CN112963743A

CN112963743A - LED lamp

Info

Publication number: CN112963743A
Application number: CN202110258947.2A
Authority: CN
Inventors: 陈礼革
Original assignee: Shenzhen Tongxin Technology Co ltd
Current assignee: Shenzhen Tongxin Technology Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-15
Anticipated expiration: 2041-03-10
Also published as: CN112963743B

Abstract

The invention discloses an LED lamp which is provided with an adjusting mechanism, wherein the inclination angle of each LED light-emitting unit can be effectively adjusted through a plurality of adjusting arms of the adjusting mechanism, so that the divergence, the direct radiation and the focusing of light rays are realized, and the second arm can be completely or partially retracted into the first arm due to the fact that the second arm in the adjusting arms can compress an elastic piece, so that the second arm can be separated from a through hole; the user can unscrew the LED luminescence unit from the installation mainboard, conveniently maintains or changes the LED luminescence unit. Meanwhile, the LED lamp is also provided with the connecting component for plug-in connection, and the plurality of LED light-emitting units can be connected in series through the arrangement of the first connecting unit and the second connecting unit, so that hot-line work of workers is effectively avoided during maintenance, overhaul and replacement, and the electrifying effect and safety can be ensured only by simple plug-in connection.

Description

LED lamp

Technical Field

The invention relates to the technical field of lighting equipment, in particular to an LED lamp.

Background

The LED illuminating lamp is used as a novel green light source product, is called as a fourth-generation illuminating light source or a green light source, has less power consumption, high brightness and long service life compared with the traditional illuminating product, does not cause environmental pollution when being used for waste treatment after the production and the service life are finished, has good economic and technical performance indexes, and can be widely applied to the fields of various indications, display, decoration, backlight sources, common illumination, urban night scenes and the like.

However, most of the existing LEDs are packaged in a cylindrical or spherical manner, and due to the effect of the convex lens, light emitted by the LEDs is too concentrated, most of the light is located on the axis of the cylinder or the sphere, and the larger the angle deviating from the axis is, the smaller the light intensity is, so that the angle of the illumination light is narrow, large-area illumination cannot be performed, the intensity of the light cannot be adjusted, and various inconveniences can be brought in practical use; the existing LED light-emitting units are mostly assembled in series through circuit boards, once one light-emitting unit fails, the whole LED is abandoned and connected through a bare wire, and when wiring is carried out, special personnel are needed to operate, so that the maintenance and replacement of a user are inconvenient.

Disclosure of Invention

Aiming at the defects in the technology, the invention provides an LED lamp.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an LED light fixture comprising:

the mounting main board is in a circular plate shape, and a plurality of circular mounting holes are formed in the upper part of the mounting main board;

the LED light-emitting units are positioned in the mounting holes, and adjacent LED light-emitting units are connected through a connecting assembly;

and the adjusting mechanism is positioned at the circle center of the installation mainboard, is respectively connected with the plurality of LED light-emitting units and is used for adjusting the light-emitting angles of the plurality of LED light-emitting units.

Preferably, the LED light emitting unit includes:

the light emitting device comprises a spherical main body, a light emitting tube and a light guide tube, wherein the upper part of the spherical main body is provided with an end in an extending manner, the lower part of the spherical main body is provided with the light emitting tube in an extending manner, the spherical main body is hollow, and a light emitting path is formed by the spherical main body and the light emitting tube;

the hollow bracket is internally provided with an accommodating space for accommodating at least part of the spherical main body, and the outer surface of the spherical main body is attached to the inner wall of the hollow bracket; the outer wall of the hollow bracket is provided with an external thread;

the pressing ring is pressed on the upper side of the spherical main body and is detachably connected with the hollow bracket;

the LED assembly comprises a PCB, two ends of the PCB are respectively connected with a first connecting wire and a second connecting wire, and an LED is mounted on the lower side of the PCB;

the mounting structure is characterized in that a hollow cylinder is arranged on the outer edge of the mounting hole, the lower portion of the hollow cylinder is fixedly connected with the mounting main board through a connecting plate, an internal thread is formed on the inner wall of the hollow cylinder, and the internal thread is in threaded connection with the external thread.

Preferably, the lower end of the luminous tube is provided with an opening, an annular clamping groove is formed in the inner wall of the luminous tube, and the protective mask is clamped by the clamping groove;

the protective mask comprises a transparent convex part and a horizontal part positioned on the edge of the convex part, and the horizontal part and the clamping groove form interference fit;

and a sealing ring is arranged between the horizontal part and the clamping groove.

Preferably, the lower part of the hollow bracket is further provided with an annular limiting plate to limit the screwing length of the internal thread and the external thread; the compression ring is fixedly connected with the hollow bracket through a screw.

Preferably, the adjusting mechanism includes:

the micro motor is fixed on the installation main board, and an output shaft of the micro motor is connected with a vertical screw rod;

the lifting screw sleeve is in threaded connection with the vertical screw rod;

and one end of the adjusting arm is hinged with the lifting screw sleeve, and the other end of the adjusting arm is inserted into the through hole in the end of the LED light-emitting unit in a sliding manner.

Preferably, the adjusting arm comprises a first arm and a second arm, the first arm is hinged with the lifting screw sleeve, and the second arm is inserted into the through hole in the upper part of the end head; the first arm is hollow, and the second arm is inserted into the first arm and is in sliding connection with the first arm; one end of the second arm inserted into the first arm is connected with an elastic piece, and the other end of the elastic piece is fixed in the first arm;

the first arm is provided with a long-strip groove extending along the length direction of the first arm, and the long-strip groove is communicated with the hollow interior of the first arm; the second arm is provided with a shifting block, and the shifting block extends out of the long groove; based on above structure, the user can conveniently be with in the second arm retraction first arm through stirring the shifting block.

Preferably, a plurality of fixed blocks which are uniformly distributed are formed on the outer circumference of the lifting screw sleeve, an articulated shaft is arranged between the fixed blocks, and the first arm is articulated with the lifting screw sleeve through the articulated shaft.

Preferably, the connecting assembly comprises:

a first connection unit connected to the first connection line; a second connection unit connected to the second connection line; the first connecting unit and the second connecting unit are in plug-in fit.

Preferably, wherein the first connecting unit includes: a first body having a socket part fixed therein; socket portion is including installing the inside first supporting seat of first main part, first supporting seat cavity sets up, the internally mounted of first supporting seat has socket fixing base, socket fixing base's inside is fixed with the socket, the inside of socket is formed with the jack.

Preferably, a first annular convex is arranged outside the first support seat, and a first annular concave is arranged inside the first support seat; the outside of socket fixing base is provided with second annular evagination, first supporting seat passes through first annular evagination joint and is in inside the first main part, the inside at first supporting seat is fixed through first annular indent and the cooperation of second annular evagination joint to socket fixing base.

Compared with the prior art, the invention has the beneficial effects that: the LED lamp provided by the invention is provided with the adjusting mechanism, the inclination angle of each LED light-emitting unit can be effectively adjusted through the plurality of adjusting arms of the adjusting mechanism, so that the light can be diffused, directly projected and focused, and the second arm can be retracted into the first arm completely or partially due to the fact that the second arm in the adjusting arms can compress the elastic piece, so that the second arm can be separated from the through hole; the user can unscrew the LED luminescence unit from the installation mainboard, conveniently maintains or changes the LED luminescence unit. Meanwhile, the LED lamp is also provided with the connecting assembly for plug connection, and the plurality of LED light-emitting units can be connected in series through the arrangement of the first connecting unit and the second connecting unit, so that the live working of a user is effectively avoided during maintenance, overhaul and replacement, and the electrifying effect and the safety can be ensured only by simple plug connection.

Drawings

FIG. 1 is a schematic view of an overall structure of an LED lamp according to the present invention;

FIG. 2 is a schematic structural diagram of the LED light-emitting unit of the present invention in a direct projection state;

FIG. 3 is a schematic structural view of an LED light-emitting unit according to the present invention in a state of rotating a certain angle;

FIG. 4 is a schematic view of the protective mask of the present invention;

FIG. 5 is a schematic view of the overall structure of the LED light-emitting unit of the present invention;

FIG. 6 is a schematic view of the overall structure of the adjusting mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the adjustment arm of the present invention;

FIG. 8 is a cross-sectional view of an adjustment arm of the present invention;

FIG. 9 is a butt-joint view of the connecting assembly of the present invention;

FIG. 10 is an exploded view of the coupling assembly of the present invention;

FIG. 11 is a cross-sectional view of the coupling assembly of the present invention in a mated condition;

FIG. 12 is a schematic structural diagram of a first connecting unit according to the present invention;

FIG. 13 is a schematic structural diagram of a second connecting unit according to the present invention;

FIG. 14 is a schematic view of the LED lamp of the present invention in direct projection;

FIG. 15 is a schematic view of an LED lamp according to the present invention during divergent illumination;

FIG. 16 is a schematic view of an LED lamp according to the present invention when focused.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention provides an LED lamp, which comprises:

a mounting main board 1, wherein the mounting main board 1 is in a circular plate shape, and a plurality of circular mounting holes (not shown in the figure) are formed in the upper part of the mounting main board 1;

the LED light-emitting units 2 are positioned in the mounting holes, and the adjacent LED light-emitting units 2 are connected through a connecting component 3;

and the adjusting mechanism 4 is positioned at the circle center of the installation main board 1, is respectively connected with the plurality of LED light-emitting units 2, and is used for adjusting the light-emitting angles of the plurality of LED light-emitting units 2.

Further, the number of the mounting holes is the same as that of the LED light emitting units 2, and the distance from the center of the mounting hole to the center of the mounting main board 1 is equal.

Further, a hollow cylinder 11 is arranged on the outer edge of the mounting hole, the lower portion of the hollow cylinder 11 is fixedly connected with the mounting main board 1 through a connecting plate 111, and an internal thread is formed on the inner wall of the hollow cylinder 11.

Further, the LED lighting unit 2 includes:

the light emitting device comprises a spherical main body 20, wherein a tip 201 is arranged on the upper part of the spherical main body 20 in an extending manner, a light emitting tube 203 is arranged on the lower part of the spherical main body 20 in an extending manner, the spherical main body 20 is hollow, and a light emitting path is formed by the spherical main body and the light emitting tube 203;

a hollow bracket 21, wherein an accommodating space for accommodating at least part of the spherical main body 20 is formed inside the hollow bracket 21, and the outer surface of the spherical main body 20 is attached to the inner wall of the hollow bracket 21; the outer wall of the hollow bracket 21 is formed with an external thread;

a pressing ring 25, wherein the pressing ring 25 is pressed on the upper side of the spherical main body 20 and is detachably connected with the hollow bracket 21;

the LED assembly comprises a PCB (printed Circuit Board) 22, two ends of the PCB 22 are respectively connected with a first connecting line 301 and a second connecting line 302, and an LED24 is installed on the lower side of the PCB 22.

Further, a plurality of heat dissipation fins 202 are formed on the end 201, and are distributed on the end 201 from top to bottom, and the heat dissipation fins 201 are in an annular fin structure; the upper portion of the tip 201 is also formed with a through hole 2010.

Further, a reflector 23 is disposed on the PCB 22 to reduce light loss and improve light source intensity.

Further, an opening is formed at the lower end of the light emitting tube 203, an annular clamping groove 204 is formed in the inner wall of the light emitting tube 203, and the protective mask 205 is clamped by the clamping groove 204.

The protective mask 205 includes a transparent convex part 2051 and a horizontal part 2052 located at an edge of the convex part 2051, and the horizontal part 2052 forms an interference fit with the holding groove 204.

A seal ring is provided between the horizontal portion 2052 and the holding groove 204.

The lower part of the hollow bracket 21 is also provided with an annular limiting plate 211 to limit the screwing length of the internal thread and the external thread; the press ring 25 is fixedly connected to the hollow bracket 21 by screws 251.

Further, the adjusting mechanism 4 includes:

the micro motor 40 is fixed on the installation main board 1, and an output shaft of the micro motor 40 is connected with a vertical screw rod 401;

the lifting screw sleeve 41 is in threaded connection with the vertical screw rod 401;

and one end of each adjusting arm 42 is hinged to the corresponding lifting threaded sleeve 41, and the other end of each adjusting arm 42 is slidably inserted into the corresponding LED light-emitting unit 2.

The adjusting arm 42 comprises a first arm 43 and a second arm 44, the first arm 43 is hinged to the lifting screw sleeve 41, and the second arm 44 is inserted into the through hole 2010 on the upper part of the head 201; the first arm 43 is hollow, and the second arm 44 is inserted into the first arm 43 and forms a sliding connection with the first arm 43; an elastic member 45 is connected to one end of the second arm 44 inserted into the first arm 43, and the other end of the elastic member 45 is fixed inside the first arm 43. It will be appreciated that the second arm 44 can compress the resilient member 45 to fully or partially retract into the first arm 43, such that the second arm 44 can be withdrawn from the through-hole 2010; the user can spin the dress with LED luminescence unit 2 from installation mainboard 1 and unscrew, conveniently maintains or changes LED luminescence unit 2.

Further, the first arm 43 is provided with a long groove 430 extending along the length direction of the first arm 43, and the long groove is communicated with the hollow interior of the first arm 43; a shifting block 441 is arranged on the second arm 44, and the shifting block 441 extends out of the long groove 430; based on the above structure, the user can conveniently retract the second arm 44 into the first arm 43 by pulling the dial 441.

Further, a plurality of fixed blocks which are uniformly distributed are formed on the outer circumference of the lifting screw sleeve 41, an articulated shaft 411 is arranged between the fixed blocks, and the first arm 43 is articulated with the lifting screw sleeve 41 through the articulated shaft 411.

Further, the connection assembly 3 includes:

a first connection unit 31, the first connection unit 31 being connected to the first connection line 301; a second connection unit 32, wherein the second connection unit 32 is connected to the second connection line 302; the first connection unit 31 and the second connection unit 32 are fitted by plugging.

Wherein the first connection unit 31 includes: a first body 310, a socket part being fixed inside the first body 310; the socket portion includes a first supporting seat 312 installed inside the first body 310, the first supporting seat 312 is hollow, a socket fixing seat 313 is installed inside the first supporting seat 312, a socket 314 is fixed inside the socket fixing seat 313, and an insertion hole 3140 is formed inside the socket 314.

Further, a first annular outer protrusion 3121 is disposed outside the first support seat 312, and a first annular inner recess is disposed inside the first support seat; the socket fixing seat 313 is provided with a second annular outer protrusion 3141 on the outside, the first support seat 312 is clamped inside the first main body 310 through a first annular outer protrusion 3121, and the socket fixing seat 313 is fixed inside the first support seat 312 through the clamping fit of the first annular inner protrusion and the second annular outer protrusion 3141.

Wherein the second connection unit 32 includes: a second body 320, in which a plug part is fixed inside the second body 320; the plug portion comprises a second supporting seat 322 installed inside the second main body 320, the second supporting seat 322 is hollow, a plug fixing seat 323 is installed inside the second supporting seat 322, a plug 324 extending out is fixed inside the plug fixing seat 323, and the plug 324 is in plug-in fit with the jack 3140.

Further, a third annular outer protrusion 3221 is disposed outside the second support seat 322, a first annular inner protrusion 3222 is disposed inside the second support seat 322, and the second support seat 322 is clamped inside the second main body 320 through the third annular outer protrusion 3221 and further clamped outside the plug fixing seat 323 through the third annular outer protrusion 3221.

Further, the front end of the plug 324 is provided with a blind hole, a spring 325 is arranged in the blind hole, and the end of the spring 325 is connected with a ball 326. In a specific application scenario, the ball 326 can move in the blind hole, and can partially extend out of the blind hole under the elastic force of the spring 325, and does not fall out of the blind hole.

Specifically, the spring 325, the ball 326 and the plug 324 are electrically connected, and all of the three are good electrical conductors; based on the above structure, when the first connection unit 31 and the second connection unit 32 are inserted and mated, even if the plug 324 and the socket 314 are not in contact, the ball 326 can be pressed against the socket 314 to form a conductive circuit; the conductive performance between the first connection unit 31 and the second connection unit 32 is further ensured.

Further, one side of the first main body 310 adjacent to the second main body 320 is connected with a hollow part 311 which expands outwards, and when the plug-in connector is powered on, the second main body 320 is inserted into the hollow part 311; a plurality of notches 3100 are formed in the hollow part 311; a clamping mechanism matched with the notch 3100 is arranged on the outer wall of the first body 310 to ensure that the first connection unit and the second connection unit are tightly connected.

The chucking mechanism includes: a cross bar 3171 is connected to the end of the elastic support arm 3172, and the cross bar 3171 is axially parallel to the first body; a clamping block 3175 is arranged at one end of the cross bar 3171, an inserting arm 3173 is arranged at the other end of the cross bar 3171, a clamping piece 3174 is arranged at the tail end of the inserting arm 3173, and the clamping piece 3174 is positioned in the gap 3100.

The first body 310 is further provided with an elastic positioning inclined rod 318 for limiting the fixture block 3175.

Further, a positioning groove 3200 is further disposed on an outer side of the second body 320, and is used for being connected with a card 3174 in a clamping manner.

Specifically, before the first connecting unit 31 and the second connecting unit 32 are inserted, the elastic positioning diagonal rod 318 needs to be configured to be disengaged from the latch 3175; pressing crossbar 3171 deforms flexible support arms 3172 to move card 3174 out of notch 3100; when the cross bar 3171 is released after the second body 320 is inserted, the latching piece 3174 can be latched in the latching groove 3200 by the elastic force of the elastic supporting arm 3172 itself, preventing the first connection unit 31 and the second connection unit 32 from being disengaged.

In order to prevent the card 3174 from coming out of the positioning groove 3200, after the first connecting unit 31 and the second connecting unit 32 are inserted, the elastic positioning diagonal rod 318 is subsequently pulled to be elastically abutted against the latch 3175.

More specifically, in a free state, the elastic positioning slanting rod 318 and the first main body form an included angle in the axial direction, and the included angle is 45-60 degrees; and in the abutting state of the elastic positioning inclined rod 318 and the fixture block 3175, the elastic positioning inclined rod 318 is substantially perpendicular to the axial direction of the first main body.

Based on the above structure, the user can conveniently operate the elastic positioning inclined rod 318; and in the free state of the elastic positioning diagonal member 318, the elastic positioning diagonal member 318 does not interfere with the pressing cross bar 3171.

The second main body 320 on both sides of the positioning groove 3200 is provided with a first annular ring 3201 and a second annular ring 3202, and the first annular ring 3201 and the second annular ring 3202 are arranged on both sides of the gap 3100 in a state where the first connecting unit 31 and the second connecting unit 32 are inserted and butted.

In an embodiment of the present invention, the first body 310 is provided with a gasket 33, and the second body 320 can abut against the gasket 33 to form an effective seal in a state where the first connecting unit 31 and the second connecting unit 32 are in an inserted and mated state.

Further, a first groove 316 is formed between the first supporting seat 312 and the socket fixing seat 313, and a first flange 3231 capable of being inserted into the first groove 316 is formed at an end of the plug fixing seat 323.

The outer end of the socket fixing seat 313 exceeds the socket 314, so that a cylindrical mounting groove is formed between the socket fixing seat 313 and the socket 314; an elastic pad 315 is arranged in the cylindrical mounting groove; a second flange 3232 is further formed at an end of the plug holder 323, and the second flange 3232 can press against the elastic pad 315 in a state where the first connection unit 31 and the second connection unit 32 are inserted and mated.

A second groove 3230 is formed between the first flange 3231 and the second flange 3232, and an end of the receptacle holder 313 can be inserted into the second groove 3230 in a state where the first connection unit 31 and the second connection unit 32 are in an engaged state.

Based on the above structure, in the plugged state of the socket 314 and the plug 324, the outer parts of the socket and the plug can form an arch structure; and the sealing gasket 33 and the elastic gasket 315 are arranged, so that gas or liquid can not enter the connection range of the socket 314 and the plug 324, and the jack 3140 and the plug 324 are prevented from being oxidized to influence normal use.

In an embodiment of the present invention, a boss 321 is formed on the outer side of the second body 320, and when the first connection unit 31 and the second connection unit 32 are in an inserted and butted state, the boss can abut against the outer end of the hollow portion 311 to form a limit structure.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. An LED lamp, comprising:

2. The LED lamp of claim 1,

the LED light emitting unit includes:

3. The LED lamp of claim 2,

the lower end of the luminous cylinder is provided with an opening, an annular clamping groove is formed in the inner wall of the luminous cylinder, and the protective mask is clamped by the clamping groove;

4. The LED lamp of claim 2,

the lower part of the hollow bracket is also provided with an annular limiting plate to limit the bolt connection length of the internal thread and the external thread; the compression ring is fixedly connected with the hollow bracket through a screw.

5. The LED lamp of claim 2,

the adjustment mechanism includes:

the lifting screw sleeve is in threaded connection with the vertical screw rod;

6. The LED light fixture of claim 5 wherein,

the adjusting arm comprises a first arm and a second arm, the first arm is hinged with the lifting screw sleeve, and the second arm is inserted into the through hole in the upper part of the end head; the first arm is hollow, and the second arm is inserted into the first arm and is in sliding connection with the first arm; one end of the second arm inserted into the first arm is connected with an elastic piece, and the other end of the elastic piece is fixed in the first arm;

7. The LED lamp of claim 6,

a plurality of fixed blocks which are uniformly distributed are formed on the outer circumference of the lifting screw sleeve, an articulated shaft is arranged between the fixed blocks, and the first arm is articulated with the lifting screw sleeve through the articulated shaft.

8. The LED lamp of claim 2,

the coupling assembling includes:

9. The LED light fixture of claim 8 wherein,

wherein the first connection unit includes: a first body having a socket part fixed therein; socket portion is including installing the inside first supporting seat of first main part, first supporting seat cavity sets up, the internally mounted of first supporting seat has socket fixing base, socket fixing base's inside is fixed with the socket, the inside of socket is formed with the jack.

10. The LED lamp of claim 9,

a first annular convex is arranged outside the first support seat, and a first annular concave is arranged inside the first support seat; the outside of socket fixing base is provided with second annular evagination, first supporting seat passes through first annular evagination joint and is in inside the first main part, the inside at first supporting seat is fixed through first annular indent and the cooperation of second annular evagination joint to socket fixing base.