CN211738959U - Lens subassembly and track lamp of interior zoom - Google Patents

Abstract

The utility model discloses a lens subassembly of interior zoom, include: one end of the fixed cylinder is fixedly connected with the lamp body with the light source, and the inner wall of the fixed cylinder is provided with a guide groove extending along the axial direction; the adjusting cylinder is coaxially and rotatably arranged inside one end of the fixed cylinder, which is far away from the lamp body, and the inner wall of the adjusting cylinder is provided with an internal thread; the outer wall of the movable inner ring is provided with an external thread matched with the internal thread and a guide block extending into the guide groove; a lens fixed in the moving inner ring; the utility model also discloses a track lamp with the lens component; the utility model discloses except can satisfying the function of adjusting the facula size, have the advantage that the external dimension is little, compact structure simultaneously, can realize the rapid debugging of lamps and lanterns, satisfy the illumination operation actual requirement to this type lamps and lanterns in the market in actual use, reach the technical solution that the function realized.

Description

Lens subassembly and track lamp of interior zoom

Technical Field

The utility model relates to the field of lighting technology, especially a lens subassembly and track lamp of interior zooming.

Background

The LED track lamp is a lamp arranged on a similar track, can be adjusted in irradiation angle at will, is generally used as a spot lamp in a place needing key illumination, is mainly a novel LED lamp designed for commercial illumination and commodity display, adopts an LED light source, has the advantages of pure spectrum, rich colors, environmental protection and energy saving, and is widely applied to projection illumination of key parts such as show windows, exhibitions and the like.

Similar track lamp in the existing market, it changes to realize that horizontal outside lens moves outwards and changes the facula, or the change that the facula was changed to the suitable fore-and-aft distance that changes LED and lens, when in-service use, it is longer all to have the debug time, the coarse problem of angle of adjustment, and the great defect of lamps and lanterns apparent dimension, quick adjustment's when unable when satisfying lamps and lanterns practical application function when installing, the big problem of apparent dimension also can't be solved, thereby influence the practical debugging of lamps and lanterns application.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an inner zoom lens assembly and a track lamp, so as to solve the above technical problems.

An inner zoom lens assembly comprising:

one end of the fixed cylinder is fixedly connected with the lamp body with the light source, and the inner wall of the fixed cylinder is provided with a guide groove extending along the axial direction;

the adjusting cylinder is coaxially and rotatably arranged inside one end of the fixed cylinder, which is far away from the lamp body, and the inner wall of the adjusting cylinder is provided with an internal thread;

the outer wall of the movable inner ring is provided with an external thread matched with the internal thread and a guide block extending into the guide groove;

and the lens is fixed in the moving inner ring.

Preferably, both ends of the guide groove are provided with limiting structures for preventing the guide block from sliding out.

Preferably, the guide groove is opened towards one end of the lamp body, a limiting annular groove is formed in one side, close to the opened end, of the fixed cylinder, and a stop ring is arranged in the limiting annular groove.

Preferably, the outer wall of the adjusting cylinder is provided with an annular groove, and the inner wall of the fixing cylinder is provided with a limiting column extending into the annular groove.

Preferably, the fixed cylinder is provided with a through hole penetrating through the side wall, and the limiting column is fixed in the through hole.

Preferably, still include the solid fixed ring of lens, lens setting is in on the solid fixed ring inner wall of lens, the solid fixed ring's of lens outer wall with the inner wall fixed connection who removes the inner circle.

Preferably, the convex portion of the lens is disposed within the moving inner race.

A track lamp comprises a lamp body with a light source and the lens assembly with the inner zoom, wherein the fixing cylinder is fixedly connected with the lamp body, and the lens is positioned in the light emitting direction of the light source.

Preferably, the lamp body comprises a cylindrical housing, the fixed cylinder is arranged in the housing, and the adjusting cylinder partially extends out of the housing to serve as a manual adjusting outer ring.

Preferably, the outer wall of the fixed cylinder is in threaded connection with the inner wall of the shell.

The technical effects of the utility model are that:

the inner zooming lens component and the track lamp of the utility model can not only meet the function of adjusting the size of the facula, but also realize the fast focusing and the accurate angle adjustment, and simultaneously have the advantages of small appearance size and compact structure; the rapid debugging of the lamp and the operation requirements after installation are realized, and the light control effect is further applied when the lamp is applied in a museum scene; the lighting operation practical requirement aiming at the practical application of the lamp in the market is met, and the technical scheme for realizing the functions is achieved.

Drawings

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

fig. 1 is a schematic perspective view of a track lamp according to this embodiment.

Fig. 2 is an exploded view of the track lamp according to the present embodiment.

Fig. 3 is a schematic view of an exploded structure of another angle of the track lamp of this embodiment.

Fig. 4 is a schematic cross-sectional structure diagram of the track lamp of the present embodiment.

Fig. 5 is a schematic cross-sectional structure diagram of the lens assembly of the present embodiment.

Fig. 6 is a cross-sectional exploded schematic view of the lens assembly of the present embodiment.

Detailed Description

The following describes in further detail specific embodiments of the present invention 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 6, the track lamp of the present embodiment includes a lens assembly 1000 with a light source 2001 and a lamp body 2000 for zooming, wherein a fixing cylinder 100 is fixedly connected to the lamp body 2000, and a lens 400 is located in a light emitting direction of the light source 2001.

The lamp body 2000 structure can be designed according to practical application scenes, generally comprises a lamp cap, a power supply assembly, a circuit board and a light source 2001 arranged on the circuit board, the specific structure can adopt a scheme in the prior art, and is not repeated herein, wherein the light source 2001 can adopt an LED chip in combination with energy-saving requirements.

The lens assembly 1000 is used to adjust the distance between the lens and the light source, thereby achieving the purpose of adjusting the light spot, and obtaining different lighting effects and ranges. The inner zoom lens assembly 1000 in this embodiment comprises: a fixed cylinder 100, an adjustment cylinder 200, a moving inner ring 300, and a lens 400.

The fixed cylinder 100 is fixedly connected with a lamp body 2000 with a light source, and the inner wall of the fixed cylinder is provided with a guide groove 101 extending along the axial direction; the adjusting cylinder 200 is coaxially and rotatably arranged inside one end of the fixed cylinder 100 far away from the lamp body 2000, and the inner wall of the adjusting cylinder is provided with an internal thread 201; the outer wall of the movable inner ring 300 is provided with an external thread 301 matched with the internal thread 201 and a guide block 302 extending into the guide groove 101; the lens 400 is fixed in the moving inner ring 300.

In the present embodiment, the axial direction refers to a center line of the internal thread 201 and the external thread 301, and the circumferential direction is an annular surface around the center line.

The guide block 302 may be directly fixed on the outer wall of the moving inner ring 300, or may be integrally formed with the moving inner ring 300, in this embodiment, the guide block 302 is a protrusion extending radially outward from the end surface of the moving inner ring 300.

The number of the guide grooves 101 and the guide blocks 302 can be set as required, and generally, in order to prevent the jamming, at least two groups, in this embodiment, three groups, are provided and are uniformly distributed along the circumferential direction.

When the focal length is adjusted, the fixed cylinder 100 is fixed, the adjusting cylinder 200 is rotated, and the rotation of the moving inner ring 300 is limited by the guide groove 101 in the circumferential direction, so that the moving inner ring moves up and down under the driving of the thread structure of the rotating adjusting cylinder 200, and then the lens 400 is driven to move, and the focusing is realized.

The internal thread 201 of the adjustment cylinder 200 is an eight-start or multi-start thread, which can be selected according to the accuracy of adjustment.

The embodiment has the advantages of few parts, convenience in processing of the parts, low manufacturing cost, small size, convenience in installation and the like.

In order to prevent the guide block 302 from sliding out of the guide groove 101, both ends of the guide groove 101 are provided with limiting structures for preventing the guide block 302 from sliding out. In the embodiment, the guide groove 101 is open towards one end of the lamp body 2000, the fixed cylinder 100 is provided with a limiting annular groove 102 on one side close to the open end, and the limiting annular groove 102 is provided with a stop ring 103, so that the guide groove 101 is more convenient to process.

The coaxial rotation means that the adjustment cylinder 200 is disposed coaxially with the fixed cylinder 100, can rotate relatively in the circumferential direction, and is fixed relatively in the axial direction. For convenience of manufacture and installation, the outer wall of the adjusting cylinder 200 is provided with an annular groove 202, and the inner wall of the fixed cylinder 100 is provided with a limiting column 104 extending into the annular groove 202. Further preferably, the fixing cylinder 100 is provided with a through hole 105 penetrating through the sidewall, and the limiting column 104 is fixed in the through hole 105. The limiting column 104 can be a screw, a thread matched with the screw is arranged in the through hole 105, the head of the screw abuts against the outer wall of the fixed cylinder 100, and the tail end of the screw extends into the annular groove 202 to realize installation.

In order to fix the lens conveniently, the present embodiment further includes a lens fixing ring 500, the lens 400 is disposed on the inner wall of the lens fixing ring 500, the fixing mode may adopt glue, threaded connection or fasteners, the outer wall of the lens fixing ring 500 is fixedly connected with the inner wall of the movable inner ring 300, and the fixing connection mode adopts threaded connection.

In order to make the structure further compact, the convex portion of the lens 400 is disposed inside the moving inner ring 300. When the moving inner ring 300 is confined in the adjustment cylinder 200, the lens 400 is not exposed to the outside, and the whole appearance is more beautiful.

In order to improve the aesthetic appearance, the lamp body comprises a cylindrical housing 2002, the fixed cylinder 100 is arranged in the housing 2002, and the adjusting cylinder 200 partially extends out of the housing 2002 to be used as a manual adjusting outer ring 203.

To facilitate assembly, the outer wall of the stationary cartridge 100 is threadably coupled to the inner wall of the housing 2002. The outer wall of the manual adjustment collar 203 is flush and smoothly transitioned with the outer wall of the housing 2002.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims (10)

1. An inner variable focus lens package comprising:

a fixed cylinder (100) with one end fixedly connected with a lamp body (2000) with a light source and an inner wall provided with a guide groove (101) extending along the axial direction;

the adjusting cylinder (200) is coaxially and rotatably arranged inside one end, far away from the lamp body, of the fixed cylinder (100), and the inner wall of the adjusting cylinder is provided with an internal thread (201);

the outer wall of the movable inner ring (300) is provided with an external thread (301) matched with the internal thread (201) and a guide block (302) extending into the guide groove (101);

a lens (400) fixed in the moving inner ring (300).

2. An inner variable focus lens package according to claim 1, wherein both ends of said guide groove (101) are provided with a stop structure preventing the guide block (302) from sliding out.

3. An inner variable focus lens package according to claim 2, wherein said guide groove (101) is open towards one end of the lamp body (2000), said fixed barrel (100) is provided with a limit ring groove (102) at a side close to the open end, and said limit ring groove (102) is provided with a stop ring (103).

4. An inner variable focus lens package according to claim 1, wherein the outer wall of said adjusting cylinder (200) is provided with an annular groove (202), and the inner wall of said fixed cylinder (100) is provided with a stopper post (104) extending into said annular groove (202).

5. An inner variable focus lens package according to claim 4, wherein said fixed barrel (100) is provided with a through hole (105) penetrating through the side wall, and said limit post (104) is fixed in said through hole (105).

6. An inner variable focus lens package according to claim 1, further comprising a lens fixing ring (500), wherein said lens (400) is arranged on an inner wall of said lens fixing ring (500), and an outer wall of said lens fixing ring (500) is fixedly connected with an inner wall of said moving inner ring (300).

7. An inner variable focus lens package according to claim 6, wherein an outer convex part of said lens (400) is arranged within said moving inner collar (300).

8. A track lamp, comprising a lamp body (2000) with a light source (2001) and an inner-zoom lens assembly (1000) as claimed in any one of claims 1-7, wherein the fixed barrel (100) is fixedly connected to the lamp body (2000), and the lens (400) is located in the light emitting direction of the light source (2001).

9. The track lamp as claimed in claim 8, wherein the lamp body comprises a cylindrical housing (2002), the fixed barrel (100) is disposed within the housing (2002), and the adjustment barrel (200) partially protrudes from the housing (2002) as a manual adjustment collar (203).

10. The track lamp as claimed in claim 9, wherein an outer wall of the fixed cylinder (100) is screw-coupled with an inner wall of the housing (2002).

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