CN212319554U

CN212319554U - Light projector

Info

Publication number: CN212319554U
Application number: CN202020868143.5U
Authority: CN
Inventors: 李明珠; 邹豪; 王伟
Original assignee: Shenzhen Overclocking Technology Co ltd
Current assignee: Shenzhen Overclocking Technology Co ltd; Shenzhen Fluence Technology PLC
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-08
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a projection lamp, which comprises a radiator, a frame body, a sealing ring, a cover plate and a fastener, wherein the radiator comprises a radiating base plate and a plurality of radiating fins; the frame body is fixed on the second surface of the radiating substrate, the frame body and the radiating substrate form an installation cavity for assembling the light source, the frame body is provided with a pair of through grooves which penetrate through the upper end and the lower end of the frame body, the upper end of the frame body is also provided with a first assembling groove and a second assembling groove, and the pair of through grooves are used for receiving hot melt adhesive to flow from the upper end of the frame body to the lower end of the frame body; the sealing ring comprises a main ring piece, a first convex ring part and a second convex ring part, wherein the first convex ring part and the second convex ring part are arranged on the lower surface of the main ring piece and are matched and embedded with the first assembling groove and the second assembling groove; the cover plate is arranged at the upper end of the frame body in a covering mode; the fastener is bent after punching through the metal plate body of thickness homogeneous and is formed, and the fastener is laminated with the surface of framework mutually, and the one end of fastener is pressed and is detained the upper surface at the apron, and the other end of fastener is equipped with the screw hole and through the first surface with screw hole complex screw butt at the heat dissipation base plate.

Description

Light projector

Technical Field

The utility model relates to the field of lighting technology, in particular to projecting lamp.

Background

The LED projection lamp is also known as an LED spotlight and an LED projection lamp. Generally, it can be aimed in a predetermined direction and has a structure that is not affected by the weather conditions. The LED lighting lamp is mainly used for lighting large-area operation sites, mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like.

However, most of the existing projection lamps have the technical problems of complex structure and poor sealing property.

SUMMERY OF THE UTILITY MODEL

The application provides a framework of projecting lamp to solve the poor technical problem of projecting lamp leakproofness among the prior art.

In order to solve the technical problem, the application adopts a technical scheme that: providing a light projector, the light projector comprising:

the radiator comprises a radiating substrate and a plurality of radiating fins arranged on the first surface of the radiating substrate;

the frame body is fixed on the second surface of the heat dissipation substrate, the frame body and the heat dissipation substrate form an installation cavity for assembling a light source, the frame body is provided with an opposite through groove which penetrates through the upper end and the lower end of the frame body, the upper end of the frame body is also provided with a first assembling groove and a second assembling groove, and the opposite through groove is used for receiving hot melt adhesive to flow from the upper end of the frame body to the lower end of the frame body;

the sealing ring comprises a main ring piece, a first convex ring part and a second convex ring part, wherein the first convex ring part and the second convex ring part are arranged on the lower surface of the main ring piece and are matched and embedded with the first assembling groove and the second assembling groove;

the cover plate is arranged at the upper end of the frame body in a covering manner;

the fastener is formed by bending a metal plate body with uniform thickness after stamping, the fastener is attached to the outer surface of the frame body, one end of the fastener is pressed and buckled on the upper surface of the cover plate, and the other end of the fastener is provided with a threaded hole and is abutted to the first surface of the heat dissipation substrate through a screw matched with the threaded hole.

The beneficial effect of this application is: be different from prior art's condition, the utility model provides a framework structure of projecting lamp is novel, reliable and stable, and water-proof effects is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a schematic perspective view of a projection lamp according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another view angle of the projector according to the embodiment of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a projector according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of a projector according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a fastener of a projector provided by an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a projection lamp, which includes a heat sink 100, a frame 200, a sealing ring 300, a cover plate 400, a fastener 500, a light source substrate 600, a plurality of lenses 620, a power source 700, a power source bracket 710, and a fixing bracket 720.

The heat sink 100 includes a heat dissipation substrate 110 and a plurality of heat dissipation fins 120 disposed on a first surface of the heat dissipation substrate 110, wherein the heat dissipation substrate 110 has a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are used for mounting a respirator and a waterproof connector, respectively. The heat sink 100 may be formed by die-casting or extruding a material with good heat dissipation performance (e.g., aluminum).

As shown in fig. 3 and 4, the frame 200 may be integrally injection molded by using a plastic material. The frame 200 may be fixed to the second surface of the heat dissipation substrate 110 by screws, the frame 200 and the heat dissipation substrate 110 form a mounting cavity for mounting the light source, and the light source substrate 600 and the plurality of lenses 620 are disposed in the mounting cavity.

The frame body 200 is provided with a through groove 205 penetrating through the upper end and the lower end of the frame body 200, the upper end of the frame body 200 is also provided with a first assembly groove 201 and a second assembly groove 202, and the through groove 205 is used for receiving hot melt adhesive flowing from the upper end of the frame body 200 to the lower end of the frame body 200; the first and

second fitting grooves

201 and 202 are for receiving the fitting of the seal ring 300. The lower end of the frame body 200 is further provided with a third assembling groove 203 and a fourth assembling groove 204, and the third assembling groove 203 and the fourth assembling groove 204 are used for being embedded with the hot melt adhesive.

The through grooves 203 can reduce the weight of the frame body, reduce the material cost, facilitate the production of a mold and prevent plastic shrinkage from generating bad appearance due to too thick rubber.

In the embodiment of the present invention, the frame 200 includes a first frame 210, a second frame 220, a third frame 230, a plurality of connecting blocks 215, a plurality of screw seats 216, and a connecting ring 225.

The second frame 220 surrounds the first frame 210, the through groove 205 is disposed between the first frame 210 and the second frame 220, and the first assembly groove 201 and the second assembly groove 202 are disposed at the upper ends of the first frame 210 and the second frame 220, respectively.

The plurality of connection blocks 215 are connected between the opposite surfaces of the first frame 210 and the second frame 220, and the plurality of connection blocks 215 may have a rectangular block shape and be vertically connected to the first frame 210 and the second frame 220.

A plurality of screw seats 216 are connected between the opposite surfaces of the first frame body 210 and the second frame body 220, the screw seats 216 are provided with through holes 217 to receive screws to pass through for fixing assembly with the heat dissipation substrate 110, and the through holes 217 may be stepped holes to receive screw countersunk assemblies.

The screw base 216 is arranged between the first frame body 210 and the second frame body 220, so that the thickness of the frame body 200 can be reduced, the narrow frame design is realized, the size of the installation cavity is increased, more lenses 620 and luminous bodies can be accommodated, and the power of the projection lamp can be higher.

The third frame 230 surrounds the periphery of the second frame 220, the lower end of the third frame 230 is flush with the lower end of the first frame 210 to prevent the hot melt adhesive from overflowing, the upper end of the third frame 230 is higher than the upper end of the first frame 210, and after the sealing ring 300 and the cover plate 400 are sequentially assembled on the frame 200, the upper end of the third frame 230 is still higher than the cover plate 400 to protect the cover plate 400.

The second frame body 220 and the third frame body 230 are connected at intervals through a connecting ring 225, the height of the connecting ring 225 is smaller than that of the second frame body 220, the height of the second frame body 220 is smaller than that of the first frame body 210, the upper and lower surfaces of the second frame body 220, the third frame body 230 and the connecting ring 225 respectively form a first groove body 226 and a second groove body 227, and the second groove body 227 is communicated with the through groove 205, the third assembling groove 203 and the fourth assembling groove 204, so that hot melt adhesive can be received and filled in the through groove, and a good sealing and waterproof effect is achieved. The surfaces of the first frame 210 and the second frame 220 opposite to the upper ends thereof are provided with a slope surface so as to form a press-fit with the sealing ring 300.

The frame body 200 provided by the utility model can provide two sealing modes, firstly, the cover plate 400 and the radiator 100 are bonded into a waterproof cavity body through hot melt adhesive; secondly, the frame body 200 is provided with hot melt adhesive, and the top end of the frame body 200 is also provided with a sealing ring 300 and tightly pressed on the cover plate 400 through a fastener 500 to realize sealing.

The sealing ring 300 includes a main ring plate 310, a first protruding ring portion 311 and a second protruding ring portion 312 disposed on the lower surface of the main ring plate 310, a blocking ring rib 313 disposed between the first protruding ring portion 311 and the second protruding ring portion 312, and at least two sealing ring ribs 314 disposed on the upper surface of the main ring plate 310.

The first and second protruding

ring parts

311 and 312 are fitted in the first and

second mounting grooves

201 and 202, and the blocking ring rib 313 is fitted between the upper ends of the first and

second frame bodies

210 and 220. The cross-section of the sealing ring rib 314 may be semicircular.

The cover plate 400 is pressed on the sealing ring rib 314 and covers the upper end of the frame body 200, and the cover plate 400 is a glass plate or a plastic plate.

The fastener 500 is formed by pressing and bending a metal plate with uniform thickness, the fastener 500 is attached to the outer surface of the frame 200, one end of the fastener 500 is pressed and fastened on the upper surface of the cover plate 400, and the other end of the fastener 500 is provided with a threaded hole 512 and is abutted against the first surface of the heat dissipation substrate 110 through a screw 513 matched with the threaded hole.

Specifically, as shown in fig. 5, the fastener 500 includes a first plate 510, a second plate 520, a third plate 530, a fourth plate 540, and a fifth plate 550, which are sequentially bent and connected, the first plate 510 is connected to a first side of the second plate 520, the third plate 530, the fourth plate 540, and the fifth plate 550 are connected to a second side of the second plate 520, the third plate 530, the fourth plate 540, and the fifth plate 550 are sequentially connected in a descending step shape, the first plate 510 has a threaded hole 512, and the first plate 510 and the fifth plate 550 are opposite to each other at intervals.

First plate 510 and fifth plate 550 are vertically disposed with respect to second plate 520, and fourth plate 540 connects third plate 530 and fifth plate 550 to each other in an inclined manner. Second plate body 520 is provided with first logical groove 521, and first logical groove 521 extends in the length direction of second plate body 520, and fifth plate body 550 is provided with second logical groove 551, and second logical groove 551 extends in the length direction of fifth plate body 550. The first through groove 521 and the second through groove 551 have the effects of reducing material and reducing material cost. The fastening member 500 is formed by punching and bending a metal plate body with a uniform thickness, and the length of the first plate body 510 is less than or equal to the width of the fifth plate body 550.

Since the interval between the radiator fins 120 is relatively small, the first plate body 510 may be relatively narrow to be embedded between two adjacent radiator fins 120. The fastener 500 has a material thickness greater than or equal to 2.5 millimeters. If the thickness of the material of the fastener 500 is too small, it is inconvenient to machine the threaded hole 512. The end corners of the fifth plate 550 are provided with rounded corners for transition, so as to avoid too sharp and easy scraping. The fastener 500 also includes a screw 513 that mates with the threaded hole 512.

The utility model provides a fastener 500 makes very simply, and production efficiency is higher, and it is very convenient to use, and is firm reliable.

As shown in fig. 3, the light source substrate 600 is fixed on the second surface of the heat dissipation substrate 110 and located on the inner periphery of the frame 200, and a plurality of groups of LED lamps 610 are arrayed on the light source substrate 600, and each group of LED lamps 610 is composed of a plurality of LEDs. The lens 620 is sleeved on each group of LED lamps 610 and pressed by the cover plate 400.

As shown in fig. 1 and 2, the power supply 700 is fixed by the power supply bracket 710, and the power supply bracket 710 is further fixed to the heat dissipation fins 120 such that the power supply 700 is spaced apart from the heat dissipation fins 120. The fixing bracket 720 is fixed to the outermost heat dissipation fins 120.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes of the present invention are utilized, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a projecting lamp which characterized in that: the projecting lamp includes:

2. The light projector according to claim 1, characterized in that: the projection lamp further comprises a light source substrate, the light source substrate is fixed on the second surface of the heat dissipation substrate and located on the inner periphery of the frame body, multiple groups of LED lamps are arrayed on the light source substrate, and each group of LED lamps is composed of multiple LEDs.

3. The light projector according to claim 2, characterized in that: the projection lamp also comprises a plurality of lenses, and the lenses are sleeved on each group of LED lamps and pressed through the cover plate.

4. The light projector according to claim 1, characterized in that: the cover plate is a glass plate or a plastic plate.

5. The light projector according to claim 1, characterized in that: the projection lamp further comprises a respirator and a waterproof connector, the heat dissipation substrate is provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are respectively used for mounting the respirator and the waterproof connector.

6. The light projector according to claim 1, characterized in that: the projection lamp further comprises a power supply and a power supply support, wherein the power supply is fixed through the power supply support, and the power supply support is further fixed with the radiating fins and enables the power supply and the radiating fins to be spaced.

7. The light projector according to claim 1, characterized in that: the projection lamp further comprises a fixing support, and the fixing support is fixed with the heat dissipation fins on the outermost side.

8. The light projector according to claim 1, characterized in that: the sealing ring is characterized by further comprising a blocking ring rib arranged between the first convex ring part and the second convex ring part, the frame body comprises a first frame body and a second frame body, the second frame body surrounds the periphery of the first frame body, the opposite through grooves are formed in the first frame body and the second frame body, and the blocking ring rib is embedded between the first frame body and the upper end of the second frame body.

9. The light projector according to claim 1, characterized in that: the sealing ring further comprises a sealing ring rib arranged on the upper surface of the main ring piece, and the cross section of the sealing ring rib is semicircular.

10. The light projector according to claim 8, characterized in that: the frame body further comprises a third frame body, the third frame body surrounds the periphery of the second frame body, the lower end of the third frame body is flush with the lower end of the first frame body, and the upper end of the third frame body is higher than the upper end of the first frame body.