CN215722796U

CN215722796U - Projection lamp

Info

Publication number: CN215722796U
Application number: CN202122132387.4U
Authority: CN
Inventors: 李霖
Original assignee: Eurborn Co ltd
Current assignee: Eurborn Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-02-01
Anticipated expiration: 2031-09-04

Abstract

The utility model belongs to the technical field of illumination, and particularly relates to a projection lamp which comprises an outer shell, an inner shell and an optical component, wherein the optical component is arranged in the inner shell, the outer shell is sleeved on the periphery of the inner shell, a plurality of fixing plates are arranged between the inner side surface of the outer shell and the outer side surface of the inner shell, the first ends of the fixing plates are connected to the inner side surface of the outer shell, the second ends of the fixing plates are connected to the outer side surface of the inner shell, and a channel for heat dissipation is arranged between every two adjacent connecting pieces; be equipped with between shell and the inner shell and be used for radiating passageway, form the air convection for shell and inner shell dispel the heat in step, strengthen the radiating effect greatly, and shell and inner shell are separated simultaneously and are set up, reduce the inner shell and receive outside interference, improve the optical component's of setting in the inner shell stability.

Description

Projection lamp

Technical Field

The utility model belongs to the technical field of illumination, and particularly relates to a projection lamp.

Background

The projection lamp is a lamp whose illumination intensity on the designated illuminated surface is higher than that of the surrounding environment, also called as a spotlight, generally, the projection lamp can be aimed at any direction, has a structure which is not influenced by weather conditions, is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like, and therefore almost all large-area illumination lamps used outdoors can be regarded as projection lamps, the angle of the emergent light beam of the projection lamp is wide or narrow, and the light beam is particularly narrow and called as a searchlight.

The projecting lamp comprises optical component, mechanical part and electrical component triplex, and the large tracts of land illumination lamps and lanterns of outdoor use all can be regarded as the projecting lamp, but current projecting lamp has the relatively poor shortcoming of radiating effect, leads to the long-time use of projecting lamp, burns out the inside electronic components of projecting lamp easily, has reduced the life of projecting lamp, and inconvenient use has reduced the availability factor and the result of use of projecting lamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a projection lamp, and aims to solve the technical problem that the projection lamp in the prior art is poor in heat dissipation effect.

In order to achieve the above object, an embodiment of the present invention provides a projection lamp, which includes an outer casing, an inner casing, and an optical component, where the optical component is disposed in the inner casing, the outer casing is sleeved on the outer periphery of the inner casing, a plurality of fixing plates are disposed between an inner side surface of the outer casing and an outer side surface of the inner casing, a first end of each fixing plate is connected to the inner side surface of the outer casing, a second end of each fixing plate is connected to the outer side surface of the inner casing, and a channel for dissipating heat is disposed between two adjacent connecting members.

Optionally, the inner shell and the outer shell are both arranged in an annular structure, the inner shell and the outer shell are coaxially arranged, and a gap for accommodating the inner shell in the fixing plate is formed between the outer side face of the inner shell and the inner side face of the outer shell.

Optionally, a cavity is arranged in the middle of the inner shell, and a partition plate is arranged in the cavity to divide the cavity into a front cavity and a rear cavity; the optical component comprises a power supply and a lamp cap, the power supply is arranged in the rear cavity, and the lamp cap is arranged in the front cavity.

Optionally, the projection lamp further comprises a cover plate and a screw, the cover plate is arranged on one side, close to the front cavity, of the inner shell, a through hole is formed in the cover plate, and a threaded portion of the screw penetrates through the through hole and then is in threaded connection with the fixing plate.

Optionally, a positioning groove matched with the threaded portion of the screw is formed in the middle of the fixing plate, an internal thread is formed in the inner side wall of the positioning groove, and the threaded portion of the screw is in threaded connection with the positioning groove.

Optionally, the outer shell, the inner shell and the fixing plate are integrally formed.

Optionally, the projecting lamp still includes base and first connecting piece, the first end of first connecting piece with shell fixed connection, the second end of first connecting piece with the base rotates and is connected.

Optionally, the projecting lamp still includes the second connecting piece, the first end fixed connection of second connecting piece in on the base, the second end of second connecting piece with the second end of first connecting piece rotates to be connected.

Optionally, a dial is arranged on the second connecting piece, and an indicating arrow matched with the dial is arranged on the first connecting piece.

Optionally, be equipped with reference column and first sawtooth on the side of second connecting piece, first sawtooth encircles the reference column sets up, be equipped with locating hole and second sawtooth on the side of first connecting piece, the second sawtooth encircles the locating hole sets up, the locating hole with the reference column joint, the second sawtooth with first sawtooth meshing.

One or more technical solutions in the projector provided by the embodiment of the present invention have at least one of the following technical effects: the outer shell and the inner shell are connected through the fixing plates, a channel is formed between every two adjacent fixing plates, each channel is arranged around the inner shell, and when airflow passes through the channels, heat of the inner shell is taken away, so that a heat dissipation function is achieved; compared with the arrangement mode of the integral outer shell in the prior art, the arrangement mode of the split structure of the outer shell and the inner shell is adopted, the channel for heat dissipation is arranged between the outer shell and the inner shell, air convection is formed, the outer shell and the inner shell can dissipate heat synchronously, the heat dissipation effect is greatly enhanced, meanwhile, the outer shell and the inner shell are arranged in a separated mode, the interference of the inner shell to the outside is reduced, and the stability of the optical component arranged in the inner shell is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a projector according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a projector according to an embodiment of the present invention.

Fig. 3 is a front view of an outer shell and an inner shell provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-outer shell 20-inner shell 30-optical component

40-fixed plate 41-channel 42-positioning groove

50-cover plate 60-base 61-first connecting piece

62-second connector.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate embodiments of the utility model, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, there is provided a projector including an outer housing 10, an inner housing 20, and an optical component 30, wherein the optical component 30 is disposed in the inner housing 20, the outer housing 10 is disposed on the outer periphery of the inner housing 20, a plurality of fixing plates 40 are disposed between an inner side of the outer housing 10 and an outer side of the inner housing 20, a first end of each fixing plate 40 is connected to the inner side of the outer housing 10, a second end of each fixing plate 40 is connected to the outer side of the inner housing 20, and a channel 41 for dissipating heat is disposed between two adjacent connecting members.

In the embodiment of the present invention, the outer casing 10 and the inner casing 20 are connected by the fixing plates 40, a channel 41 is formed between two adjacent fixing plates 40, each channel 41 is disposed around the inner casing 20, and when the airflow passes through the channel 41, the heat of the inner casing 20 is taken away to realize the heat dissipation function; compared with the arrangement mode of the integral outer shell 10 in the prior art, the arrangement mode of the split structure of the outer shell 10 and the inner shell 20 is adopted, the channel 41 for heat dissipation is arranged between the outer shell 10 and the inner shell 20, air convection is formed, the outer shell 10 and the inner shell 20 conduct heat dissipation synchronously, the heat dissipation effect is greatly enhanced, meanwhile, the outer shell 10 and the inner shell 20 are arranged in a separated mode, the interference of the inner shell 20 from the outside is reduced, and the stability of the optical component 30 arranged in the inner shell 20 is improved.

In another embodiment of the present invention, the inner casing 20 and the outer casing 10 of the projector are both arranged in an annular structure, the inner casing 20 and the outer casing 10 are coaxially arranged, and a gap for accommodating the fixing plate 40 is formed between the outer side surface of the inner casing 20 and the inner side surface of the outer casing 10; specifically, the inner casing 20 and the outer casing 10 are disposed in a circular ring structure, the outer diameter of the outer casing 10 is greater than the outer diameter of the inner casing 20, the outer casing 10 is sleeved outside the inner casing 20 and is disposed coaxially with the inner casing 20, and the vertical gaps between the inner sidewall of the outer casing 10 and the outer sidewall of the inner casing 20 are the same, so that each part of the inner casing 20 achieves a better heat dissipation effect.

In another embodiment of the present invention, a cavity is disposed in the middle of the inner housing 20 of the projector, openings are disposed at the front end and the rear end of the inner housing 20, the front end opening and the rear end opening are connected to the cavity, a partition is disposed in the cavity to divide the cavity into a front cavity and a rear cavity, the front cavity is communicated with the front end opening of the inner housing 20, and the rear cavity is communicated with the rear end opening of the inner housing 20; the optical component 30 includes a power supply and a lamp cap, the power supply is disposed in the rear cavity, and the lamp cap is disposed in the front cavity; the power supply and the lamp holder are arranged in a separated mode, interference between the power supply and the lamp holder is reduced, the power supply and the lamp holder work in different spaces, and stability of the optical component 30 in the working process is improved.

In another embodiment of the present invention, the projector further includes a cover plate 50 and a screw, the cover plate 50 is disposed on one side of the inner casing 20 close to the front cavity, the cover plate 50 is provided with a through hole, and a threaded portion of the screw passes through the through hole and is then in threaded connection with the fixing plate 40; specifically, the cover plate 50 is used for covering the front opening of the inner casing 20, a lamp hole is formed in the middle of the cover plate 50, glass is connected to the lamp hole for light to pass through, a lamp cap is extended from the outer periphery of the cover plate 50, a through hole is formed in the lamp cap, and a threaded portion of a screw passes through the through hole and then is connected to the fixing portion, so that the cover plate 50 is fixed; a rubber ring for sealing and waterproofing is further disposed between the cover plate 50 and the inner case 20 to prevent external moisture from flowing into the inner case 20, thereby improving stability of the optical member 30.

In another embodiment of the present invention, the projector further includes a rear cover, the rear cover is disposed on a side of the inner housing 20 close to the rear cavity to cover the rear end opening of the inner housing 20, and a rubber ring for sealing and waterproofing is further disposed between the rear cover and the inner housing 20 to prevent external moisture from flowing into the inner housing 20, so as to improve the stability of the optical component 30.

In another embodiment of the present invention, the middle of the fixing plate 40 of the projector is provided with a positioning groove 42 adapted to the threaded portion of the screw, the inner side wall of the positioning groove 42 is provided with an internal thread, and the threaded portion of the screw is in threaded connection with the positioning groove 42; specifically, the middle portion of the fixing plate 40 extends outward to form a protruding portion, and the positioning groove 42 is provided in the protruding portion.

In another embodiment of the present invention, the outer shell 10, the inner shell 20 and the fixing plate 40 of the projector are integrally formed, so that the number of connecting parts is reduced, the number of assembling processes is reduced, the forming efficiency is improved, and the connection stability between the outer shell 10, the inner shell 20 and the fixing plate 40 is improved.

In another embodiment of the present invention, the projector further includes a base 60 and a first connecting member, a first end of the first connecting member is fixedly connected with the housing 10, and a second end of the first connecting member is rotatably connected with the base 60; the base 60 is fixed to a wall surface or other member, and the position of the first link is adjusted by rotating the first link, thereby adjusting the housing 10 to a proper position.

In another embodiment of the present invention, the projector further includes a second connecting member 62, a first end of the second connecting member 62 is fixedly connected to the base 60, and a second end of the second connecting member 62 is rotatably connected to a second end of the first connecting member; set up the interval of second connecting piece 62 increase first connecting piece and base 60 terminal surface, avoid first connecting piece in the rotation in-process and the condition that base 60 bumps, reduce the interference to first connecting piece.

In another embodiment of the present invention, the second connecting member 62 of the projector is provided with a dial, the first connecting member is provided with an indicating arrow adapted to the dial, and the indicating arrow indicates different scales on the dial by rotating the first connecting member, so that the angle of the first connecting member can be conveniently adjusted, and the accuracy can be improved.

In another embodiment of the present invention, a positioning column and a first sawtooth are arranged on a side surface of the second connecting member 62 of the projector, the first sawtooth is arranged around the positioning column, a positioning hole and a second sawtooth are arranged on a side surface of the first connecting member, the second sawtooth is arranged around the positioning hole, the positioning hole is clamped with the positioning column, and the second sawtooth is engaged with the first sawtooth; set up first sawtooth and second sawtooth, reduce the condition that first connecting piece and second connecting piece 62 take place offset, improve the stability between first connecting piece and the second connecting piece 62.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a projecting lamp which characterized in that: including shell, inner shell and optical component, optical component locates in the inner shell, the shell cover is located the periphery of inner shell, the medial surface of shell with be equipped with a plurality of fixed plates between the lateral surface of inner shell, the first end of fixed plate connect in on the medial surface of shell, the second end of fixed plate connect in on the lateral surface of inner shell, be equipped with between two adjacent connecting pieces and be used for radiating passageway.

2. The light projector according to claim 1, characterized in that: the inner shell and the outer shell are both arranged in an annular structure, the inner shell and the outer shell are coaxially arranged, and a gap for accommodating the inner shell and the outer shell is formed between the outer side face of the inner shell and the inner side face of the outer shell.

3. The light projector according to claim 1, characterized in that: the middle part of the inner shell is provided with a containing cavity, and a partition plate is arranged in the containing cavity to divide the containing cavity into a front cavity and a rear cavity; the optical component comprises a power supply and a lamp cap, the power supply is arranged in the rear cavity, and the lamp cap is arranged in the front cavity.

4. The light projector according to claim 3, characterized in that: the projecting lamp still includes apron and screw, the apron is located the inner shell is close to one side of antetheca, be equipped with the through-hole on the apron, the screw thread portion of screw pass behind the through-hole with fixed plate threaded connection.

5. The light projector according to claim 4, characterized in that: the middle part of the fixed plate is provided with a positioning groove matched with the thread part of the screw, the inner side wall of the positioning groove is provided with an internal thread, and the thread part of the screw is in threaded connection with the positioning groove.

6. The light projector according to any one of claims 1 to 5, wherein: the outer shell, the inner shell and the fixing plate are integrally formed.

7. The light projector according to any one of claims 1 to 5, wherein: the projection lamp further comprises a base and a first connecting piece, wherein the first end of the first connecting piece is fixedly connected with the shell, and the second end of the first connecting piece is rotatably connected with the base.

8. The light projector according to claim 7, characterized in that: the projecting lamp still includes the second connecting piece, the first end fixed connection of second connecting piece in on the base, the second end of second connecting piece with the second end of first connecting piece rotates to be connected.

9. The light projector according to claim 8, characterized in that: the second connecting piece is provided with a dial, and the first connecting piece is provided with an indicating arrow matched with the dial.

10. The light projector according to claim 8, characterized in that: be equipped with reference column and first sawtooth on the side of second connecting piece, first sawtooth encircles the reference column sets up, be equipped with locating hole and second sawtooth on the side of first connecting piece, the second sawtooth encircles the locating hole sets up, the locating hole with the reference column joint, the second sawtooth with first sawtooth meshing.