CN211403942U

CN211403942U - Outer casing of liquid crystal writing board

Info

Publication number: CN211403942U
Application number: CN201922201845.8U
Authority: CN
Inventors: 蒋昆; 刘艳平; 唐光松; 张启发
Original assignee: Zhuhai Enotepod Technology Co ltd
Current assignee: Zhuhai Enotepod Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-01
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a shell of liquid crystal board, it includes upper cover and lower cover, adopts the mode of buckle to be connected between upper cover and the lower cover, sets up first flange around the installation liquid crystal film, sets up the position of controlling electronic components between first flange and first lateral wall, and the position of first PCB base plate and second PCB base plate all adopts the structure of strengthening to fix a position. The position of the battery is arranged among the liquid crystal film, the erasing installation space and the locking installation space, so that the structure is more reasonable. The electrodes are positioned in a clamping groove mode. The back of lower cover can be provided with the solar cell dope layer, can throw light on when can automatic charging. The utility model has the advantages that: simple structure, with low costs, easy to produce is difficult to warp, and the quality is light, and structural distribution is reasonable for can practice thrift the wiring of follow-up control assembly simpler, can the part of fixed pen of easy to assemble, the mode of avoiding adopting the draw-in groove fixes the pen and the electrode is difficult to not hard up.

Description

Outer casing of liquid crystal writing board

Technical Field

The utility model relates to a shell technical field of liquid crystal board.

Background

The conventional liquid crystal tablet has some disadvantages: 1. the structure is complex; 2. the cost is high; 3. easy to deform; 4. the mass is large; 5. the internal wiring is complex, so that the reinforcing ribs are not arranged well; 6. in the production deformation process, a plurality of gaps and even dislocation can be generated in the installation process of the product; 7. the structure for placing the pen cannot be used for placing or taking out the pen in a humanized manner, and the pen is either too tight or too loose; 8. the wiring is not reasonable, resulting in an increase in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide the shell of liquid crystal board, its simple structure, with low costs, easy to produce is difficult to warp, and the quality is light, and structural distribution is reasonable for can practice thrift the wiring of follow-up control assembly simpler, the part of pen is fixed to the mode of avoiding adopting the draw-in groove and fix pen and electrode are difficult to become flexible.

The utility model adopts the technical proposal that:

the shell of the liquid crystal tablet, it includes:

a lower cover provided with a first main body, a first side wall arranged at the circumferential edge of the first main body, a liquid crystal film installation cavity arranged in the middle of the upper end surface of the first main body, a first flange arranged at the edge of the liquid crystal film installation cavity, a control installation cavity arranged between the liquid crystal installation cavity and the first side wall, two first reinforcing ribs arranged at the left end of the control installation cavity, two second reinforcing ribs arranged at the right end of the control installation cavity, two first positioning columns arranged between the two second reinforcing ribs, a first convex strip arranged between the two first positioning columns, a first gap arranged beside the first convex strip and communicated from the outer part of the side wall to the direction of the control installation cavity, a second gap arranged at the first flange and communicated between the liquid crystal film installation cavity and the control installation cavity, an erasing button installation space arranged inside the control installation cavity, a locking button installation space arranged inside the control installation cavity, The battery installation space is arranged in the control installation cavity and is arranged between the erasing button installation space and the locking button installation space, and the barbs are distributed on the first side wall in an array manner; each barb extends from the inner part of the first side wall to the direction of the liquid crystal film mounting cavity; the barb is square; the liquid crystal film mounting cavity is square; the control installation cavity is annular; the first notch extends downwards from the upper end of the first side wall, and the second notch extends downwards from the upper end of the first flange; the edge of the erasing button space is provided with a first positioning flange; a second positioning flange is arranged at the edge of the locking button space; an electrode insertion groove is arranged between the battery installation space and the first side wall; the erasing button space is square; the locking button space is square;

the upper cover is fixedly connected with the lower cover and is provided with a second main body, a second side wall arranged at the circumferential edge of the second main body, a display window arranged at the middle position of the second main body and corresponding to the position of the liquid crystal film installation cavity, a plurality of buckling holes which are distributed on the second side wall in an array mode and are buckled with the inverted hooks, a first button installation hole which is arranged on one side of the upper end of the second main body and corresponds to the spatial position of the erasing button, and a second button installation hole which is arranged on the other side of the upper end of the second main body and corresponds to the spatial position of the locking button; the first side wall position corresponds to the second side wall position; a second flange is arranged on the lower end face of the second main body and on the circumferential edge of the display window, and a control assembly mounting space is formed between the second flange and the second side wall; the control assembly is installed and corresponds to the control installation cavity in position; and a plurality of reinforcing strips are distributed between the second side wall and the second flange in an array manner.

The battery installation space is perforated, and the perforated upper end is equipped with the spacing bulge of arc, and the spacing bulge of arc extends from fenestrate edge toward fenestrate intermediate position direction.

The lower end surface of the lower cover is coated with a solar cell coating layer; the first main body is provided with a line passing hole which is communicated with the upper end surface of the solar cell coating layer and the lower cover.

The shell of the liquid crystal tablet, it includes: the liquid crystal film installation cavity firstly positions the liquid crystal film, so that the liquid crystal film is not dislocated, and the performance stability of the product is greatly improved; the first flange can be used for positioning the liquid crystal film while enhancing the strength of the whole lower cover, and meanwhile, the deformation of the lower cover caused by the extrusion force of the upper cover is avoided, so that the liquid crystal film is protected; the control installation space is mainly used for installing other electronic components such as a PCB substrate, a button battery and the like. The pain-death battery is arranged between the liquid crystal film, the erasing installation space and the locking installation space, so that the structure is more reasonable, the wiring length is reduced, the length of the PCB substrate is reduced, and the length of the electrode is reduced. Holistic intensity can both be strengthened to first strengthening rib and second strengthening rib, need not increase the thickness of first main part and can realize the purpose of strengthening, and this position is the position that the user often grabbed moreover, fine decomposition power for product life is longer. The first positioning column can well position a belt to be installed behind the belt, the belt is mainly used for clamping a pen, the first raised line is used for facilitating the subsequent clamping of the belt at the position, so that the belt cannot be pulled out outwards, the belt is a strip, and then the belt is bent to form a space with the pen clamped in the middle; the two movable ends are both provided with holes and are clamped with the first convex strips. When first locating flange and second locating flange can play the effect of strengthening whole second main part intensity, can fix a position for first PCB base plate, can fix a position for second PCB base plate simultaneously, just so avoided adopting the mode of screw fixation. The electrode insertion groove can fix the electrode, and the situation that the electrode is loosened in the vibration process to cause circuit breaking is avoided. The connection mode of a buckle structure is formed between the upper cover and the lower cover, so that the installation is simpler and easier, the mode of screw fixation is avoided, a threaded column needs to be arranged if the screw fixation is adopted, the production process is more extensive, and the situation that the threaded column is cracked by the top easily appears in the installation process of the screw.

The whole intelligent liquid crystal writing board product further comprises a liquid crystal film, an erasing button, a locking button, a controller, a battery, a first PCB substrate, a second PCB substrate, a first key cap and a second key cap; the first button cap is installed and is being erased the installation space, and the second button cap is installed and is being locked the installation space, and first PCB base plate is installed and is being erased installation space department, and the second PCB base plate is installed and is being locked installation space department, and it installs on first PCB base plate to erase the button, and locking button installs on the second PCB base plate, and controller electric connection is in first button, second button, battery, liquid crystal film and solar cell dope layer. The controller electric connection has the LED to send out optical chip, and LED sends out optical chip and installs at the upper cover, especially in African country, and many places do not have the electric energy, adopt this mode then, charge daytime, can throw light on again for children and write the operation evening.

The utility model has the advantages that: simple structure, with low costs, easy to produce is difficult to warp, and the quality is light, and structural distribution is reasonable for can practice thrift the wiring of follow-up control assembly simpler, can the part of fixed pen of easy to assemble, the mode of avoiding adopting the draw-in groove fixes the pen and the electrode is difficult to not hard up.

Drawings

FIG. 1 is a schematic view of the structure of the present invention installed in a liquid crystal tablet;

FIG. 2 is an exploded view of the liquid crystal tablet of the present invention;

FIG. 3 is a schematic diagram of the liquid crystal tablet according to the present invention;

fig. 4 is a schematic structural diagram of the upper cover of the present invention;

fig. 5 is a schematic view of the structural principle of the lower cover of the present invention.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the housing of the liquid crystal tablet of the present invention includes:

a lower cover 1 having a first body 11, a first sidewall 12 disposed at the circumferential edge of the first body 11, a liquid crystal film mounting cavity 13 disposed in the middle of the upper end surface of the first body 11, a first flange 14 disposed at the edge of the liquid crystal film mounting cavity 13, a control mounting cavity 15 disposed between the liquid crystal mounting cavity and the first sidewall 12, two first ribs 16 disposed at the left end of the control mounting cavity 15, two second ribs 17 disposed at the right end of the control mounting cavity 15, two first positioning posts 18 disposed between the two second ribs 17, a first protrusion 19 disposed between the two first positioning posts 18, a first notch 110 disposed beside the first protrusion 19 and penetrating from the outside of the first sidewall 12 toward the control mounting cavity 15, a second notch 111 disposed at the first flange 14 and communicating the liquid crystal film mounting cavity 13 and the control mounting cavity 15, an erasing button mounting space 112 disposed inside the control mounting cavity 15, a second notch disposed between the liquid crystal film mounting cavity 13 and the control mounting cavity 15, and a second notch disposed between the second positioning post and the, A locking button installation space 113 arranged inside the control installation cavity 15, a battery installation space 114 arranged in the control installation cavity 15 and arranged between the erasing button installation space 112 and the locking button installation space 113, and a plurality of barbs 115 distributed on the first side wall 12 in an array manner; each barb 115 extends from the inner part of the first side wall 12 to the liquid crystal film mounting cavity 13; the barbs 115 are square; the liquid crystal film mounting cavity 13 is square; the control installation cavity 15 is annular; the first notch 110 extends downward from the upper end of the first sidewall 12, and the second notch 111 extends downward from the upper end of the first flange 14; the edge of the erasing button installation space is provided with a first positioning flange 116; the edge of the locking button space is provided with a second positioning flange 117; an electrode insertion groove 118 is provided between the battery mounting space 114 and the first sidewall 12; the erasing button space is square; the locking button space is square;

the upper cover 2 is fixedly connected with the lower cover 1 and is provided with a second main body 21, a second side wall 22 arranged on the circumferential edge of the second main body 21, a display window 23 arranged in the middle of the second main body 21 and corresponding to the liquid crystal film mounting cavity 13, a plurality of buckling holes 24 which are distributed on the second side wall 22 in an array manner and are buckled with the barbs 115, a first button mounting hole 25 arranged on one side of the upper end of the second main body 21 and corresponding to the spatial position of an erasing button, and a second button mounting hole 26 arranged on the other side of the upper end of the second main body 21 and corresponding to the spatial position of a locking button; the position of the first side wall 12 corresponds to the position of the second side wall 22; a second flange is arranged on the lower end surface of the second main body 21 and on the circumferential edge of the display window 23, and a control component mounting space is formed between the second flange and the second side wall 22; the control component is installed and corresponds to the position of the control installation cavity 15; a plurality of reinforcing bars 27 are arranged between the second side wall 22 and the second flange in an array.

The battery mounting space 114 is a through hole, and an arc-shaped limiting protrusion part is arranged at the upper end of the through hole and extends from the edge of the through hole to the middle position of the through hole.

The lower end surface of the lower cover 1 is coated with a solar cell coating layer; the first main body 11 is provided with a line passing hole which is communicated with the solar cell coating layer and the upper end surface of the lower cover 1.

Claims

1. The shell of the liquid crystal writing board is characterized by comprising:

the lower cover (1) is provided with a first main body (11), a first side wall (12) arranged at the circumferential edge of the first main body (11), a liquid crystal film installation cavity (13) arranged in the middle of the upper end surface of the first main body (11), a first flange (14) arranged at the edge of the liquid crystal film installation cavity (13), a control installation cavity (15) arranged between the liquid crystal installation cavity and the first side wall (12), two first reinforcing ribs (16) arranged at the left end of the control installation cavity (15), two second reinforcing ribs (17) arranged at the right end of the control installation cavity (15), two first positioning columns (18) arranged between the two second reinforcing ribs (17), a first convex strip (19) arranged between the two first positioning columns (18), a first notch (110) arranged beside the first convex strip (19) and penetrating from the outside of the first side wall (12) to the direction of the control installation cavity (15), A second gap (111) which is arranged at the first flange (14) and is communicated between the liquid crystal film mounting cavity (13) and the control mounting cavity (15), an erasing button mounting space (112) which is arranged inside the control mounting cavity (15), a locking button mounting space (113) which is arranged inside the control mounting cavity (15), a battery mounting space (114) which is arranged in the control mounting cavity (15) and is arranged between the erasing button mounting space (112) and the locking button mounting space (113), and a plurality of barbs (115) which are distributed on the first side wall (12) in an array manner; each barb (115) extends from the inner part of the first side wall (12) to the direction of the liquid crystal film mounting cavity (13); the barb (115) is square; the liquid crystal film mounting cavity (13) is square; the control installation cavity (15) is annular; the first notch (110) extends downwards from the upper end of the first side wall (12), and the second notch (111) extends downwards from the upper end of the first flange (14); the edge of the erasing button installation space (112) is provided with a first positioning flange (116); the edge of the locking button space is provided with a second positioning flange (117); an electrode insertion groove (118) is arranged between the battery installation space (114) and the first side wall (12); the erasing button space is square; the locking button space is square;

the upper cover (2) is fixedly connected with the lower cover (1) and is provided with a second main body (21), a second side wall (22) arranged at the circumferential edge of the second main body (21), a display window (23) arranged at the middle position of the second main body (21) and corresponding to the position of the liquid crystal film mounting cavity (13), a plurality of buckling holes (24) which are distributed on the second side wall (22) in an array manner and are mutually buckled with the inverted hooks (115), a first button mounting hole (25) arranged at one side of the upper end of the second main body (21) and corresponding to the spatial position of the erasing button, and a second button mounting hole (26) arranged at the other side of the upper end of the second main body (21) and corresponding to the spatial position of the locking button; the position of the first side wall (12) corresponds to the position of the second side wall (22); a second flange is arranged on the lower end surface of the second main body (21) and on the circumferential edge of the display window (23), and a control component mounting space is formed between the second flange and the second side wall (22); the control assembly is arranged corresponding to the position of the control installation cavity (15); and a plurality of reinforcing strips (27) are distributed between the second side wall (22) and the second flange in an array manner.

2. A casing of a liquid crystal tablet according to claim 1, wherein: the battery installation space (114) is a through hole, an arc-shaped limiting protruding part is arranged at the upper end of the through hole, and the arc-shaped limiting protruding part extends from the edge of the through hole to the middle position of the through hole.

3. A housing for a liquid crystal tablet in accordance with claim 2, wherein: the lower end surface of the lower cover (1) is coated with a solar cell coating layer; the first main body (11) is provided with a line passing hole which is communicated with the upper end surface of the solar cell coating layer and the lower cover (1).