CN210109521U

CN210109521U - Lamp accessory for PCB light source board

Info

Publication number: CN210109521U
Application number: CN201921034527.0U
Authority: CN
Inventors: 缪凤玲
Original assignee: TIANCHANG TIANTAI OPTOELECTRONIC TECHNOLOGY Co Ltd
Current assignee: TIANCHANG TIANTAI OPTOELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-02-21
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to a lamps and lanterns accessory field specifically discloses a lamps and lanterns accessory for PCB light source board, to the lamps and lanterns accessory on the current PCB light source board and make things convenient for the dismouting, can not carry out the problem of adjusting the angle of lamps and lanterns accessory in addition, the scheme is now provided as follows, it includes the light source board, on the back of light source board, the lower extreme all is fixed with the diaphragm, two the spacing hole that a plurality of edges hoop set up is seted up to the symmetry on the diaphragm, two the one end that the diaphragm was kept away from mutually all is provided with the movable block, two one side that the movable block is close to mutually all is fixed with the guide bar, two the one end that the guide bar is close to mutually all runs through the diaphragm and is fixed with the dog, two the one end that the dog is close. The utility model relates to an ingenious, compact structure, easy operation conveniently carries out the dismouting to the lamps and lanterns accessory, can adjust the angle of lamps and lanterns accessory, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

Description

Lamp accessory for PCB light source board

Technical Field

The utility model relates to a lamps and lanterns accessory technical field especially relates to a lamps and lanterns accessory for PCB light source board.

Background

The backlight plate is a light source device for ensuring the brightness of the back of the liquid crystal display screen. Since the liquid crystal display device itself is transparent and does not emit light, a backlight plate is required for assistance. The brightness, uniformity and other indexes of the backlight plate have direct influence on the relevant performance of the liquid crystal display screen. However, the lamp fittings on the existing PCB light source board are not convenient to disassemble and assemble, have poor flexibility, and can not adjust the angle of the lamp fittings, so that the lamp fittings for the PCB light source board need to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of lamps and lanterns accessory for PCB light source board has solved the inconvenient dismouting of lamps and lanterns accessory on the current PCB light source board, and the flexibility is poor, can not carry out the problem adjusted to the angle of lamps and lanterns accessory moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the lamp fitting for the PCB light source plate comprises the light source plate, transverse plates are fixed to the upper end and the lower end of the back face of the light source plate, a plurality of limiting holes are symmetrically formed in the transverse plates and are arranged along the circumferential direction, moving blocks are arranged at the ends, far away from the transverse plates, of the transverse plates, guide rods are fixed to the sides, close to the moving blocks, of the transverse plates, the ends, close to the guide rods penetrate through the transverse plates and are fixed with stop blocks, mounting rods are fixed to the ends, close to the stop blocks, of the transverse plates, a plurality of reset springs sleeved on the guide rods are arranged between the two transverse plates, fixing blocks are arranged between the two transverse plates, mounting grooves are formed in the upper end and the lower end of each fixing block, the two mounting rods extend into the two mounting grooves respectively, a lamp holder is fixed to the left end of each fixing block, a, The regulation chamber has all been seted up to the lower extreme, two the one end that the regulation chamber is close to mutually all is fixed with connecting spring, and connecting spring's one end all is fixed with the sliding seat, and the one end that connecting spring was kept away from to the sliding seat all is fixed with the gag lever post, two the gag lever post extends to two respectively the inside in spacing hole.

Preferably, guide holes are formed in the two transverse plates, the two guide rods are respectively connected with the inner walls of the two guide holes in a sliding mode, the size of the moving block is larger than that of the guide holes, and the limiting holes are formed in the annular mode by taking the circle centers of the guide holes as centers.

Preferably, the upper end and the lower end of the return spring are respectively fixedly connected with the transverse plate and the stop block, and the size of the stop block is larger than that of the mounting groove.

Preferably, a lamp cap and a lampshade are fixed at the left end of the lamp holder, and the lamp cap is located inside the lampshade.

Preferably, the upper end and the lower end of the connecting plate are provided with through holes, the size of the movable seat is larger than that of the through holes, and the two limiting rods are respectively connected with the inner walls of the two through holes in a sliding manner.

The utility model has the advantages that:

1. the movable block is loosened by pulling, the guide rod drives the stop block to move up and down under the elastic action of the reset spring, and due to the limiting action of the installation rod and the installation groove, the lamp fittings are convenient to disassemble and assemble;

2. through the pressure pine gag lever post, under coupling spring's elastic action, the sliding seat reciprocates, because all seted up a plurality of spacing holes along the hoop on the diaphragm, through the swing connecting plate, can adjust the angle of lamps and lanterns accessory.

The utility model relates to an ingenious, compact structure, easy operation conveniently carries out the dismouting to the lamps and lanterns accessory, can adjust the angle of lamps and lanterns accessory, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

Drawings

Fig. 1 is a side view of the utility model provides a lamp fitting for PCB light source board.

Fig. 2 is the utility model provides a top view of PCB is lamps and lanterns accessory for light source board.

In the figure: the lamp holder comprises a light source plate 1, a transverse plate 2, a limiting hole 3, a moving block 4, a guide rod 5, a stop block 6, an installation rod 7, a return spring 8, a fixed block 9, an installation groove 10, a lamp holder 11, a lamp holder 12, a lampshade 13, a connecting plate 14, an adjusting cavity 15, a connecting spring 16, a movable seat 17 and a limiting rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a lamp fitting for a PCB light source board comprises a light source board 1, wherein transverse boards 2 are fixed on the upper and lower ends of the back surface of the light source board 1, a plurality of limiting holes 3 are symmetrically formed on the two transverse boards 2, moving blocks 4 are arranged on the ends of the two transverse boards 2 away from each other, guide rods 5 are fixed on the sides of the two moving blocks 4 close to each other, the ends of the two guide rods 5 close to each other penetrate through the transverse boards 2 and are fixed with stop blocks 6, mounting rods 7 are fixed on the ends of the two stop blocks 6 close to each other, a plurality of return springs 8 sleeved on the guide rods 5 are arranged between the two transverse boards 2, a fixing block 9 is arranged between the two transverse boards 2, mounting grooves 10 are formed on the upper and lower ends of the fixing block 9, the two mounting rods 7 respectively extend into the two mounting grooves 10, a lamp holder 11 is fixed on the left end of the fixing block, adjusting cavities 15 have all been seted up to the upper and lower end of connecting plate 14, and two one ends that adjusting cavities 15 are close to mutually all are fixed with connecting spring 16, and connecting spring 16's one end all is fixed with sliding seat 17, and connecting spring 16's one end all is fixed with gag lever post 18 is kept away from to sliding seat 17, and two gag lever posts 18 extend to the inside of two spacing holes 3 respectively.

In this embodiment, the guiding hole has all been seted up on two diaphragm 2, two guide bars 5 respectively with the inner wall sliding connection of two guiding holes, the size of movable block 4 is greater than the size of guiding hole, and spacing hole 3 is with the centre of a circle of guiding hole to set up as central hoop, reset spring 8 is last, the lower extreme respectively with diaphragm 2, dog 6 fixed connection, the size of dog 6 all is greater than the size of mounting groove 10, the left end of lamp stand 11 is fixed with lamp holder 12 and lamp shade 13, lamp holder 12 is located the inside of lamp shade 13, on connecting plate 14, the through-hole has all been seted up to the lower extreme, the size of movable seat 17 all is greater than the size of through-hole, two gag lever posts 18 respectively with the inner wall sliding connection of two.

In this embodiment, the fixing manner between the members is one of screw fixing and welding fixing. The utility model relates to an ingenious, compact structure, easy operation conveniently carries out the dismouting to the lamps and lanterns accessory, can adjust the angle of lamps and lanterns accessory, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

The working principle is as follows: in the utility model, when in use, an operator manually presses the limiting rods 18 to ensure that the movable seat 17 of the limiting rods 18 is far away from the limiting holes 3, the connecting springs 16 are in a compressed state at the moment, when the two limiting rods 18 are separated from the limiting holes 3, the angle of the lamp holder 11 can be adjusted by swinging the connecting plate 14, because the limiting rods 3 are all arranged along the circular direction by taking the circle center of the guide hole on the transverse plate 2 as the center, when the positions of the two limiting rods 18 correspond to the positions of the limiting holes 3, the movable seat 7 drives the two limiting rods 18 to be respectively clamped into the two limiting holes 3 under the elastic action of the connecting spring 16, so as to fix the positions of the connecting plate 14, when the two limiting rods 18 are separated from the limiting holes 3, the guide rod 5 drives the stop block 6 to be far away from the fixed block 9 by pulling the movable block 4, and the reset spring 8 is in a compressed state at the moment, when two installation poles 7 all separate with mounting groove 10, through pulling connecting plate 14, conveniently take off fixed block 9 and lamp stand 11, promote connecting plate 14 again and drive lamp stand 11 and be close to light source board 1, when the position of two installation poles 7 corresponds with the position of two mounting grooves 10 respectively, loosen two movable blocks 4, under reset spring 8's elastic action, make dog 6 drive two installation poles 7 and block the inside of advancing two mounting grooves 10 respectively, then swing connecting plate 14, when the position of two gag lever posts 18 corresponds with the position of two spacing holes 3 respectively, make movable seat 17 drive the inside that two gag lever posts 18 blocked into two spacing holes 3, and then reach the purpose that conveniently carries out the dismouting to the lamps and lanterns accessory.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lamp fitting for the PCB light source plate comprises a light source plate (1) and is characterized in that transverse plates (2) are fixed to the upper end and the lower end of the back face of the light source plate (1), a plurality of limiting holes (3) arranged along the circumferential direction are symmetrically formed in the transverse plates (2), two movable blocks (4) are arranged at the ends, far away from the transverse plates (2), of the transverse plates (4), guide rods (5) are fixed to one sides, close to the movable blocks (4), of the transverse plates, one ends, close to the guide rods (5), of the guide rods (5) penetrate through the transverse plates (2) and are fixed with stop blocks (6), mounting rods (7) are fixed to the ends, close to the stop blocks (6), of the transverse plates (2), a plurality of reset springs (8) sleeved on the guide rods (5) are arranged between the transverse plates (2), a fixing block (9) is arranged between the transverse plates (2), and, Mounting groove (10) have all been seted up to the lower extreme, two installation pole (7) extend to two respectively the inside of mounting groove (10), the left end of fixed block (9) is fixed with lamp stand (11), and the right-hand member of fixed block (9) is fixed with connecting plate (14), and regulation chamber (15), two have all been seted up to the upper and lower extreme of connecting plate (14) one end that regulation chamber (15) are close to mutually all is fixed with coupling spring (16), and the one end of coupling spring (16) all is fixed with movable seat (17), and the one end that coupling spring (16) were kept away from in movable seat (17) all is fixed with gag lever post (18), two gag lever post (18) extend to two respectively the inside of spacing hole (3).

2. The lamp fitting for the PCB light source board as claimed in claim 1, wherein the two transverse boards (2) are respectively provided with a guide hole, the two guide rods (5) are respectively connected with the inner walls of the two guide holes in a sliding manner, the size of the moving block (4) is larger than that of the guide holes, and the limiting hole (3) is annularly arranged by taking the center of the guide hole as the center.

3. The lamp fitting for the PCB light source board as claimed in claim 1, wherein the upper end and the lower end of the return spring (8) are respectively and fixedly connected with the transverse plate (2) and the stop block (6), and the size of the stop block (6) is larger than that of the mounting groove (10).

4. A light fitting for a PCB light source board as claimed in claim 1, characterized in that the left end of the lamp holder (11) is fixed with a lamp head (12) and a lampshade (13), the lamp head (12) is located inside the lampshade (13).

5. The lamp fitting for the PCB light source board as claimed in claim 1, wherein the upper end and the lower end of the connecting board (14) are both provided with through holes, the size of the movable seat (17) is larger than that of the through holes, and the two limiting rods (18) are respectively connected with the inner walls of the two through holes in a sliding manner.