CN209130644U

CN209130644U - A kind of LED downlight

Info

Publication number: CN209130644U
Application number: CN201920046341.0U
Authority: CN
Inventors: 严秀春
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-07-19
Anticipated expiration: 2029-01-11

Abstract

The utility model provides a kind of LED downlight, belongs to technical field of lamps.It solves the problems, such as that easy be slightly detached from from fixing seat of LED light source leads to LED light source poor contact in existing LED downlight.This LED downlight, LED light inner seat including tubular lamp holder and electrical connection corresponding with lamp holder, clamp button of the spring is arranged at intervals on the outer wall of lamp holder, LED light inner seat further includes tubular pedestal and the lampshade that is connected on pedestal, external screw thread is provided on the outer wall of pedestal, internal screw thread is provided on the inner wall of lamp holder, internal screw thread is provided on the inner wall of lamp holder, pedestal is connected on the internal screw thread of lamp holder by the detachable spiral of external screw thread, and the clamping apparatus for preventing pedestal from loosening on lamp holder is additionally provided between lamp holder and pedestal.The utility model structure is simple, LED light inner seat is threadedly attached on lamp holder to loosen.

Description

A kind of LED downlight

Technical field

The utility model belongs to technical field of lamps, is related to a kind of LED downlight.

Background technique

Downlight refers to a kind of hidden setting property lamps and lanterns inside ceiling, the light source of traditional downlight be generally incandescent lamp or Energy-saving lamp.But the brightness of incandescent lamp or energy-saving lamp is bright not enough, so LED light source downlight had obtained quickly in recent years Development.LED light source downlight currently on the market, since LED light source needs to radiate when luminous, so in the lamp housing of LED light source It is integrally assembled with the lamp holder of mounted LED lamp bulb, if LED lamp bead damage is changed together it is necessary to related lamp housing, waste is big, cost It is high.

For above-mentioned this case, occurs a kind of Split type LED tube lamp on existing market, such as the Chinese patent patent No. Are as follows: a kind of " 201120268591.2 " Split type LED tube lamp, specific structure include fixed frame, fixing seat, LED light source and anti- Cover is penetrated, fixing seat is spirally connected with fixed frame, and reflector is arranged in fixed frame, and there are two conductive columns for the lower surface setting of LED light source, Gu There are two card slot, LED light source screws the corresponding two conductive columns setting of reservation with fixing seat.

In such a configuration, which screws with fixing seat, for a long time in use, due to LED light source and fixation Seat will lead to the easy loosening of the rwo connection to screw connection, and LED light source, which is easy slightly to be detached from from fixing seat, leads to LED light source Poor contact, service life is short, is placed in reflector there are also the LED light source and the LED light source is screwed in inconvenience with fixing seat Connection, assembly efficiency are lower.

Summary of the invention

The purpose of this utility model is that it is simple, square to provide a kind of structure for the above-mentioned problems in the prior art Just LED light inner seat is installed in lamp holder, and LED light inner seat can be prevented loosening in lamp holder and LED downlight with long service life.

The purpose of this utility model can be realized by the following technical scheme: a kind of LED downlight, including tubular lamp holder The LED light inner seat of corresponding electrical connection with lamp holder is arranged at intervals with clamp button of the spring on the outer wall of the lamp holder, and feature exists It is set on the lampshade that, the LED light inner seat further includes tubular pedestal and is connected on pedestal, the outer wall of the pedestal It is equipped with external screw thread, internal screw thread is provided on the inner wall of the lamp holder, internal screw thread is provided on the inner wall of the lamp holder, it is described Pedestal be connected to by the detachable spiral of external screw thread on the internal screw thread of the lamp holder, also set between the lamp holder and pedestal It is equipped with the clamping apparatus for preventing pedestal from loosening on lamp holder.

Mainly clamping apparatus is arranged between the pedestal and lamp holder of LED light inner seat in this LED downlight, can be prevented by clamping apparatus Only pedestal is connected to connect on the internal screw thread of the lamp holder by the detachable spiral of external screw thread and be loosened.

In a kind of above-mentioned LED downlight, the clamping apparatus includes the bushing being installed in pedestal, the pedestal Upper circumferential direction is intervally distributed with the mounting hole being arranged radially, and steel ball and resilient abutment are provided in the mounting hole on steel ball Compressed spring, the other end resilient abutment of the compressed spring is on the outer wall of the bushing, the inner wall of the lamp holder On be provided with the card slot being correspondingly connected with the steel ball, when pedestal is connected on the internal screw thread of lamp holder by external screw thread spiral And the steel ball is connected in the card slot by the effect partial of compressed spring, is additionally provided between the steel ball and bushing Steel ball is prevented to be detached from the position limiting structure of mounting hole.The purpose being arranged in this way is that connect pedestal with lamp holder more stable, can be prevented Pedestal loosens in lamp holder.

In a kind of above-mentioned LED downlight, the position limiting structure includes the caging bolt with head, the bushing Upper radial direction offers through hole, threaded hole is arranged radially on the steel ball and the threaded hole and the through hole axial direction phase Right, the caging bolt is connected in the threaded hole on steel ball across through hole spiral and the head of the caging bolt is connected in On the inner wall of bushing.The purpose being arranged in this way is the convenient axial limiting to steel ball in mounting hole, prevents steel ball in compression bullet Mounting hole is detached under the action of spring.

In a kind of above-mentioned LED downlight, the caging bolt is arranged in the compressed spring.It is arranged in this way Purpose is to prevent compressed spring radial-play in mounting hole.

In a kind of above-mentioned LED downlight, the lampshade include tubular interconnecting piece and with interconnecting piece integral type knot The round panel of structure, rounded LED circuit board is installed on the pedestal, and the edge of the LED circuit board is radial It is provided with protrusion, link slot is set on the inner wall of the interconnecting piece, the lampshade is convex by link slot and LED circuit board It rises and connects and fixes, it is also circumferentially-spaced on the outer wall of the round panel that axially projecting plectrum is distributed with.The mesh being arranged in this way Be facilitate pedestal on lamp holder spiral connect, stir plectrum i.e. turnable base.

In a kind of above-mentioned LED downlight, tubular reflector is additionally provided on the lamp holder, the lamp holder Edge is provided with bayonet, and the bottom of the reflector is provided with grafting leg, and the reflector is detachable by grafting leg It is connected in the bayonet of the lamp holder, the clamp button of the spring is connected on the connecting pin of the grafting leg.It is arranged in this way Purpose be to be convenient for changing different reflectors, actually manufacture when, the edge of the reflector is additionally provided with flange.

In a kind of above-mentioned LED downlight, the cross section of the round panel of the lampshade is arc-shaped curved from inside to outside Song, the lampshade is in the reflector and the outer wall of the interconnecting piece of the lampshade and inner wall of reflector is neighbouring and not phase Contact, the edge of the round panel of the lampshade and the inner wall abutting contact of reflector.The purpose being arranged in this way is to make lampshade It is easy to assembly with reflector.

Compared with prior art, the advantages of this LED downlight are as follows: it is reasonable in design, simple, the lampshade of LED light inner seat Plectrum is set on round panel, and stirring plectrum can be connected to LED light inner seat rapid spiral in lamp holder, the LED light inner seat and lamp Seat is easy to assembly, clamping apparatus is additionally provided between lamp holder and the pedestal of LED light inner seat, and can prevent two by the clamping apparatus Person, which is threadedly coupled, to be loosened, long service life.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of this LED downlight.

In figure, 1, lamp holder；2, clamp button of the spring；3, pedestal；4, external screw thread；5, internal screw thread；6, bushing；7, steel ball；8, it compresses Spring；9, head；10, caging bolt；11, interconnecting piece；12, round panel；13, LED circuit board；14, raised；15, plectrum； 16, reflector；17, grafting leg.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1, this LED downlight is mainly by the LED light inner seat of tubular lamp holder 1 and electrical connection corresponding with lamp holder 1 It forms, clamp button of the spring 2 is arranged at intervals on the outer wall of lamp holder 1, LED light inner seat further includes tubular pedestal 3 and is connected in bottom Lampshade on seat 3 is provided with external screw thread 4 on the outer wall of pedestal 3, internal screw thread 5, the inner wall of lamp holder 1 is provided on the inner wall of lamp holder 1 On be provided with internal screw thread 5, pedestal 3 is connected on the internal screw thread 5 of the lamp holder 1 by the detachable spiral of external screw thread 4, lamp holder 1 The clamping apparatus for preventing pedestal 3 from loosening on lamp holder 1 is additionally provided between pedestal 3.

In actually manufacture, the specific embodiment of the clamping apparatus are as follows: mainly by be installed in pedestal 36 groups of bushing At being circumferentially intervally distributed with the mounting hole being arranged radially on pedestal 3, steel ball 7 and resilient abutment be provided in mounting hole in steel ball 7 On compressed spring 8, the other end resilient abutment of compressed spring 8 sets on the inner wall of lamp holder 1 on the outer wall of the bushing 6 It is equipped with the card slot being correspondingly connected with steel ball 7, and it should when pedestal 3 is connected on the internal screw thread 5 of lamp holder 1 by 4 spiral of external screw thread Steel ball 7 is connected in the card slot by the effect partial of compressed spring 8, and being additionally provided between steel ball 7 and bushing 6 prevents steel The position limiting structure of the disengaging mounting hole of pearl 7.

In actually manufacture, the specific embodiment of the position limiting structure are as follows: mainly by 10 groups of caging bolt with head 9 At radially offering through hole on bushing 6, threaded hole and the threaded hole be arranged radially on steel ball 7 and described through hole axle To opposite, caging bolt 10 passes through that through hole spiral is connected in the threaded hole on steel ball 7 and the head 9 of the caging bolt 10 is blocked It is connected on the inner wall of bushing 6；Caging bolt 10 is arranged in compressed spring 8.

In practical application, the specific structure of the lampshade are as follows: mainly by tubular interconnecting piece 11 and with interconnecting piece 11 1 The round panel 12 of body formula structure forms, and is installed with rounded LED circuit board 13, the edge of LED circuit board 13 on pedestal 3 Place has been arranged radially protrusion 14, is arranged link slot on the inner wall of interconnecting piece 11, and lampshade is convex by link slot and LED circuit board 13 14 are played to connect and fix, it is also circumferentially-spaced on the outer wall of round panel 12 that axially projecting plectrum 15 is distributed with.

In practical application, being additionally provided with tubular reflector 16 on the lamp holder 1, the edge of lamp holder 1 is provided with card Mouthful, the bottom of reflector 16 is provided with grafting leg 17, and reflector 16 is detachably connected on the lamp holder 1 by grafting leg 17 In bayonet, which is connected on the connecting pin of grafting leg 17；The cross section of the round panel 12 of lampshade is from inside to outside It is convexly curved, lampshade is in the reflector 16 and the inner wall of the outer wall of the interconnecting piece 11 of the lampshade and reflector 16 is adjacent Closely and it is not in contact, the edge of the round panel 12 of lampshade and the inner wall abutting contact of reflector 16.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although lamp holder 1 is used more herein；Clamp button of the spring 2；Pedestal 3；External screw thread 4；Internal screw thread 5；Bushing 6；Steel ball 7；Compressed spring 8；Head 9；Caging bolt 10；Interconnecting piece 11；Round panel 12；LED circuit board 13；Protrusion 14；Plectrum 15；Instead Penetrate cover 16；The terms such as grafting leg 17, but it does not exclude the possibility of using other terms.The use of these items is only for more Easily describe and explain the essence of the utility model；It is practical new with this for being construed as any additional limitation all Type spirit is disagreed.

Claims

1. a kind of LED downlight, the LED light inner seat including tubular lamp holder (1) and electrical connection corresponding with lamp holder (1) is described Clamp button of the spring (2) are arranged at intervals on the outer wall of lamp holder (1), which is characterized in that the LED light inner seat further includes tubular Pedestal (3) and the lampshade being connected on pedestal (3) are provided with external screw thread (4), the lamp on the outer wall of the pedestal (3) It is provided with internal screw thread (5) on the inner wall of seat (1), internal screw thread (5), the pedestal is provided on the inner wall of the lamp holder (1) (3) it is connected on the internal screw thread (5) of the lamp holder (1) by the detachable spiral of external screw thread (4), the lamp holder (1) and bottom The clamping apparatus for preventing pedestal (3) from loosening on lamp holder (1) is additionally provided between seat (3).

2. a kind of LED downlight according to claim 1, which is characterized in that the clamping apparatus includes being installed in pedestal (3) bushing (6) in is circumferentially intervally distributed with the mounting hole being arranged radially on the pedestal (3), sets in the mounting hole It is equipped with the compressed spring (8) of steel ball (7) and resilient abutment on steel ball (7), the other end elasticity of the compressed spring (8) is supported On the outer wall for leaning against the bushing (6), it is provided on the inner wall of the lamp holder (1) and is correspondingly connected with the steel ball (7) Card slot, when pedestal (3) is connected on the internal screw thread (5) of lamp holder (1) by external screw thread (4) spiral and the steel ball (7) passes through The effect partial of compressed spring (8) is connected in the card slot, is additionally provided between the steel ball (7) and bushing (6) anti- Only steel ball (7) is detached from the position limiting structure of mounting hole.

3. a kind of LED downlight according to claim 2, which is characterized in that the position limiting structure includes having head (9) Caging bolt (10), radially offer through hole on the bushing (6), the steel ball has been arranged radially screw thread on (7) The hole and threaded hole and the through hole are axially opposing, the caging bolt (10) pass through through hole spiral and are connected to steel ball (7) in the threaded hole on the and head (9) of the caging bolt (10) is connected on the inner wall of bushing (6).

4. a kind of LED downlight according to claim 3, which is characterized in that the caging bolt (10) is arranged in described Compressed spring (8) in.

5. a kind of LED downlight according to Claims 2 or 3 or 4, which is characterized in that the lampshade includes tubular Interconnecting piece (11) and round panel (12) with interconnecting piece (11) integral structure are installed on the pedestal (3) rounded LED circuit board (13), the edge of the LED circuit board (13) has been arranged radially raised (14), the interconnecting piece (11) link slot is set on inner wall, the lampshade is connected and fixed by link slot and the protrusion (14) of LED circuit board (13), It is also circumferentially-spaced on the outer wall of the round panel (12) that axially projecting plectrum (15) are distributed with.

6. a kind of LED downlight according to claim 5, which is characterized in that be additionally provided with and be cylindrical in shape on the lamp holder (1) Reflector (16), the edge of the lamp holder (1) is provided with bayonet, and the bottom of the reflector (16) is provided with grafting Leg (17), the reflector (16) is detachably connected in the bayonet of the lamp holder (1) by grafting leg (17), described Clamp button of the spring (2) is connected on the connecting pin of the grafting leg (17).

7. a kind of LED downlight according to claim 6, which is characterized in that the cross of the round panel (12) of the lampshade Section is to be convexly curved from inside to outside, and the lampshade is in the reflector (16) and the interconnecting piece (11) of the lampshade Outer wall it is neighbouring with the inner wall of reflector (16) and be not in contact, the edge and reflector of the round panel (12) of the lampshade (16) inner wall abutting contact.