CN114659051A

CN114659051A - Projection lamp

Info

Publication number: CN114659051A
Application number: CN202210228102.3A
Authority: CN
Inventors: 杨君; 陈辉; 徐凯; 董建国
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-24
Anticipated expiration: 2042-03-08
Also published as: CN114659051B

Abstract

The invention discloses a spot lamp, which comprises a lamp shell, a light source mounting seat fixed in the lamp shell, a light source chip arranged on the front side of the light source mounting seat and a rotating arm arranged in a manner of rotating relative to the lamp shell, wherein one end of the rotating arm extending into the lamp shell is a rotating shaft part, and the back side of the light source mounting seat is provided with a support assembly rotationally connected with the rotating shaft part; according to the spot lamp, the bracket component is arranged to simplify the structure for mounting the rotating shaft, so that parts are reduced, the cost is reduced, and meanwhile, the performance requirement is met.

Description

Projection lamp

Technical Field

The invention relates to the technical field of lighting equipment, in particular to a spot lamp.

Background

Spot lights are widely used as lighting devices, not only as main lighting but also as auxiliary light sources, and are generally used outdoors and indoors, and their applications are different depending on the kinds of the spot lights. The advantages of the spot lamp in commercial illumination are obvious, the spot lamp has strong and unique feelings on space, color, virtuality and reality, and has relative advantages compared with other lamps.

The spot lamp generally includes lamp body, light source chip, light source mount pad, power and pivot, and in order to make things convenient for fixed mounting other parts, the lamp body generally adopts die-casting, extrusion, machining process to be main, and manufacturing cost is higher, and the installation of pivot also can produce a lot of spare parts in addition, and spare part expense and installation cost are all higher, lead to the whole cost high.

Disclosure of Invention

In view of the above, the present invention provides a spot light to solve the above technical problems.

The utility model provides a spotlight, includes the lamp body, fixes the light source mount pad in the lamp body, sets up the positive light source chip of light source mount pad and the rocking arm that sets up with lamp body relative rotation, the rocking arm stretches into the one end of lamp body is pivot portion, the back of light source mount pad be equipped with pivot portion rotates the bracket component of connecting.

Preferably, the bracket assembly comprises:

the support frame is fixedly connected with the light source mounting seat and is provided with a front half bearing seat for mounting the rotating shaft part;

and the rear half bearing seat is fixedly connected with the front half bearing seat so as to rotatably install the rotating shaft part.

Preferably, a driving power supply is mounted on the top surface of the support frame.

Preferably, the lamp housing comprises a cylinder body and a rear cover, and the rear cover and the rear half bearing seat are integrally formed and manufactured.

Preferably, a driving power supply is installed inside the rear cover.

Preferably, the front half bearing seat and the rear half bearing seat are locked through fasteners, the mounting hole of the locking piece is formed in the position, facing towards one side of the light source mounting seat, of the front half bearing seat, and the light source mounting seat is provided with a through hole corresponding to the mounting hole.

Preferably, the support frame is made of plastic.

Preferably, the support frame is connected with the light source mounting seat in a buckling mode.

Preferably, the support frame comprises:

a support panel;

the two support columns are arranged at intervals, and the front half bearing seat spans between the two support columns;

and at least two connecting rods are arranged, one end of each connecting rod is fixed on the supporting panel, and the other end of each connecting rod is fixedly connected with the light source mounting seat.

Preferably, the support frame is connected with the driving power supply in a buckling mode.

Preferably, the light source mounting base comprises a mounting plate and a fixing edge which is folded towards one side of the mounting plate, and the fixing edge is tightly matched with the inner wall of the lamp housing.

Preferably, the area of fixed limit with the lamp body tight fit is equipped with the mounting hole, pivot portion stretch into from the mounting hole with the bracket component is connected.

The invention has the technical effects that:

according to the spot lamp, the bracket component is arranged to simplify the structure for mounting the rotating shaft, so that parts are reduced, the cost is reduced, and meanwhile, the performance requirement is met.

Drawings

Embodiments of the invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a spotlight according to the embodiment.

Fig. 2 is an exploded view of the spotlight of the present embodiment.

Fig. 3 is an exploded view of another angle of the spotlight of the present embodiment.

Fig. 4 is a schematic cross-sectional structure view of the spotlight of the embodiment.

Fig. 5 is an exploded view of another embodiment of a spotlight.

Fig. 6 is a schematic cross-sectional view of a spot lamp according to another embodiment.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the spot light of the present embodiment includes a lamp housing 100, a light source mounting base 200 fixed in the lamp housing 100, a light source chip 300 disposed on the front side of the light source mounting base 200, and a rotating arm 400 rotatably disposed relative to the lamp housing 100, wherein one end of the rotating arm 400 extending into the lamp housing 100 is a rotating shaft portion 401, and a bracket assembly 500 rotatably connected to the rotating shaft portion 401 is disposed on the back side of the light source mounting base 200.

In this embodiment, the mounting arm 400 is rotated by providing the bracket assembly 500, so that the lamp housing 100 can be prevented from being additionally provided with the mounting arm 400, and the lamp housing 100 can be made of a tube material, thereby reducing the manufacturing cost, and the bracket assembly 500 is provided.

In this embodiment, the bracket assembly 500 includes a support frame 501 and a rear half housing 503. The support frame 501 is fixedly connected with the light source mounting seat 200, is provided with a front half bearing seat 502 for mounting the rotating shaft part 401, and is fixedly provided with a driving power supply 600 on the top surface; the rear half bearing housing 503 is fixedly connected to the front half bearing housing 502 to rotatably mount the rotary shaft 401. The support frame 501 with the above structure not only plays a role of supporting the driving power supply 600, but also plays a role of separating the driving power supply 600 and the light source chip 300, and avoids heat accumulation unfavorable for heat dissipation. In addition, a rear half bearing seat 503 is fixedly connected with the front half bearing seat 502 to form a bearing for mounting the rotating shaft part 401. The parts for mounting the rotating shaft part 401 are simplified.

In this embodiment, the lamp housing 100 includes a cylinder 101 and a rear cover 102, and the rear cover 102 and the rear half bearing housing 503 are integrally formed, so as to further simplify the structure. The cylinder body 101 is made of metal tube sectional materials, and generally made of aluminum alloy tubes, so that compared with the casting process and other processes, the cost is lower; the rear cover 102 and the rear half bearing seat 503 are made of plastic materials, and the embodiment adopts a PC (personal computer), particularly a PC2807, so that the materials are convenient to obtain, the price is low, and the cost is further reduced.

In this embodiment, the front half bearing seat 502 and the rear half bearing seat 503 are locked by a fastener 504, the mounting hole 505 of the locking member 504 is disposed on one side of the front half bearing seat 502 facing the light source mounting seat 200, and the light source mounting seat 200 is provided with a through hole 203 corresponding to the mounting hole 505. Further, in this embodiment, the supporting frame 501 is made of plastic. Further, the support 501 uses nylon, specifically, PA6, in consideration of elasticity and fatigue resistance.

In this embodiment, the supporting frame 501 is connected to the light source mounting base 200 by a snap-fit connection. The structure avoids additional locking pieces and further simplifies the structure.

In this embodiment, the support frame 501 includes a support panel 5011, two support posts 5012, and a connecting rod 5013. The two support columns 5012 are arranged at intervals, and the front half bearing seat 502 spans between the two support columns 5012; the connecting rods 5013 are two, one end of each connecting rod is fixed to the corresponding supporting panel 5011, and the other end of each connecting rod is fixedly connected with the corresponding light source mounting seat 200.

In this embodiment, the supporting frame 501 is connected to the driving power supply 600 by a snap. The structure is convenient for connection.

In this embodiment, the light source mounting base 200 includes a mounting plate 201 and a fixing edge 202 where the mounting plate 201 is folded to one side, and the fixing edge 202 is tightly fitted to the inner wall of the lamp housing 100. Furthermore, the light source mounting base 200 is manufactured by adopting a pure aluminum sheet drawing process to manufacture a heat conducting plate, and then is pressed and connected with the cylinder 101 manufactured by extruding an aluminum pipe into a whole to be used as a radiator, so that the size is stable, the cost performance is higher, and the cost is reduced by 30% compared with the cost of the existing casting process and other processes.

The traditional radiator is complex to process and high in cost, the heat conducting plate is manufactured by adopting a pure aluminum sheet stretching process in the novel structure, and then the heat conducting plate and the extruded aluminum pipe are pressed into a whole to be used as the radiator, the part processing is simple, and the cost performance is high. The pure aluminum thermal conductivity is 237W/(mK), the extruded aluminum thermal conductivity is 201W/(mK), and the thermal conductivity is doubled compared with the thermal conductivity of 96W/(mK) of die-casting aluminum.

In this embodiment, a mounting hole 103 is formed in a region where the fixing edge 202 is tightly fitted with the lamp housing 100, and the rotating shaft portion 401 extends from the mounting hole 103 to be connected with the bracket assembly 500.

As shown in fig. 5 and 6, in another embodiment, the driving power source 600 'is exposed and directly and fixedly connected with the inner side of the rear cover 102', so that the number of parts in the assembly process is reduced, and the manufacturing cost is reduced.

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 scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. The utility model provides a spot lamp, includes lamp body (100), fixes light source mount pad (200) in lamp body (100), sets up the positive light source chip (300) of light source mount pad (200) and with lamp body (100) relative rotation rocking arm (400) that set up, rocking arm (400) stretch into the one end of lamp body (100) is pivot portion (401), its characterized in that, the back of light source mount pad (200) be equipped with pivot portion (401) rotate bracket component (500) of being connected.

2. The spotlight of claim 1, wherein the bracket assembly (500) comprises:

the support frame (501) is fixedly connected with the light source mounting seat (200) and is provided with a front half bearing seat (502) for mounting the rotating shaft part (401);

and a rear half bearing seat (503) fixedly connected with the front half bearing seat (502) so as to rotatably install the rotating shaft part (401).

3. The spot light of claim 2, wherein a driving power supply (600) is mounted on the top surface of the support frame (501).

4. The spot light according to claim 2, wherein the lamp housing (100) comprises a barrel (101) and a rear cover (102), and the rear cover (102) and the rear half bearing housing (503) are integrally formed.

5. The spot lamp according to claim 4, wherein a driving power supply (600) is installed at an inner side of the rear cover (102).

6. The spot light according to claim 2, wherein the front half bearing seat (502) and the rear half bearing seat (503) are fastened by a fastening member (504), a mounting opening (505) of the fastening member (504) is provided on a side of the front half bearing seat (502) facing the light source mounting seat (200), and a through hole (203) corresponding to the mounting opening (505) is provided on the light source mounting seat (200).

7. The spotlight of claim 2, wherein the support frame (501) is made of plastic.

8. The spotlight of claim 2, wherein the support bracket (501) is snap-fit to the light source mount (200).

9. The spotlight of claim 2, wherein the support bracket (501) comprises:

a support panel (5011);

the two supporting columns (5012) are arranged at intervals, and the front half bearing seat (502) spans between the two supporting columns (5012);

and at least two connecting rods (5013) are arranged, one end of each connecting rod is fixed on the supporting panel (5011), and the other end of each connecting rod is fixedly connected with the light source mounting seat (200).

10. The spotlight of claim 2, wherein the support bracket (501) is snap-fit to the drive power supply (600).

11. The spot light according to any of claims 1 to 10, wherein the light source mounting base (200) comprises a mounting plate (201) and a fixing edge (202) of the mounting plate (201) folded to one side, and the fixing edge (202) is tightly fitted with an inner wall of the lamp housing (100).

12. The spot light according to claim 11, wherein a mounting hole (103) is formed in a region where the fixing edge (202) is tightly fitted with the lamp housing (100), and the rotating shaft portion (401) extends from the mounting hole (103) to be connected with the bracket assembly (500).