CN216113926U

CN216113926U - LED down lamp

Info

Publication number: CN216113926U
Application number: CN202122076688.XU
Authority: CN
Inventors: 吴鑫
Original assignee: Zhejiang Nvc Lamps Co ltd
Current assignee: Zhejiang Nvc Lamps Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-22
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to an LED down lamp which comprises an LED driving circuit board, an LED light source circuit board, a power supply box, a lamp cup and a down lamp mounting structure, wherein the lamp cup is provided with a circuit board through hole and a plurality of lamp cup part circuit board fixing screw through holes, the LED light source circuit board is provided with a plurality of circuit board part circuit board fixing screw through holes, the LED driving circuit is positioned in the power supply box, the lamp cup is supported and sealed on the opening end of the power supply box, and circuit board fixing screws penetrate through the circuit board part circuit board fixing screw through holes and the lamp cup part circuit board fixing screw through holes in a one-to-one correspondence mode and are in threaded connection in the circuit board fixing screw connecting holes. The utility model provides an LED down lamp, wherein an LED driver circuit board and an LED light source circuit board can be connected firstly and then installed in a power supply box, and the problem of inconvenient installation caused by the fact that the LED driver circuit board of the existing LED down lamp needs to be installed in the power supply box firstly and then can be connected with the LED light source circuit board is solved.

Description

LED down lamp

Technical Field

The utility model relates to a lamp, in particular to an LED down lamp.

Background

The LED has the advantages of small volume, low power consumption, long service life, high brightness, environmental protection, firmness, durability and the like, and is widely applied to lamps.

The LED spotlight comprises a lamp cap (connected with a power box) and a base, wherein the lamp cap is connected with the base to fix the spotlight and introduce a power supply; the lamp cup is used for being connected with the lamp holder to form a cavity which is of a light-transmitting structure; the LED light source is provided with an LED driver circuit board and a plurality of LED light source circuit boards, and the LED driver is used for receiving a power supply introduced by the lamp holder and then driving the LED to emit light; the high power LED is also independently provided with a heat dissipation plate for supporting the circuit board and dissipating heat generated by the LED. The LED driver circuit board is arranged in the power box, and the LED light source circuit board is arranged in the lamp cup. The LED light source circuit board is arranged on the LED driver circuit board, and the LED light source circuit board is arranged on the LED driver circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model provides an LED down lamp, wherein an LED driver circuit board and an LED light source circuit board can be connected firstly and then installed in a power supply box, and the problem of inconvenient installation caused by the fact that the LED driver circuit board of the existing LED down lamp needs to be installed in the power supply box firstly and then can be connected with the LED light source circuit board is solved.

The technical problem is solved by the following technical scheme: an LED tube lamp comprises an LED drive circuit board, an LED light source circuit board, a power supply box, a lamp cup and a tube lamp mounting structure, it is characterized by also comprising a plurality of circuit board fixing screws, the lamp cup is provided with a circuit board through hole for the LED driving circuit board to pass through and a plurality of lamp cup part circuit board fixing screw through holes, the power supply box is of a structure with an opening at one end, a plurality of circuit board fixing screw connecting holes are arranged in the power supply box, the LED light source circuit board is provided with a plurality of circuit board part circuit board fixing screw through holes, the LED driving circuit is positioned in the power box, the lamp cup is supported and covered on the opening end of the power supply box, the circuit board fixing screws penetrate through the circuit board fixing screw through holes of the circuit board part and the lamp cup circuit board fixing screw through holes in a one-to-one correspondence mode and then are in threaded connection with the circuit board fixing screw connecting holes in a one-to-one correspondence mode, and therefore the LED light source circuit is matched with the power supply box to clamp the lamp cup. When the LED lamp is assembled, the LED driver circuit board and the LED light source circuit board are connected well, the power supply box is placed on the jig in a mode that the opening faces upwards, the lamp cup is placed on the power supply box, the LED driver circuit board penetrates into the power supply box through the circuit board through hole, the LED light source circuit board is located in the lamp cup, then the LED light source circuit is in threaded connection in the circuit board fixing screw connecting hole in a one-to-one correspondence mode after the circuit board fixing bolt penetrates through the circuit board fixing screw through hole of the circuit board part and the circuit board fixing screw through hole of the lamp cup part, and the LED light source circuit board is matched with the power supply box to clamp the lamp cup, so that the power supply box, the LED light source circuit board and the lamp cup are fixed.

Preferably, two circuit board installation slots are arranged in the power box, the circuit board installation slots extend along the distribution direction of the power box and the lamp cups, the edges of two sides of the LED driving circuit board are inserted into the circuit board installation slots and connected into the power box, and the LED driving circuit board can be inserted into and pulled out of the circuit board installation slots through the circuit board through holes. The installation is fixed convenient and reliable.

Preferably, the LED light source circuit board shields the circuit board through hole. The reliability of fixing the LED driver circuit board can be improved.

The LED light source circuit board is characterized by also comprising a light-transmitting lamp shade, wherein the light-transmitting lamp shade covers the LED light source circuit board.

Preferably, the down lamp mounting structures are two, two the down lamp mounting structures are oppositely connected to two sides of the outer surface of the lamp cup, the down lamp mounting structures comprise torsion springs and torsion spring connecting structures, the torsion springs are connected with the lamp cup through the torsion spring connecting structures, the torsion springs comprise torsion spring bodies and two torsion spring feet connected to two ends of the torsion spring bodies, the two torsion spring feet are distributed in a splayed shape, and the distribution directions of the two torsion spring feet are crossed with the distribution directions of the two down lamp mounting structures. When the power supply box is fixed, the torsion spring feet are folded in, so that the power supply box and the torsion spring feet are input into a spot light mounting hole for mounting a spot light on the suspended ceiling, and the torsion spring feet are opened under the action of the torsion spring body and clamped in the spot light mounting hole to realize the mounting of the spot light.

Preferably, the torsion spring connecting structure comprises a connecting seat, a connecting seat fixing bolt and a torsion spring fixing bolt, the torsion spring fixing bolt penetrates through the torsion spring body and is in threaded connection with the connecting seat to fix the torsion spring and the torsion spring connecting seat together, and the connecting seat fixing bolt fixes the connecting seat and the lamp cup together. The fixation is convenient and reliable.

Preferably, the lamp cup is provided with a lamp cup portion connecting seat fixing bolt through hole, the connecting seat is provided with a connecting seat fixing bolt connecting hole, and the connecting seat fixing bolt penetrates through the lamp cup portion connecting seat fixing bolt through hole and then is in threaded connection with the connecting seat fixing bolt connecting hole to fix the fixing seat and the lamp cup together. The fixation is convenient.

The utility model has the following advantages: the LED driver circuit board can be connected with the LED light source circuit board through the lamp cup after the LED driver circuit board and the LED light source circuit board are connected, so that the assembling steps can be diversified, and the labor consumption during short assembly can be reduced.

Drawings

Fig. 1 is a schematic view of the present invention in a separated state.

In the figure: the LED light source circuit board comprises an LED driving circuit board 1, an LED light source circuit board 2, a power supply box 3, a lamp cup 4, a light-transmitting lampshade 5, a circuit board via hole 6, a lamp cup circuit board fixing screw via hole 7, a lamp cup connecting seat fixing bolt via hole 8, a circuit board fixing screw connecting hole 9, two circuit board mounting slots 10, a circuit board fixing screw via hole 11, a torsion spring body 12, a torsion spring pin 13, a connecting seat 14, a connecting seat fixing bolt 15, a torsion spring fixing bolt 16, a threaded hole 17, a connecting seat fixing bolt connecting hole 18 and a circuit board fixing screw 19.

Detailed Description

The utility model is further described with reference to the following figures and examples.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an LED tube light comprises an LED driving circuit board 1, an LED light source circuit board 2, a power supply box 3, a lamp cup 4, a light-transmitting

lampshade

5, 2 tube light mounting structures and a plurality of circuit board fixing screws 19. The lamp cup is provided with a circuit board via hole 6 for the LED driving circuit board to pass through, a plurality of lamp cup part circuit board fixing screw via holes 7 and a plurality of lamp cup part connecting seat fixing bolt via holes 8. The power box is of a structure with an opening at one end. A plurality of circuit board fixing screw connecting holes 9 and two circuit board mounting slots 10 are arranged in the power supply box. The LED light source circuit board is provided with a plurality of circuit board part circuit board fixing screw through holes 11. The circuit board mounting slot extends along the distribution direction of the power box and the lamp cup. The LED drive circuit is located in the power box, specifically: the two side edges of the LED driving circuit board are inserted into the circuit board mounting slots and connected in the power box. The LED driving circuit board is a circuit board mounting slot which is inserted into and pulled out of the circuit board through a circuit board through hole. The lamp cup is supported and sealed on the opening end of the power supply box. The wires between the LED driver circuit board and the LED light source circuit board are connected together before the LED driver circuit board is mounted to the lamp cup. The circuit board fixing screws penetrate through the circuit board fixing screw through holes of the circuit board part and the circuit board fixing screw through holes of the lamp cup part in a one-to-one correspondence mode and are in threaded connection with the circuit board fixing screw connecting holes in a one-to-one correspondence mode, and therefore the LED light source circuit is matched with the power supply box to clamp the lamp cup. The LED light source circuit board shields the circuit board via hole. The light-transmitting lampshade and the lamp cup are matched to surround the LED light source circuit board. Two down lamp mounting structures are oppositely connected to two sides of the outer surface of the lamp cup. The down lamp mounting structure comprises a torsion spring and a torsion spring connecting structure. The torsion spring is connected with the lamp cup through a torsion spring connecting structure. The torsional spring includes torsional spring body 12 and two torsional spring feet 13 of connecting the torsional spring body both ends, and two torsional spring feet are "eight" style of calligraphy distribution, and the distribution direction of two torsional spring feet is crossed with the distribution direction of two down lamp mounting structure, specifically is the perpendicular. The torsion spring connection structure includes a connection seat 14, a connection seat fixing bolt 15, and a torsion spring fixing bolt 16. The torsion spring fixing bolt penetrates through the torsion spring body and is in threaded connection with the threaded hole 17 on the connecting seat, so that the torsion spring and the torsion spring connecting seat are fixed together. The connecting seat is fixed together with the lamp cup with connecting seat fixing bolt, specifically: the connecting base is provided with a connecting base fixing bolt connecting hole 18, and the connecting base fixing bolt penetrates through the connecting base fixing bolt through hole of the lamp cup part and then is in threaded connection in the connecting base fixing bolt connecting hole so as to fix the fixing base and the lamp cup together.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED tube lamp comprises an LED drive circuit board, an LED light source circuit board, a power supply box, a lamp cup and a tube lamp mounting structure, it is characterized by also comprising a plurality of circuit board fixing screws, the lamp cup is provided with a circuit board through hole for the LED driving circuit board to pass through and a plurality of lamp cup part circuit board fixing screw through holes, the power supply box is of a structure with an opening at one end, a plurality of circuit board fixing screw connecting holes are arranged in the power supply box, the LED light source circuit board is provided with a plurality of circuit board part circuit board fixing screw through holes, the LED driving circuit is positioned in the power box, the lamp cup is supported and covered on the opening end of the power supply box, the circuit board fixing screws penetrate through the circuit board fixing screw through holes of the circuit board part and the lamp cup circuit board fixing screw through holes in a one-to-one correspondence mode and then are in threaded connection with the circuit board fixing screw connecting holes in a one-to-one correspondence mode, and therefore the LED light source circuit is matched with the power supply box to clamp the lamp cup.

2. The LED down lamp according to claim 1, wherein two circuit board mounting slots are formed in the power supply box, the circuit board mounting slots extend along the distribution direction of the power supply box and the lamp cup, two side edges of the LED driving circuit board are inserted into the circuit board mounting slots and connected into the power supply box, and the LED driving circuit board can be inserted into and pulled out of the circuit board mounting slots through the circuit board through holes.

3. An LED down lamp according to claim 1 or 2, wherein the LED light source circuit board blocks the circuit board via hole.

4. An LED down lamp according to claim 1 or 2, further comprising a light-transmitting lamp shade covering the LED light source circuit board.

5. The LED down lamp according to claim 1 or 2, wherein the two down lamp mounting structures are oppositely connected to two sides of the outer surface of the lamp cup, the down lamp mounting structures comprise torsion springs and torsion spring connection structures, the torsion springs are connected with the lamp cup through the torsion spring connection structures, the torsion springs comprise torsion spring bodies and two torsion spring pins connected to two ends of the torsion spring bodies, the two torsion spring pins are distributed in a splayed shape, and the distribution directions of the two torsion spring pins are crossed with the distribution directions of the two down lamp mounting structures.

6. The LED down lamp according to claim 5, wherein the torsion spring connection structure comprises a connection seat, a connection seat fixing bolt and a torsion spring fixing bolt, the torsion spring fixing bolt penetrates through the torsion spring body and then is in threaded connection with the connection seat to fix the torsion spring and the torsion spring connection seat together, and the connection seat fixing bolt fixes the connection seat and the lamp cup together.

7. An LED down lamp according to claim 6, wherein the lamp cup is provided with a lamp cup portion connecting seat fixing bolt through hole, the connecting seat is provided with a connecting seat fixing bolt connecting hole, and a connecting seat fixing bolt passes through the lamp cup portion connecting seat fixing bolt through hole and then is screwed in the connecting seat fixing bolt connecting hole to fix the fixing seat and the lamp cup together.