CN217279189U

CN217279189U - Liquid Crystal Module (LCM) with positioning and mounting structure

Info

Publication number: CN217279189U
Application number: CN202220103598.7U
Authority: CN
Inventors: 李春芳; 侯英光; 张辉; 郑志会; 朱维城
Original assignee: Anshan Jingcheng Electronic Co ltd
Current assignee: Anshan Jingcheng Electronic Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-08-23
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the technical field of Liquid Crystal Module (LCM) and discloses a Liquid Crystal Module (LCM) with a positioning and mounting structure, which solves the problem that front and back position dislocation is easy to occur among the LCM in the installation process of the LCM in the current market, and comprises a display screen, a backlight plate and a circuit board, wherein the outer parts of the display screen, the backlight plate and the circuit board are respectively and fixedly provided with a first frame, a second frame and a third frame, and the sizes of the first frame, the second frame and the third frame are the same, the utility model discloses, through overlapping the first frame, the second frame and the third frame, a mandril at the back of the first frame is inserted into a through hole on the second frame and pushes an inserted rod to be inserted into a groove on the third frame, and finally, the three frames are fixedly connected together by utilizing bolts, thus the installation of the LCM is completed, in the installation process, the position of the LCM module is positioned, and the position of the LCM module is fixed.

Description

Liquid Crystal Module (LCM) with positioning and mounting structure

Technical Field

The utility model belongs to the technical field of liquid crystal LCM module, specifically be a liquid crystal LCM module of specific location mounting structure.

Background

The LCM, i.e., an LCD display module and a liquid crystal module, refers to a component in which a liquid crystal display device, a connecting member, peripheral circuits such as a control circuit and a drive circuit, a PCB circuit board, a backlight source, a structural member, and the like are assembled together, and generally, there is no structure for positioning the LCM when the LCM is installed, so that a situation that a front position and a rear position are deviated easily occurs when the LCM is installed.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a liquid crystal LCM module of specific location mounting structure, the effectual LCM module of having solved on the existing market is at the in-process of installing, and the problem of position dislocation around appearing easily between the LCM module.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid crystal LCM module of specific location mounting structure, includes display screen, backlight board and circuit board, the outside difference fixed mounting of display screen, backlight board and circuit board has first frame, second frame and third frame, and the size of first frame, second frame and third frame is all the same, the screw has all been seted up to four positive corners of first frame, and has the ejector pin at four equal fixed mounting of corner at the first frame back, the through-hole has all been seted up to four corners of second frame, all is provided with the inserted bar in the inside of four through-holes, four positive corners of third frame are all seted up flutedly.

Preferably, four the limiting groove has all been seted up to the both sides of through-hole inner wall, four the equal fixed mounting in both sides of inserted bar outer wall has the stopper, and the stopper of inserted bar outer wall both sides is respectively at the limiting groove of sliding through-hole inner wall both sides.

Preferably, when the first frame, the second frame and the third frame are overlapped front and back, the four push rods on the back of the first frame are inserted into the four through holes on the second frame and push the inserted rods to move in the through holes, and one ends of the inserted rods, far away from the push rods, extend into the grooves on the front of the third frame.

Preferably, four first through openings are formed in the middle of the ejector rods, four second through openings are formed in the middle of the inserting rods, and screw grooves are formed in the four grooves.

Preferably, four the inside of screw all is provided with the bolt, and four bolts all run through corresponding first opening and second opening and threaded connection in the inside of thread groove.

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

when the LCM is installed, firstly, the display screen is placed at the forefront, the backlight source plate is placed at the middle position, the circuit board is placed at the rearmost, then the first frame on the display screen, the second frame on the backlight source plate and the third frame on the circuit board are overlapped together in sequence, four ejector rods on the back of the first frame are inserted into four through holes on the second frame and push the inserted rods to move in the through holes, the limiting blocks on two sides of the outer wall of the inserted rods slide in the limiting grooves on two sides of the inner wall of the through holes when the inserted rods move, when the limiting blocks slide to the other end from one end of the limiting grooves, one end of the inserted rods extends out of the through holes and is inserted into four grooves on the third frame, finally, four bolts are inserted into four screw holes, the bolts penetrate through the first through hole in the middle of the ejector rods and the second through hole in the middle of the inserted rods and are in the screw grooves inside the grooves in a threaded manner, therefore, the positions of the first frame, the second frame and the third frame are fixed, and the LCM module is installed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

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

fig. 3 is a schematic sectional view of the connection of the first frame, the second frame and the third frame according to the present invention;

fig. 4 is an enlarged schematic view of the utility model at a;

in the figure: 1. a first frame; 2. a second frame; 3. a third frame; 4. a display; 5. a backlight plate; 6. a circuit board; 7. a screw hole; 8. a rod is inserted; 9. a groove; 10. a bolt; 11. a through hole; 12. a top rod; 13. a limiting groove; 14. a limiting block; 15. a screw groove; 16. a first port; 17. a second port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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.

Embodiment one, given by fig. 1-4, the utility model discloses a display screen 4, backlight board 5 and circuit board 6, the outside of display screen 4, backlight board 5 and circuit board 6 is fixed mounting respectively has first frame 1, second frame 2 and third frame 3, and first frame 1, second frame 2 and third frame 3's size is all the same, screw 7 has all been seted up to four positive corners of first frame 1, and there is ejector pin 12 at four equal fixed mounting of the back of first frame 1, through-hole 11 has all been seted up to four corners of second frame 2, all be provided with inserted bar 8 in the inside of four through-holes 11, recess 9 has all been seted up to four positive corners of third frame 3.

Second embodiment, on the basis of first embodiment, spacing groove 13 has all been seted up to the both sides of four through-hole 11 inner walls, and the equal fixed mounting in both sides of four 8 outer walls of inserted bar has stopper 14, and stopper 14 of 8 outer wall both sides of inserted bar is respectively in the spacing groove 13 of 11 inner wall both sides of sliding through-hole.

In the third embodiment, on the basis of the second embodiment, when the first frame 1, the second frame 2 and the third frame 3 are overlapped front and back, the four push rods 12 on the back surface of the first frame 1 are inserted into the four through holes 11 on the second frame 2 and push the inserted rods 8 to move inside the through holes 11, and one end of the inserted rod 8, which is far away from the push rods 12, extends into the groove 9 on the front surface of the third frame 3.

In the fourth embodiment, on the basis of the third embodiment, the first through holes 16 are formed in the middle of the four push rods 12, the second through holes 17 are formed in the middle of the four insert rods 8, and the screw grooves 15 are formed in the four grooves 9.

In the fifth embodiment, on the basis of the fourth embodiment, the bolts 10 are disposed inside the four screw holes 7, and the four bolts 10 penetrate through the corresponding first through holes 16 and the corresponding second through holes 17 and are screwed inside the screw grooves 15.

The working principle is as follows: when the LCM is installed, the display screen 4 is placed at the forefront, the backlight plate 5 is placed at the middle position, the circuit board 6 is placed at the rearmost, then the first frame 1 on the display screen 4, the second frame 2 on the backlight plate 5 and the third frame 3 on the circuit board 6 are overlapped in sequence front and back, four ejector rods 12 on the back of the first frame 1 are inserted into four through holes 11 on the second frame 2 and push the insertion rods 8 to move in the through holes 11, the limiting blocks 14 on two sides of the outer wall of the insertion rod 8 slide in the limiting grooves 13 on two sides of the inner wall of the through hole 11 when the insertion rod 8 moves, when the limiting blocks 14 slide from one end of the limiting grooves 13 to the other end, one end of the insertion rod 8 extends out of the through holes 11 and is inserted into four grooves 9 on the third frame 3, and finally four bolts 10 are inserted into the four screw holes 7, and the bolts 10 penetrate through a first through hole 16 in the middle of the ejector rods 12 and a second through hole 17 in the middle of the insertion rod 8 and are in threaded connection with screws in the grooves 9 And in the groove 15, the positions of the first frame 1, the second frame 2 and the third frame 3 are fixed, and the LCM module is installed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 liquid crystal LCM module with location mounting structure, includes display screen (4), backlight board (5) and circuit board (6), its characterized in that: the display screen is characterized in that the outer portions of the display screen (4), the backlight source plate (5) and the circuit board (6) are respectively fixedly provided with a first frame (1), a second frame (2) and a third frame (3), the sizes of the first frame (1), the second frame (2) and the third frame (3) are the same, screw holes (7) are formed in four front corners of the first frame (1), ejector rods (12) are fixedly arranged in four corners of the back of the first frame (1), through holes (11) are formed in four corners of the second frame (2), inserting rods (8) are arranged in the four through holes (11), and grooves (9) are formed in four front corners of the third frame (3).

2. The liquid crystal LCM module with the positioning and mounting structure as claimed in claim 1, wherein: four spacing groove (13), four have all been seted up to the both sides of through-hole (11) inner wall the equal fixed mounting in both sides of inserted bar (8) outer wall has stopper (14), and stopper (14) of inserted bar (8) outer wall both sides slide respectively in spacing groove (13) of through-hole (11) inner wall both sides.

3. The LCM with positioning and mounting structure as claimed in claim 2, wherein: when the first frame (1), the second frame (2) and the third frame (3) are overlapped front and back, four ejector rods (12) on the back of the first frame (1) can be inserted into four through holes (11) in the second frame (2) and push the inserted rod (8) to move in the through holes (11), and one end, far away from the ejector rods (12), of the inserted rod (8) extends into a groove (9) in the front of the third frame (3).

4. A liquid crystal LCM module having positioning and mounting structure according to claim 3, wherein: four first opening (16) have all been seted up in the centre of ejector pin (12), four second opening (17) have all been seted up in the centre of inserted bar (8), four screw groove (15) have all been seted up to the inside of recess (9).

5. The LCM with positioning and installing structure as claimed in claim 4, wherein: four the inside of screw (7) all is provided with bolt (10), and four bolts (10) all run through corresponding first opening (16) and second opening (17) and threaded connection in the inside of thread groove (15).