CN110657403A - Lens subassembly and track lamp of interior zoom - Google Patents

Lens subassembly and track lamp of interior zoom Download PDF

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Publication number
CN110657403A
CN110657403A CN201910937039.9A CN201910937039A CN110657403A CN 110657403 A CN110657403 A CN 110657403A CN 201910937039 A CN201910937039 A CN 201910937039A CN 110657403 A CN110657403 A CN 110657403A
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CN
China
Prior art keywords
wall
fixed
lamp body
lens
variable focus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910937039.9A
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Chinese (zh)
Inventor
陈骏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Self Electronics Co Ltd
Original Assignee
Ningbo Self Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Self Electronics Co Ltd filed Critical Ningbo Self Electronics Co Ltd
Priority to CN201910937039.9A priority Critical patent/CN110657403A/en
Publication of CN110657403A publication Critical patent/CN110657403A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses an inner zooming lens assembly, which comprises: 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 invention also discloses a track lamp with the lens assembly; the invention can meet the function of adjusting the size of light spots, has the advantages of small appearance size and compact structure, can realize the rapid debugging of the lamp, meets the actual lighting operation requirements aiming at the actual application of the lamp in the market, and achieves the technical solution of realizing the function.

Description

Lens subassembly and track lamp of interior zoom
Technical Field
The invention relates to the technical field of illumination, in particular to an inner zooming lens assembly and a track lamp.
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.
Disclosure of Invention
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 invention has the technical effects that:
the inner zooming lens assembly and the track lamp can not only meet the function of adjusting the size of light spots, but also realize quick focusing and accurate angle adjustment, and 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 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
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 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 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 (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. An inner variable focus lens package according to claim 6, wherein said lamp body comprises a cylindrical housing (2002), said fixed barrel (100) being arranged within said housing (2002), and said adjustment barrel (200) partly protruding out of said housing (2002) as a manual adjustment collar (203).
10. An inner variable focus lens package according to claim 6, wherein an outer wall of said fixed cylinder (100) is threadedly connected to an inner wall of said housing (2002).
CN201910937039.9A 2019-09-29 2019-09-29 Lens subassembly and track lamp of interior zoom Withdrawn CN110657403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910937039.9A CN110657403A (en) 2019-09-29 2019-09-29 Lens subassembly and track lamp of interior zoom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910937039.9A CN110657403A (en) 2019-09-29 2019-09-29 Lens subassembly and track lamp of interior zoom

Publications (1)

Publication Number Publication Date
CN110657403A true CN110657403A (en) 2020-01-07

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Family Applications (1)

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CN201910937039.9A Withdrawn CN110657403A (en) 2019-09-29 2019-09-29 Lens subassembly and track lamp of interior zoom

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022135063A1 (en) * 2020-12-23 2022-06-30 欧普照明股份有限公司 Adjustable lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022135063A1 (en) * 2020-12-23 2022-06-30 欧普照明股份有限公司 Adjustable lamp

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Application publication date: 20200107