formed with a position corresponding to the first installation hole. a first matching hole corresponding to the installation hole; the reinforcing table is provided with a through hole along the longitudinal direction of the stacking piece, and a second installation hole and a through hole are formed on the longitudinal end face of the reinforcing table. A position corresponding to the second mounting hole of the frame is provided with a second matching hole matched with the second mounting hole. 10. An illuminating device, characterized in that it comprises a projection lamp bracket and a projection lamp mounted on the projection lamp bracket, the projection lamp bracket according to any one of claims 1-9.

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