CN217386601U

CN217386601U - Fixing device of LED display screen lamp plate and face lid

Info

Publication number: CN217386601U
Application number: CN202220490857.6U
Authority: CN
Inventors: 黄志晴; 周聪勇
Original assignee: Shenzhen Liancan Technology Co ltd
Current assignee: Shenzhen Liancan Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-06
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a LED display screen technical field specifically is a fixing device of LED display screen lamp plate and face lid, including drain pan, PCB lamp plate body and face guard, the bottom of drain pan inner wall is equipped with the spliced pole that a plurality of is used for connecting the PCB lamp plate body, and the upper surface of PCB lamp plate body is equipped with four groups and is the copper post that the rectangle was arranged, and the upper surface of PCB lamp plate body is connected with the face guard. This fixing device of LED display screen lamp plate and face lid, adopt the braid copper post to cross the stove at high temperature in the SMT machine, the welding is on PCB lamp plate body, be provided with the through-hole with braid copper post one-to-one on the face guard, the screw passes the through-hole and fixes the face guard on the braid copper post of PCB lamp plate body, thereby replaced the spliced pole that is used for connecting the face guard on the traditional drain pan, effectively reduce the quantity of spliced pole on the drain pan, the requirement to drain pan production mould reduces, make drain pan mould flexibility stronger, reduce drain pan manufacturing cost's input.

Description

Fixing device of LED display screen lamp plate and face lid

Technical Field

The utility model relates to a LED display screen technical field specifically is a fixing device of LED display screen lamp plate and face lid.

Background

The LED display screen is a flat panel display, integrates micro-electronic technology, computer technology and information processing, has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like, is widely applied to commercial media, information transmission, news distribution, stock exchange and the like, contains an LED module, and is constructed by a bottom shell, a face mask and a PCB lamp panel, wherein the PCB lamp panel and the face mask are fixed on the corresponding bottom shell, the mode has high requirement on various universal intervals of the bottom shell, the number of the posts correspondingly connected with the face mask is large, the universal flexibility is low, in addition, the bottom shell of each dot interval needs to be redesigned, opened, verified, prepared and the like, so that the design cost and the inventory management cost are greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device of LED display screen lamp plate and face lid, with PCB lamp plate and face guard that propose among the conventional LED module in solving above-mentioned background art all fix on corresponding drain pan, this kind of mode is high to the general various interval's of drain pan requirement, the post of corresponding connection face guard is in large quantity, it is low to lead to general flexibility, and the drain pan of every point interval needs redesign, the die sinking, verify and prepare material etc. cause the problem that design cost, inventory management cost rise by a wide margin.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fixing device of LED display screen lamp plate and face lid, includes drain pan, PCB lamp plate body and face guard be equipped with a plurality of's copper post on the PCB lamp plate body, set up on the face guard with the through-hole of copper post one-to-one, the diameter and the copper post external diameter looks adaptation of through-hole, the screw passes through the through-hole and fixes the face guard on the copper post.

Preferably, the bottom of drain pan inner wall is equipped with a plurality of and is used for connecting the spliced pole of PCB lamp plate body, offer on the PCB lamp plate body with a plurality of the connecting hole of spliced pole position one-to-one, the screw passes through the connecting hole and fixes the lamp plate body on the drain pan.

Preferably, a plurality of LED lamp bead avoiding holes which are distributed at equal intervals are formed in the face shield.

Preferably, a first arrow mark is arranged at the bottom of the inner wall of the bottom shell and at a position close to the middle of the rear side edge.

Preferably, the upper surface of PCB lamp plate body and the position that is close to the edge middle part of rear side are equipped with second arrow mark.

Compared with the prior art, the beneficial effects of the utility model are that:

this fixing device of LED display screen lamp plate and face lid, adopt the braid copper post to cross the stove at high temperature in the SMT machine, the welding is at the upper surface of PCB lamp plate body, so that the face guard can be directly fixed with PCB lamp plate body, thereby replaced the spliced pole that is used for connecting the face guard on the traditional drain pan, the quantity of spliced pole on the drain pan is effectively reduced, requirement to drain pan production mould reduces, it is stronger to make drain pan mould flexibility, reduce drain pan manufacturing cost's input, and this connected mode can improve the convertibility of face guard and PCB lamp plate body, be favorable to the different face guard of user's change, and then improve the general flexibility of face guard and PCB lamp plate body.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall exploded structure of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

Fig. 5 is a schematic bottom structure diagram of the face mask 3 of the present invention.

Fig. 6 is an enlarged schematic view of the structure at C in fig. 5 according to the present invention.

In the figure: drain pan 1, spliced pole 10, first arrow mark 11, PCB lamp plate body 2, connecting hole 20, copper post 21, second arrow mark 22, face guard 3, LED lamp pearl dodge hole 30, through-hole 31.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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.

Referring to fig. 1-6, the present invention provides a technical solution:

a fixing device for a lamp panel and a face cover of an LED display screen comprises a bottom shell 1, a PCB lamp panel body 2 and a face mask 3, wherein the bottom of the inner wall of the bottom shell 1 is provided with a plurality of connecting posts 10 for connecting the PCB lamp panel body 2, only the connecting posts 10 for connecting the PCB lamp panel body 2 are arranged on the bottom shell 1, and the connecting posts 10 for connecting the face mask 3 are not arranged any more, so that the number of the connecting posts 10 on the bottom shell 1 is effectively reduced, the requirement on a production mold of the bottom shell 1 is reduced, the mold of the bottom shell 1 has stronger flexibility, the production cost of the bottom shell 1 is reduced, four groups of copper posts 21 which are arranged in a rectangular shape are arranged on the upper surface of the PCB lamp panel body 2, each group consists of a plurality of copper posts 21 which are arranged in a matrix shape, the braided copper posts 21 are adopted to pass through a furnace at high temperature in an SMT machine and are welded on the upper surface of the PCB lamp panel body 2, so that the copper posts 21 can be quickly installed on the PCB lamp panel body 2, the yield of braid copper post 21 is high, and the low price replaces the spliced pole 10 that is used for connecting face guard 3 on traditional drain pan 1, can effectively reduce the manufacturing cost of drain pan 1, and the upper surface of PCB lamp plate body 2 is connected with face guard 3, and the LED lamp pearl that a plurality of equidistant was arranged is seted up to the upper surface of face guard 3 dodges hole 30, supplies the LED lamp pearl on the PCB lamp plate body 2 to pass the use.

In this embodiment, the connecting hole 20 corresponding with a plurality of spliced pole 10 position is seted up to the upper surface of PCB lamp plate body 2, supplies the bolt to pass the use, through screw thread and spliced pole 10 threaded connection, fixes PCB lamp plate body 2 on drain pan 1.

Specifically, the mask 3 is provided with through holes 31 corresponding to the copper columns 21 one by one, the diameter of each through hole 31 is matched with the outer diameter of each copper column 21, and the mask 3 is fixed on the copper columns 21 through the through holes 31 by screws.

Further, the bottom of drain pan 1 inner wall and the position that is close to the rear edge middle part are equipped with first arrow mark 11, and the upper surface of PCB lamp plate body 2 and the position that is close to the rear edge middle part are equipped with second arrow mark 22, and when installation PCB lamp plate body 2, make second arrow mark 22 the same with first arrow mark 11's orientation to convenient to use person fixes a position the mounted position of PCB lamp plate body 2 fast.

The fixing device of the LED display screen lamp plate and face lid of this embodiment is when using, the user uses the bolt to pass connecting hole 20 and with spliced pole 10 threaded connection, in proper order with a plurality of bolt and corresponding 10 threaded connection backs of a plurality of spliced pole, PCB lamp plate body 2 just can be fixed with drain pan 1, then the user installs face guard 3 at the upper surface of PCB lamp plate body 2, at this moment, a plurality of copper post 21 of 2 upper surfaces of PCB lamp plate body can get into in the corresponding through-hole 31 on the face guard 3, and can not surpass the through-hole upper surface, the screw passes through-hole 31 and fixes face guard 3 on PCB lamp plate body 2, and then accomplish the connection of this LED module.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fixing device of LED display screen lamp plate and face lid, includes drain pan (1), PCB lamp plate body (2) and face guard (3), its characterized in that: be equipped with copper post (21) of a plurality of on PCB lamp plate body (2), seted up on face guard (3) with through-hole (31) of copper post (21) one-to-one, the diameter and copper post (21) external diameter looks adaptation of through-hole (31), the screw passes through-hole (31) and fixes face guard (3) on copper post (21).

2. The fixing device of LED display screen lamp plate and face lid of claim 1, characterized in that: the bottom of drain pan (1) inner wall is equipped with a plurality of and is used for connecting spliced pole (10) of PCB lamp plate body (2), seted up on PCB lamp plate body (2) a plurality of with connecting hole (20) of spliced pole (10) position one-to-one, the screw passes through connecting hole (20) and fixes lamp plate body (2) on drain pan (1).

3. The fixing device of LED display screen lamp plate and face lid of claim 2, characterized in that: a plurality of LED lamp bead avoiding holes (30) which are distributed at equal intervals are formed in the face mask (3).

4. The fixing device of LED display screen lamp plate and face lid of claim 1, characterized in that: and a first arrow mark (11) is arranged at the bottom of the inner wall of the bottom shell (1) and close to the middle part of the rear side edge.

5. The fixing device of LED display screen lamp plate and face lid of claim 1, characterized in that: the upper surface of PCB lamp plate body (2) and the position that is close to rear side edge middle part are equipped with second arrow mark (22).