CN213272317U

CN213272317U - Focusing spot lamp

Info

Publication number: CN213272317U
Application number: CN202022826149.9U
Authority: CN
Inventors: 黄雪松; 甘庆华; 刘裴
Original assignee: Chongqing Sicmicro Co ltd
Current assignee: China Silian Instrument Group Co., Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-05-25
Anticipated expiration: 2030-11-26

Abstract

The utility model provides a focusing shot-light, including lamp body, light-emitting component and lens subassembly, light-emitting component fixed mounting is in the lamp body, but the lens subassembly is installed on the lamp body with axial displacement, is provided with focusing ring and the sliding part who is used for adjusting the distance between lens subassembly and the light-emitting component on the lamp body, and self axis rotation ground cover can be followed to the focusing ring and establish on the lamp body to fixed in the axial, the sliding part can be installed on the lamp body along lamp body axial displacement ground, and fixed in week, the sliding part with the lens subassembly is connected to can drive lens subassembly axial motion, focusing ring and sliding part screw-thread fit turn into the rotary motion of focusing ring sliding part and lens subassembly along lamp body axial linear motion. The utility model discloses, because the focusing ring is axial fixed, sliding part circumference is fixed, through focusing ring and sliding part's cooperation, turns into rotary motion lens subassembly along lamp body axial linear motion, realizes the focusing.

Description

Focusing spot lamp

Technical Field

The utility model belongs to the technical field of the illumination, concretely relates to focusing shot-light.

Background

The existing projection lamp comprises a shell, a light source plate, a light-emitting light source and a reflecting cup, wherein light of the light-emitting light source is irradiated out after being condensed by the reflecting cup. However, the projection lamp with the structure has a fixed structure among the light source plate, the light-emitting light source, the reflecting cup and the shell, and the distance between the light-emitting light source and the reflecting cup is also fixed and unchanged, so that the size of the irradiation range of the projection lamp cannot be adjusted.

In order to solve the problem, a focusing structure for the spotlight appears in the market, and the focusing structure comprises an inner sleeve and an outer sleeve which are sleeved on a lamp tube, wherein the lamp tube and the outer sleeve are relatively fixed, and the inner sleeve can slide relative to the outer sleeve. The spot lamp adopts the focusing structure, and has the defects of unfixed length, low positioning stability and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above the not enough of prior art, an object of the utility model is to provide a focusing shot-light is convenient for adjust the focus of shot-light.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

the utility model provides a focusing spot lamp, includes lamp body, light-emitting component and lens subassembly, light-emitting component fixed mounting is in the lamp body, the lens subassembly can be installed along the axial displacement ground of lamp body on the lamp body, be provided with the focusing structure that is used for adjusting the distance between lens subassembly and the light-emitting component on the lamp body, the focusing structure includes focusing ring and sliding part, the focusing ring can be established along self axis rotation ground cover on the lamp body to it is fixed in the axial, sliding part can be installed on the lamp body along lamp body axial displacement ground to it is fixed in circumference, sliding part with the lens subassembly is connected to can drive lens subassembly axial motion, focusing ring and sliding part screw-thread fit turn into sliding part and lens subassembly along the axial linear motion of lamp body with the rotary motion of focusing ring.

Optionally, a sliding groove for guiding and limiting circumferential rotation of the sliding part is formed in the side wall of the lamp body, and the sliding part partially extends out of the sliding groove and is in threaded fit with the focusing ring located outside the sliding groove.

Optionally, the sliding component is a sliding ring arranged in the lamp body, the lens assembly includes a lens barrel and a lens arranged in the lens barrel, the front part of the sliding ring is connected with the rear part of the lens barrel, a boss with threads is arranged on the outer wall of the rear part of the sliding ring, and the boss extends out of the sliding groove and is in threaded fit with the focusing ring.

Optionally, the rear portion of the lens barrel extends into a space between the lamp body and the slip ring and is sleeved on the front portion of the slip ring through threads, or the rear portion of the lens barrel and the front portion of the slip ring are clamped through a concave-convex structure.

Optionally, the front part of the slip ring is provided with a plurality of connecting plates arranged at intervals along the circumferential direction, the connecting plates can be retracted along the radial direction of the slip ring, the outer wall of each connecting plate is provided with threads, and when the lens barrel thread insert is arranged outside the connecting plates, the lens barrel thread insert is tensioned through the connecting plates.

Optionally, the light emitting assembly is installed in the lamp body through a lamp holder, and the lamp holder is connected with the lamp body through a heat sink.

Optionally, a limiting structure for limiting the axial adjustment range of the lens assembly is arranged on the lamp body.

Optionally, the limiting structure comprises a limiting sleeve, and the limiting sleeve is sleeved at the front end of the lamp body through a thread to limit the range of the sliding part moving forwards.

Optionally, the limiting sleeve is located outside the lens barrel, and a dustproof ring is arranged between the limiting sleeve and the lens barrel.

Optionally, the side surface of the lamp body is provided with a wiring channel and a mounting hole for connecting with the bracket component.

Optionally, the focusing spotlight further comprises a bracket assembly, wherein the bracket assembly comprises a track head connecting piece, a power supply box and a circuit board arranged in the power supply box; the connecting piece that sets up on the power pack with the mounting hole passes through the screw connection.

As mentioned above, the utility model has the advantages that: the utility model adopts the structure, the light-emitting element is fixed in the lamp body, and the distance between the lens component and the light-emitting element is adjusted; the focusing ring is axially fixed, the sliding part is circumferentially fixed, and the rotary motion is converted into the linear motion of the sliding part and the lens component along the axial direction of the lamp body through the matching of the focusing ring and the sliding part, so that the focusing is realized; the mode of rotating the focusing ring is adopted for operation, and the operation is convenient.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is an enlarged view of the sliding member of FIG. 1 engaged with the lamp body;

fig. 3 is a top view of an embodiment of the present invention;

FIG. 4 is a view A-A of FIG. 3;

FIG. 5 is a schematic view of the lens assembly moving a certain distance relative to the light emitting assembly;

fig. 6 is a cross-sectional view of another angle of an embodiment of the present invention;

fig. 7 is a schematic structural view of a sliding member according to an embodiment of the present invention;

fig. 8 is an installation diagram of the bracket assembly and the lamp body in the embodiment of the present invention.

Part number description:

1-a lamp body; 11-a lamp holder; 12-a heat sink; 13-rear end cap; 14-mounting holes; 15-a wiring channel; 16-a chute; 2-a light emitting component; 3-a sliding member; 31-a connecting plate; 32-boss; 4-a focusing ring; 5-a lens assembly; 51-a lens barrel; 52-a lens; 53-spacer rings; 54-dustproof glass; 6-a limiting sleeve; 7-a power supply box; 8-track head connection.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Examples

As shown in fig. 1 to 4, the focusing spotlight exemplified in this example includes a lamp body 1, a light emitting element 2 and a lens assembly 5, the lamp body 1 is a cylindrical structure, the light emitting element 2 is fixedly installed in the lamp body 1, the lens assembly 5 is installed at the front of the lamp body 1 and can move along the axial direction of the lamp body 1 for adjustment, and the light emitting element 2 is a light emitting element such as a lamp bead or a lamp panel; the key point is that a focusing structure for adjusting the distance between a lens component 5 and a light-emitting element 2 is arranged on a lamp body 1, and focusing is realized by adjusting the axial distance of the lens component 5 relative to the light-emitting element 2, the focusing structure comprises a focusing ring 4 and a sliding component 3, the focusing ring 4 is coaxially sleeved on the lamp body 1 and can rotate along the axis of the focusing ring 4, and the axial position of the focusing ring 4 on the lamp body 1 is fixed, namely only the focusing ring rotates but does not axially slide; the sliding part 3 is mounted on the lamp body 1 in a manner of axially moving along the lamp body 1 and is fixed in the circumferential direction, namely, the sliding part can only axially slide but can not rotate; the sliding component 3 is connected with the lens component 5 and can drive the lens component 5 to move axially, the focusing ring 4 is in threaded fit with the sliding component 3, and the rotary motion of the focusing ring 4 is converted into the linear motion of the sliding component 3 and the lens component 5 along the axial direction of the lamp body 1.

Because the focusing ring 4 is axially fixed and the sliding part 3 is circumferentially fixed, when the focusing ring 4 is rotated, the rotary motion of the focusing ring 4 is converted into the linear motion of the sliding part 3 and the lens component 5 along the axial direction of the lamp body 1 through threads, thereby realizing focusing; the operation is carried out by adopting the mode of rotating the focusing ring 4, and the operation is convenient.

As shown in fig. 2 and 6, a sliding groove 16 (also referred to as a window) is formed in the side wall of the lamp body 1 along the axial direction, and is used for guiding the movement of the sliding member 3 and limiting the circumferential rotation of the sliding member 3; a part of the sliding component 3 extends out of the sliding chute 16, and the part extending out of the sliding chute 16 is in threaded fit with the focusing ring 4 positioned outside the sliding chute 16, so that the sliding component 3 is driven to axially slide back and forth through the focusing ring 4.

As shown in fig. 4 and 7, in this embodiment, to ensure the stability of sliding, the sliding component 3 is a sliding ring disposed in the lamp body 1, the sliding ring and the inner wall of the lamp body 1 are sliding fittings, the lens assembly 5 includes a lens barrel 51 and a lens 52 mounted in the lens barrel 51, the front part of the sliding ring is connected with the rear part of the lens barrel 51 without axial relative movement, the outer wall of the rear part of the sliding ring is provided with a boss 32, the outer wall of the boss 32 is provided with threads, and the boss 32 extends out of the sliding slot 16 and is in threaded fit with the inner wall of the focusing ring 4.

In one embodiment, the rear portion of the lens barrel 51 extends between the lamp body 1 and the sliding ring and is sleeved on the front portion of the sliding ring through threads, that is, inner threads are arranged on the inner wall of the rear portion of the lens barrel 51, outer threads are arranged on the outer wall of the front portion of the sliding ring, and the rear portion of the lens barrel 51 is sleeved with the front portion of the sliding ring through threads to achieve axial fixation.

In another embodiment, the rear part of the lens barrel 51 and the front part of the slip ring are clamped by a concave-convex structure, that is, one of the rear part of the lens barrel 51 and the front part of the slip ring is provided with a groove, the other one of the rear part of the lens barrel 51 and the front part of the slip ring is provided with a protrusion, and synchronous axial movement is realized by axial limiting of the groove and the protrusion.

As shown in fig. 7, the front portion of the slip ring is divided into a plurality of connecting plates 31 along the circumferential direction, and there is a gap between adjacent connecting plates 31, so that the connecting plates 31 can be retracted along the radial direction of the slip ring, thereby facilitating the lens barrel 51 to be sleeved outside the connecting plates 31 of the slip ring, and the outer wall of each connecting plate 31 is provided with a thread, when the lens barrel 51 is sleeved outside the connecting plates 31, the connection stability is ensured by the outward elastic tension of the connecting plates 31.

Fig. 6 is a schematic view showing the lens unit 5 moved a certain distance relative to the light emitting element 2, and the lens unit 5 and the sliding member 3 are moved forward a certain distance in synchronization.

In this example, the light emitting element 2 is mounted in the lamp body 1 through the socket 11, and the socket 11 and the lamp body 1 are connected through the heat sink 12, and the socket 11, the heat sink 12 and the lamp body 1 are integrally formed for convenience of manufacturing.

In order to prevent the lens assembly 5 from sliding out of the lamp body 1, a limiting structure for limiting the axial adjustment range of the lens assembly 5 is arranged on the lamp body 1. Specifically, the limiting structure comprises a limiting sleeve 6, threads are arranged on the outer wall of the front end of the lamp body 1, the limiting sleeve 6 is sleeved at the front end of the lamp body 1 through the threads to limit the forward movement range of the sliding part 3, and when the boss 32 of the sliding part 3 moves forward to a limiting position, the limiting sleeve 6 is blocked in front of the boss 32 to realize limiting; the rear limit of the sliding member 3 is achieved by the rear end of the slide groove 16.

In this example, the position-limiting sleeve 6 also serves as an axial position-limiting for the focusing ring 4, and the rear end of the focusing ring 4 is stopped by a step on the lamp body 1.

In order to ensure the dustproof effect of the front end of the lens, the limiting sleeve 6 is positioned outside the lens barrel 51, and a dustproof ring is arranged between the limiting sleeve and the lens barrel 51. In this embodiment, the front end of the lens barrel 51 is mounted with a dustproof glass 54, the lens assembly 5 further comprises a spacer 53, the lens and the dustproof glass 54 are separated by the spacer 53, the rear side of the lens is axially positioned by the front end surface of the sliding part 3, the rear end of the lamp body 1 is mounted with the rear end cover 13, and the rear end can be integrally formed with the lamp body 1.

For convenience of wiring and installation, the side surface of the lamp body 1 is provided with wiring passages 15 and mounting holes 14 for connection with the bracket assembly, as shown in fig. 3. As shown in fig. 8, the rack assembly includes a rail head connector 8, a power supply box 7, and a circuit board (not shown) and the like provided in the power supply box 7; the power supply box 7 is provided with a connector which is connected with the mounting hole 14 through a screw, and a lead wire connected to the circuit board enters through the wiring channel 15 to be connected with the light-emitting element 2.

Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a focusing shot-light, includes lamp body, light-emitting component and lens subassembly, its characterized in that: the lamp body is provided with a lamp body, the lamp body is fixedly arranged in the lamp body, the lens assembly can be arranged on the lamp body along the axial movement direction of the lamp body, a focusing structure used for adjusting the distance between the lens assembly and the light emitting assembly is arranged on the lamp body and comprises a focusing ring and a sliding part, the focusing ring can be sleeved on the lamp body along the self axis in a rotating mode and fixed in the axial direction, the sliding part can be arranged on the lamp body along the axial movement direction of the lamp body and fixed in the circumferential direction, the sliding part is connected with the lens assembly and can drive the lens assembly to move in the axial direction, and the focusing ring is in threaded fit with the sliding part to convert the rotating movement of the focusing ring into the linear movement of the sliding part and the lens assembly in the.

2. The focusing spotlight of claim 1, wherein: the side wall of the lamp body is provided with a sliding groove used for guiding and limiting the circumferential rotation of the sliding part, and the sliding part partially extends out of the sliding groove and is in threaded fit with a focusing ring positioned outside the sliding groove.

3. The focusing spotlight of claim 2, wherein: the sliding part is a sliding ring arranged in the lamp body, the lens assembly comprises a lens barrel and a lens arranged in the lens barrel, the front part of the sliding ring is connected with the rear part of the lens barrel, a boss with threads is arranged on the outer wall of the rear part of the sliding ring, and the boss extends out of the sliding groove and is in threaded fit with the focusing ring.

4. The focusing spotlight of claim 3, wherein: the rear part of the lens cone extends into the space between the lamp body and the sliding ring and is sleeved at the front part of the sliding ring through threads, or the rear part of the lens cone and the front part of the sliding ring are clamped through a concave-convex structure.

5. The focusing spotlight of claim 4, wherein: the front part of the slip ring is provided with a plurality of connecting plates arranged at intervals along the circumferential direction, the connecting plates can be retracted along the radial direction of the slip ring, the outer wall of each connecting plate is provided with a thread, and when the lens cone thread insert is arranged outside the connecting plates, the lens cone thread insert is tensioned through the connecting plates.

6. A focusing spotlight according to any of claims 1 to 5, wherein: the light-emitting component is installed in the lamp body through the lamp holder, and the lamp holder is connected with the lamp body through the radiating fins.

7. A focusing spotlight according to any of claims 1 to 5, wherein: and the lamp body is provided with a limiting structure for limiting the axial adjusting range of the lens component.

8. The focusing spot light of claim 7, wherein: the limiting structure comprises a limiting sleeve, the limiting sleeve is sleeved at the front end of the lamp body through threads to limit the range of the sliding part moving forwards.

9. A focusing spotlight according to any of claims 1 to 5, wherein: the side of the lamp body is provided with a wiring channel and a mounting hole for connecting with the bracket component.

10. The focusing spot light of claim 9, wherein: the focusing spotlight further comprises a support assembly, wherein the support assembly comprises a track head connecting piece, a power supply box and a circuit board arranged in the power supply box; the connecting piece that sets up on the power pack with the mounting hole passes through the screw connection.