CN213400396U

CN213400396U - Dustproof industrial control display module

Info

Publication number: CN213400396U
Application number: CN202022741297.0U
Authority: CN
Inventors: 许志强
Original assignee: Zhangzhou Yile Electronic Technology Co ltd
Current assignee: Zhangzhou Yile Electronic Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-08
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a dirt-proof industry control display module, including last metal frame, LCD, metal frame and display module body down, go up tip and dust guard fixed connection under the metal frame, and the inside dust guard of having seted up of dust guard, go up the inside bonding of metal frame simultaneously and have dustproof the pad to the display hole has been seted up at the middle part in the last metal frame, the inside fixedly connected with of display hole is sealed to fill up, LCD sets up inside last metal frame, and LCD tip and closing plate fixed connection, the mounting groove has been seted up to metal frame inside down, and has seted up the dust-proof groove on the metal frame down, and the spiro union hole and mounting hole have been seted up respectively at the both ends in dust-proof groove simultaneously. The sealing gasket of the dustproof industrial control display module is made of rubber, so that a gap between the liquid crystal display and the display hole can be filled, and dust is prevented from entering the display module body through a gap between the liquid crystal display and the display hole.

Description

Dustproof industrial control display module

Technical Field

The utility model relates to an industry control LCD module equipment field specifically is a dirt-proof industry control display module.

Background

At present, more and more industrial control equipment does not use the prior LED sectional instrument interface any more, but uses various TN/HTN/STN/FSTN type black-white monochromatic liquid crystal display modules or TFT color liquid crystal display modules as a human-computer interface; because the environment of the industrial control liquid crystal display module is generally dusty and has larger vibration, the industrial control module is of a stable structure, and the design of a metal frame is generally used, but a gap exists between the metal frame and an FPC (flexible printed circuit) connected with a client end of the module, and a gap also exists between the upper surface of the liquid crystal display and the metal frame; dust enters the surface of the module from the gap between the upper surface of the liquid crystal display and the metal frame and passes through the side surface or the gap between the metal frame and the FPC to enter the liquid crystal display; therefore, an industrial control module is affected by excessive dust entering the industrial control module soon and is finally disassembled for repair or scrapped.

In order to solve the above-mentioned drawbacks, the prior art discloses (application number: CN201420517857.6) a dustproof industrial control liquid crystal display module; the article proposes that after the dustproof foam and the dustproof insulating tape are adhered, the tiny gaps of the industrial control liquid crystal display module are blocked, and dust in the air can not enter the industrial control liquid crystal display, so that the dustproof protection effect is achieved on the industrial control liquid crystal display module; the dustproof foam and the dustproof insulating tape are stuck and fixed on the metal frame (2), so that the dustproof foam and the dustproof insulating tape are easy to fall off, and an improved space exists in the structure; therefore, a dustproof industrial display module is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dirt-proof industry control display module to solve the defect that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dirt-proof industrial control display module, includes metal frame, LCD, lower metal frame and display module body, go up tip and dust guard fixed connection under the metal frame, and the inside dust guard of having seted up of dust guard, go up the inside dustproof pad that bonds of metal frame simultaneously to the display hole has been seted up at the middle part in the last metal frame, and the inside fixedly connected with in display hole is sealed to fill up, LCD sets up inside last metal frame, and LCD tip and closing plate fixed connection, the mounting groove has been seted up to metal frame inside down, and has seted up the dust groove on the metal frame down, and the spiro union hole and mounting hole have been seted up respectively to the both ends in dust groove simultaneously.

Preferably, sealed annular fixed connection of filling up is on the inner wall that shows the hole, and the section of filling up fills up for right trapezoid sets up, has seted up the inclined plane on the sealing pad, and the inclination on inclined plane is 15.

Preferably, the end of the liquid crystal display is arranged inside the display hole, and a sealing gasket is arranged between the liquid crystal display and the inner wall of the display hole.

Preferably, the dustproof pad is composed of a transverse pad and a vertical pad, and the transverse pad and the vertical pad are combined together to form an L shape.

Preferably, the dust guard is annularly arranged at the bottom of the upper metal frame, the dust-proof groove in the lower metal frame is annularly arranged, and the dust guard is inserted in the dust-proof groove.

Preferably, the dust guard is fixedly connected inside the dust-proof groove through a fixing bolt, and the fixing bolt sequentially penetrates through the mounting hole and the opening to be in threaded connection inside the threaded connection hole.

Preferably, the display module body is composed of an upper metal frame and a lower metal frame, the sealing pad and the dustproof pad form a dustproof structure of the display module body, and the sealing pad and the dustproof pad are integrally formed at one time.

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

1. the sealing gasket is made of rubber, so that a gap between the liquid crystal display and the display hole can be filled, and dust is prevented from entering the display module body through a gap between the liquid crystal display and the display hole;

2. go up the dust guard grafting of metal crate through the bottom in the dust-proof groove that metal crate inside was seted up down, avoid external dust to carry on inside the display module body in the clearance between metal crate and the lower metal crate from last metal crate.

Drawings

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

fig. 2 is a bottom view of the metal frame of the present invention;

FIG. 3 is a bottom view of the metal frame of the present invention;

FIG. 4 is a top view of the LCD with the structure of the present invention;

fig. 5 is a schematic view of the assembly of the structure of fig. 1 of the present invention.

Reference numbers in the figures: 1. an upper metal frame; 2. a transverse pad; 3. a gasket; 4. an inclined surface; 5. a liquid crystal display; 6. a display aperture; 7. a sealing plate; 8. a dust-proof pad; 9. a dust-proof plate; 10. opening a hole; 11. fixing the bolt; 12. mounting grooves; 13. a lower metal frame; 14. a display module body; 15. screwing holes; 16. a dust-proof groove; 17. mounting holes; 18. and (6) erecting the cushion.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a dustproof industrial control display module comprises an upper metal frame 1, a liquid crystal display 5, a lower metal frame 13 and a display module body 14, wherein the lower end part of the upper metal frame 1 is fixedly connected with a dustproof plate 9, the dustproof plate 9 is arranged inside the dustproof plate 9, a dustproof pad 8 is bonded inside the upper metal frame 1, a display hole 6 is formed in the middle of the inside of the upper metal frame 1, a sealing pad 3 is fixedly connected inside the display hole 6, the dustproof pad 8 is composed of a transverse pad 2 and a vertical pad 18, and the transverse pad 2 and the vertical pad 18 are combined together to form an L shape; the sealing gasket 3 is fixedly connected to the inner wall of the display hole 6 in an annular mode, the section of the sealing gasket 3 is in a right-angled trapezoid shape, the sealing gasket 3 is provided with an inclined surface 4, and the inclination angle of the inclined surface 4 is 15 degrees; the liquid crystal display 5 is arranged in the upper metal frame 1, the end part of the liquid crystal display 5 is fixedly connected with the sealing plate 7, the inner part of the lower metal frame 13 is provided with an installation groove 12, the lower metal frame 13 is provided with a dust-proof groove 16, and the two ends of the dust-proof groove 16 are respectively provided with a screw hole 15 and an installation hole 17; the end part of the liquid crystal display 5 is arranged inside the display hole 6, and a sealing gasket 3 is arranged between the liquid crystal display 5 and the inner wall of the display hole 6; the dustproof plate 9 is annularly arranged at the bottom of the upper metal frame 1, the dustproof groove 16 in the lower metal frame 13 is annularly arranged, and the dustproof plate 9 is inserted in the dustproof groove 16; the dust guard 9 is fixedly connected inside the dust-proof groove 16 through a fixing bolt 11, and the fixing bolt 11 sequentially penetrates through the mounting hole 17 and the opening 10 to be in threaded connection inside the threaded connection hole 15; the display module body 14 is composed of an upper metal frame 1 and a lower metal frame 13, the sealing gasket 3 and the dustproof pad 8 form a dustproof structure of the display module body 14, and the sealing gasket 3 and the dustproof pad 8 are integrally formed at one time.

As shown in fig. 1: the inclined plane 4 has been seted up on sealed 3, when the upper end of LCD 5 was installed in the contact with inclined plane 4, sealed 3 that receive the extrusion, sealed 3 that fill up is the rubber material, can fill up the clearance between LCD 5 and the demonstration hole 6, avoids the dust to enter into inside display module body 14 through the gap between LCD 5 and the demonstration hole 6.

As shown in fig. 1-3: the sealing plate 7 is pressed on the dustproof pad 8, the sealing plate 7 is installed inside the upper metal frame 1 through a bolt, the sealing plate 7 is tightly attached to the dustproof pad 8, the dustproof effect is good, meanwhile, the upper metal frame 1 is connected with a dustproof groove 16 formed in the lower metal frame 13 through the dustproof plate 9 at the bottom in an inserting mode, and the phenomenon that external dust enters the display module body 14 from a gap between the upper metal frame 1 and the lower metal frame 13 is avoided.

The working principle is as follows: when the dustproof industrial control display module is used, the liquid crystal display 5 is inserted into the display hole 6 during installation, the end part of the liquid crystal display 5 extrudes the sealing gasket 3, the sealing gasket 3 fills up a gap between the display hole 6 and the liquid crystal display 5, the phenomenon that the gap between the upper metal frame 1 and the liquid crystal display 5 is too large and dust enters the display module body 14 is avoided, protect the display module body 14, increase the service life of the display module body 14, meanwhile, the upper metal frame 1 is inserted into a dustproof groove 16 arranged in the lower metal frame 13 through a dustproof plate 9 at the bottom, the dust-proof groove 16 and the dust-proof plate 9 are fixed through the fixing bolt 11, so that external dust is prevented from entering the display module body 14 from a gap between the upper metal frame 1 and the lower metal frame 13; the whole working process of the dustproof industrial control display module is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dirt-proof industry control display module, includes metal frame (1), LCD (5), lower metal frame (13) and display module body (14), its characterized in that: go up tip and dust guard (9) fixed connection under metal frame (1), and inside dust guard (9) of having seted up of dust guard (9), go up metal frame (1) inside bonding simultaneously and have dustproof pad (8) to go up middle part and seted up display hole (6) in metal frame (1), the sealed pad (3) of inside fixedly connected with in display hole (6), LCD (5) set up inside last metal frame (1), and LCD (5) tip and closing plate (7) fixed connection, mounting groove (12) have been seted up to metal frame (13) inside down, and seted up dust-proof groove (16) down on metal frame (13), spiro union hole (15) and mounting hole (17) have been seted up respectively at the both ends of dust-proof groove (16) simultaneously.

2. The dustproof industrial control display module set of claim 1, wherein: sealed pad (3) annular fixed connection is on the inner wall that shows hole (6), and the section that seals up pad (3) sets up for right trapezoid, has seted up inclined plane (4) on sealed pad (3), and the inclination of inclined plane (4) is 15.

3. The dustproof industrial control display module set of claim 1, wherein: the end part of the liquid crystal display (5) is arranged in the display hole (6), and a sealing gasket (3) is arranged between the liquid crystal display (5) and the inner wall of the display hole (6).

4. The dustproof industrial control display module set of claim 1, wherein: the dustproof pad (8) is composed of a transverse pad (2) and a vertical pad (18), and the transverse pad (2) and the vertical pad (18) are combined together to form an L shape.

5. The dustproof industrial control display module set of claim 1, wherein: the dustproof plate (9) is annularly arranged at the bottom of the upper metal frame (1), the dustproof groove (16) in the lower metal frame (13) is annularly arranged, and the dustproof plate (9) is inserted in the dustproof groove (16).

6. The dustproof industrial control display module set of claim 1, wherein: the dustproof plate (9) is fixedly connected inside the dustproof groove (16) through a fixing bolt (11), and the fixing bolt (11) sequentially penetrates through the mounting hole (17) and the opening hole (10) to be screwed inside the screwed hole (15).

7. The dustproof industrial control display module set of claim 1, wherein: the display module body (14) is composed of an upper metal frame (1) and a lower metal frame (13), a sealing gasket (3) and a dustproof pad (8) form a dustproof structure of the display module body (14), and the sealing gasket (3) and the dustproof pad (8) are integrally formed at one time.