CN113339732A - Rail vehicle is with light support and rail vehicle - Google Patents
Rail vehicle is with light support and rail vehicle Download PDFInfo
- Publication number
- CN113339732A CN113339732A CN202110505849.4A CN202110505849A CN113339732A CN 113339732 A CN113339732 A CN 113339732A CN 202110505849 A CN202110505849 A CN 202110505849A CN 113339732 A CN113339732 A CN 113339732A
- Authority
- CN
- China
- Prior art keywords
- mounting seat
- rail vehicle
- illuminating lamp
- limiting
- bracket
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- 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
- F21S8/08—Lighting devices intended for fixed installation with a standard
-
- 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
- F21V15/005—Measures against vandalism, stealing or tampering
-
- 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
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- 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
- F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a light support and rail vehicle for rail vehicle, includes mount pad, support pipe subassembly and spacing subassembly, the support pipe subassembly is used for rotating with rail vehicle and is connected and pass the pencil, and the top of support pipe subassembly is located to the mount pad, and spacing subassembly is located between mount pad and the support pipe subassembly for carry on spacingly to the mount pad. The illuminating lamp bracket for the railway vehicle adopts internal threading, so that the protection on a wire harness is improved, and safety accidents are avoided; the illuminating lamp can be more flexible and convenient when the direction is adjusted.
Description
Technical Field
The invention belongs to the field of railway vehicles, and particularly relates to an illuminating lamp support for a railway vehicle and the railway vehicle.
Background
At present, due to the structural reason, the part of an electric wire of the illuminating lamp above a vehicle chassis is in an exposed state, the electric wire is very easy to damage in the operation process, and the electric leakage phenomenon occurs, so that safety accidents are caused. Some adopt the steel pipe to protect, but its protective effect is relatively poor. The rotation of light mount pad passes through bolt fastening structure, and the operation is complicated and inflexible. Therefore, a new installation method of the illuminating lamp is needed, which can solve the problem of leakage of the electric wire and improve the safety performance of the vehicle.
Disclosure of Invention
The invention aims to provide an illuminating lamp support for a railway vehicle, which solves the problem of leakage of electric wires and improves the safety performance of the vehicle.
In order to achieve the purpose, the invention provides an illuminating lamp support for a railway vehicle, which comprises an installation seat, a support tube assembly and a limiting assembly, wherein the support tube assembly is used for being connected with the railway vehicle and penetrating through a wire harness, the installation seat is arranged at the top end of the support tube assembly, and the limiting assembly is arranged between the installation seat and the support tube assembly and is used for limiting the installation seat.
Preferably, the support tube assembly comprises a stand tube and a connecting tube, the connecting tube is arranged at the top end of the stand tube and used for installing the mounting seat, and the bottom end of the stand tube is connected with the floor of the vehicle.
Preferably, the mounting seat is cylindrical, a wire harness outlet is formed in the top of the mounting seat, and an extending part is arranged on the outer edge of the mounting seat; the extension part is rectangular, and is provided with a mounting hole for mounting the illuminating lamp;
the wire harness can sequentially penetrate through the vertical pipe, the connecting pipe and the wire harness outlet of the mounting seat and is electrically connected with the illuminating lamp
Preferably, the bottom of the mounting seat is provided with a connecting hole, the top end of the connecting pipe is sleeved with the connecting hole, and the connecting hole is connected with the top of the connecting pipe through threads.
Preferably, the bottom of the mounting seat is provided with a connecting hole, the connecting hole is sleeved at the top end of the connecting pipe, and the connecting hole is connected with the top of the connecting pipe through a bearing.
Preferably, the limiting assembly comprises a limiting rod and a limiting plate, the limiting rod is hinged to the mounting seat, and the limiting plate is arranged on the outer wall of the vertical pipe and used for limiting the limiting rod to move along the circumferential direction.
Preferably, one side of the mounting seat, which is far away from the extending part, is provided with a connecting lug, and the limiting rod is hinged to the connecting lug through a pin shaft so as to rotate in a vertical plane.
Preferably, the outer edge of the limiting plate is provided with a plurality of grooves which are arranged at intervals along the circumferential direction, and the limiting rod can be clamped in any one of the grooves;
the limiting rod is separated from the groove of the limiting plate, and the mounting seat can be driven to rotate.
Preferably, the outer edge of the limiting plate is arc-shaped, the groove is U-shaped, and the opening direction of the groove is arranged outwards.
The invention also provides a railway vehicle which comprises the illuminating lamp bracket for the railway vehicle
The invention relates to an illuminating lamp bracket for a railway vehicle, which has the beneficial effects that: by adopting internal threading, the protection on the wire harness is improved, and the occurrence of safety accidents is avoided; the illuminating lamp can be more flexible and convenient when the direction is adjusted.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of a head lamp bracket for a railway vehicle according to an exemplary embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a bracket tube assembly in a light bracket for a railway vehicle according to an exemplary embodiment of the present invention;
fig. 3 is a schematic view illustrating a mounting structure of a lamp bracket for a railway vehicle according to another exemplary embodiment of the present invention.
Description of reference numerals:
the mounting base, 2 support pipe subassemblies, 3 gag lever posts, 4 limiting plates, 5 risers, 6 connecting pipes, 7 lights, 8 vehicle floor, 9 pencil, 10 mounting holes.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In order to solve the problems in the prior art, the invention provides an illuminating lamp support for a railway vehicle, which comprises a mounting seat, a support tube assembly and a limiting assembly, wherein the support tube assembly is used for being rotatably connected with the railway vehicle and penetrating through a wire harness, the mounting seat is arranged at the top end of the support tube assembly, and the limiting assembly is arranged between the mounting seat and the support tube assembly and is used for limiting the mounting seat.
The illuminating lamp bracket for the railway vehicle adopts internal threading, so that the protection on a wire harness is improved, and safety accidents are avoided; the illuminating lamp can be more flexible and convenient when the direction is adjusted.
Preferably, the support tube assembly comprises a stand tube and a connecting tube, the connecting tube is arranged at the top end of the stand tube and used for installing the mounting seat, and the bottom end of the stand tube is connected with the floor of the vehicle. The stand pipe is fixed on the floor of the vehicle through welding or bolt connection, and a wire harness used by the illuminating lamp penetrates through the stand pipe and the connecting pipe from the vehicle to be electrically connected with the illuminating lamp, so that the stand pipe is prevented from being exposed, the protection of electric wires is improved, and the safety is improved.
Preferably, the mounting seat is cylindrical, a wire harness outlet is formed in the top of the mounting seat, and an extending part is arranged on the outer edge of the mounting seat;
the extension part is rectangular, and is provided with a mounting hole for mounting an illuminating lamp;
the pencil can pass the pencil export of riser, connecting pipe and mount pad in proper order and be connected with the light electricity.
Optionally, the wire harness outlet can be arranged in the middle of the top of the mounting seat, the wire harness penetrates through the wire harness outlet of the vertical pipe, the connecting pipe and the mounting seat, the wire harness is prevented from being exposed, safety risks are reduced, the illuminating lamp is fixed on the mounting seat through connecting pieces such as bolts arranged in the mounting hole, the wire harness extends out of the rear portion of the illuminating lamp and is electrically connected with the illuminating lamp, and the layout is reasonable.
Preferably, the bottom of the mounting seat is provided with a connecting hole, the connecting hole is sleeved at the top end of the connecting pipe, and the connecting hole is connected with the top of the connecting pipe through threads. The connecting hole is provided with an internal thread part, the connecting pipe is provided with an external thread part, and the mounting seat and the connecting pipe are connected with the external thread part through the internal thread part.
Preferably, the bottom of the mounting seat is provided with a connecting hole, the connecting hole is sleeved at the top end of the connecting pipe, and the connecting hole is connected with the top of the connecting pipe through a bearing.
Optionally, the connecting pipe is fixedly connected with the stand pipe in a welding or clamping manner, and the mounting seat is rotatably connected with the connecting pipe through threads or a bearing so as to control the direction of the illuminating lamp; or, the mount pad passes through threaded connection or key-type connection with the connecting pipe and realizes fixed connection, and the connecting pipe directly is connected through the bearing with the riser and realizes rotating the connection, and the connected mode can be decided according to actual demand to can realize the rotation of light.
Preferably, spacing subassembly includes gag lever post and limiting plate, and the gag lever post articulates in the mount pad, and the outer wall of riser is located to the limiting plate for the motion of restriction gag lever post along circumference.
Preferably, the mount pad is equipped with the engaging lug with one side that the extension deviates from, and the gag lever post passes through round pin axle handing-over in the engaging lug to can be at vertical plane internal rotation.
Preferably, the outer edge of the limiting plate is provided with a plurality of grooves which are arranged at intervals along the circumferential direction, and the limiting rod can be clamped in any one of the grooves;
the limiting rod is separated from the groove of the limiting plate and can drive the mounting seat to rotate. The limiting rod can be lifted by taking the connecting lug as a circle center to be separated from the limiting plate, and the mounting seat and the illuminating lamp are driven to rotate, so that the illuminating lamp is more flexible and convenient in direction adjustment; when the limiting rod falls into the groove on the limiting plate, the limiting plate can be clamped, so that the situation that the illuminating lamp and the illuminating lamp support rotate and the modeling is separated is avoided.
Preferably, the outer edge of the limiting plate is arc-shaped, the groove is U-shaped, and the opening direction of the groove is arranged outwards.
The invention further provides a railway vehicle which comprises the illuminating lamp bracket for the railway vehicle.
Example 1
As shown in fig. 1 to 3, the invention provides an illuminating lamp bracket for a railway vehicle, which comprises an installation seat 1, a bracket tube assembly 2 and a limiting assembly, wherein the installation seat 1 is used for being rotatably connected with the railway vehicle and penetrating through a wire harness, the installation seat 1 is arranged at the top end of the bracket tube assembly 2, and the limiting assembly is arranged between the installation seat 1 and the bracket tube assembly 2 and is used for limiting the installation seat 1.
In this embodiment, the stand pipe assembly 2 includes a stand pipe 5 and a connecting pipe 9, the connecting pipe 9 is disposed at the top end of the stand pipe 5 for installing the mounting seat 1, and the bottom end of the stand pipe 5 is connected with the vehicle floor 8. The riser 5 is fixed to a vehicle floor 8 by a welded connection, and a wiring harness 9 for the illumination lamp 7 is electrically connected to the illumination lamp 7 from the vehicle through the riser 5 and the connection pipe 6.
The mounting seat 1 is cylindrical, a wire harness outlet is formed in the top of the mounting seat 1, and an extending part is arranged on the outer edge of the mounting seat 1; the extension part is rectangular, and is provided with a mounting hole for mounting the illuminating lamp 7;
the wire harness 9 can be electrically connected with the illuminating lamp 7 through the vertical pipe 5, the connecting pipe 6 and the wire harness outlet of the mounting seat 1 in sequence. The wire harness outlet is arranged in the middle of the top of the mounting seat 1, the wire harness 9 penetrates through the wire harness outlet of the vertical pipe 5, the connecting pipe 6 and the mounting seat 1, the wire harness 9 is prevented from being exposed, the illuminating lamp 7 is fixed on the mounting seat 1 through a bolt arranged in the mounting hole, and the wire harness 9 extends out of the rear of the illuminating lamp 7 and is electrically connected with the illuminating lamp 7.
In this embodiment, the bottom of the mounting seat 1 is provided with a connecting hole, the connecting hole is sleeved on the top end of the connecting pipe 6, and the connecting hole is connected with the top of the connecting pipe 6 through a thread. The connection hole is provided with an internal threaded portion, the connection pipe 6 is provided with an external threaded portion, and the mount 1 and the connection pipe 6 are connected with the external threaded portion through the internal threaded portion.
Spacing subassembly includes gag lever post 3 and limiting plate 4, and gag lever post 3 articulates in mount pad 1, and the outer wall of riser 5 is located to limiting plate 4 for limit 3 along circumferential motion.
One side that mount pad 1 and extension deviated from is equipped with the engaging lug, and gag lever post 3 passes through the round pin axle and articulates in the engaging lug to can be at vertical in-plane rotation.
The outer edge of the limiting plate 4 is provided with a plurality of grooves which are arranged at intervals along the circumferential direction, and the limiting rod 3 can be clamped in any one of the grooves; the limiting rod 3 is separated from the groove of the limiting plate 4, so that the mounting seat 1 can be driven to rotate. The limiting rod 3 can be lifted by taking the connecting lug as a circle center to be separated from the limiting plate 4, and the mounting seat 1 and the illuminating lamp 7 are driven to rotate, so that the illuminating lamp 7 is more flexible and convenient in direction adjustment; when the limiting rod 3 falls into the groove on the limiting plate 4, the limiting plate 4 can be clamped, so that the lighting lamp 7 and the lighting lamp 7 support are prevented from rotating and the modeling is prevented from being separated.
In this embodiment, the outer edge of the limiting plate 4 is arc-shaped, the groove is U-shaped, and the opening direction of the groove is arranged outwards.
The invention further provides a railway vehicle which comprises the illuminating lamp bracket for the railway vehicle.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The utility model provides a light support for rail vehicle, its characterized in that, includes mount pad (1), support pipe assembly (2) and spacing subassembly, support pipe assembly (2) are used for being connected with rail vehicle and pass pencil (9), mount pad (1) are located the top of support pipe assembly (2), spacing subassembly is located the mount pad with between support pipe assembly (2), it is right to be used for mount pad (1) carry on spacingly.
2. Light bracket according to claim 1, characterized in that the bracket tube assembly (2) comprises a stand tube (5) and a connecting tube (6), the connecting tube (6) being provided at the top end of the stand tube (5) for mounting the mounting socket (1), the bottom end of the stand tube (5) being connected to the vehicle floor (8).
3. The light bracket for the railway vehicle according to claim 2, characterized in that the mounting seat (1) is cylindrical, the top of the mounting seat (1) is provided with a wire harness outlet, and the outer edge of the mounting seat (1) is provided with an extension part; the extension part is rectangular, and a mounting hole (10) is formed in the extension part and used for mounting the illuminating lamp (7);
the wiring harness (9) can sequentially penetrate through the vertical pipe (5), the connecting pipe (6) and the wiring harness outlet of the mounting seat (1) and is electrically connected with the illuminating lamp (7).
4. The light bracket for the rail vehicle according to claim 3, wherein a connecting hole is formed at the bottom of the mounting seat (1), the connecting hole is sleeved at the top end of the connecting pipe (6), and the connecting hole is connected with the top of the connecting pipe (6) through a thread.
5. The light bracket for the rail vehicle according to claim 3, characterized in that a connecting hole is formed at the bottom of the mounting seat (1), the connecting hole is sleeved on the top end of the connecting pipe (6), and the connecting hole is connected with the top of the connecting pipe (6) through a bearing.
6. Light bracket for rail vehicles according to claim 4 or 5, characterized in that the limiting component comprises a limiting rod (3) and a limiting plate (4), the limiting rod (3) is hinged to the mounting seat (1), and the limiting plate (4) is arranged on the outer wall of the vertical tube (5) and used for limiting the limiting rod (3) to move along the circumferential direction.
7. The light bracket for the rail vehicle according to claim 6, characterized in that a connecting lug is arranged on one side of the mounting seat (1) away from the extending part, and the limiting rod (3) is hinged to the connecting lug through a pin shaft so as to rotate in a vertical plane.
8. The illuminating lamp bracket for the railway vehicle as claimed in claim 7, wherein the outer edge of the limiting plate (4) is provided with a plurality of grooves which are arranged at intervals along the circumferential direction, and the limiting rod (3) can be clamped in any one of the grooves;
the limiting rod (3) is separated from the groove of the limiting plate (4) and can drive the mounting seat (1) to rotate.
9. The light bracket for the railway vehicle as claimed in claim 8, wherein the outer edge of the limiting plate (4) is arc-shaped, the groove is U-shaped, and the opening direction of the groove is arranged outwards.
10. A rail vehicle, characterized in that it comprises a rail vehicle headlamp bracket according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505849.4A CN113339732B (en) | 2021-05-10 | 2021-05-10 | Lighting lamp bracket for railway vehicle and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505849.4A CN113339732B (en) | 2021-05-10 | 2021-05-10 | Lighting lamp bracket for railway vehicle and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113339732A true CN113339732A (en) | 2021-09-03 |
| CN113339732B CN113339732B (en) | 2023-07-04 |
Family
ID=77470397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110505849.4A Active CN113339732B (en) | 2021-05-10 | 2021-05-10 | Lighting lamp bracket for railway vehicle and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339732B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206222155U (en) * | 2016-08-01 | 2017-06-06 | 飞利浦灯具(上海)有限公司 | It is a kind of to can be used for the light fixture of accent light |
| CN207831191U (en) * | 2018-01-25 | 2018-09-07 | 李俊婕 | A kind of temporary lighting device that engineering construction uses |
| CN212005445U (en) * | 2020-06-24 | 2020-11-24 | 太原师范学院 | Landscape design landscape lamp convenient to adjust |
| CN112483935A (en) * | 2020-12-01 | 2021-03-12 | 江阴长江电器有限公司 | Warning light and rotary mechanism thereof |
| CN112524527A (en) * | 2020-12-04 | 2021-03-19 | 浙江中瑞环境设计工程有限公司 | LED illuminating lamp with adjustable illuminating angle |
-
2021
- 2021-05-10 CN CN202110505849.4A patent/CN113339732B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206222155U (en) * | 2016-08-01 | 2017-06-06 | 飞利浦灯具(上海)有限公司 | It is a kind of to can be used for the light fixture of accent light |
| CN207831191U (en) * | 2018-01-25 | 2018-09-07 | 李俊婕 | A kind of temporary lighting device that engineering construction uses |
| CN212005445U (en) * | 2020-06-24 | 2020-11-24 | 太原师范学院 | Landscape design landscape lamp convenient to adjust |
| CN112483935A (en) * | 2020-12-01 | 2021-03-12 | 江阴长江电器有限公司 | Warning light and rotary mechanism thereof |
| CN112524527A (en) * | 2020-12-04 | 2021-03-19 | 浙江中瑞环境设计工程有限公司 | LED illuminating lamp with adjustable illuminating angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113339732B (en) | 2023-07-04 |
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