CN212933183U

CN212933183U - Detection device of liquid crystal display screen for communication transmission

Info

Publication number: CN212933183U
Application number: CN202022003579.0U
Authority: CN
Inventors: 陈敬选; 林游海
Original assignee: Straits Fuzhou Communication Service Co ltd
Current assignee: Straits Fuzhou Communication Service Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-09
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a liquid crystal display's detection device for communication transmission, including examining test table, fixing at the backplate of examining test table top rear side and inlaying the backlight of dress in the backplate front side, the rectangle box that the front side top fixedly connected with bottom of backplate set up for the opening, and the equal fixedly connected with montant in bottom both sides of rectangle box, the backlight is located between two montants, and the rectangular channel has all been seted up to one side that two montants are close to each other, and fixedly connected with guide bar between the top inner wall of rectangular channel and the bottom inner wall, sliding sleeve is equipped with the sliding sleeve on the guide bar. The utility model relates to a rationally, easy and simple to handle, be convenient for quick automatic clean the dust removal to the front side of backlight, improve dust collection efficiency, need not personnel and wear to take off gloves and take and clean steps such as article and remove dust in inspection work, improve work efficiency, satisfy the user demand, be favorable to the use.

Description

Detection device of liquid crystal display screen for communication transmission

Technical Field

The utility model relates to a check out test set technical field especially relates to a liquid crystal display's detection device for communication transmission.

Background

The liquid crystal display screen, English abbreviated as LCD, is a kind of flat panel display, is used for the screen display of various machines, the advantage of this display screen is low in power consumption, small, low to radiate, liquid; communication transmission refers to the transmission and exchange of information from one place to another place, and the purpose of the communication is to transmit messages;

the liquid crystal display screen for the communication transmission instrument needs to be detected to determine whether the quality is qualified or not in the assembling process, the detection of the liquid crystal display screen comprises the detection of the light transmission performance of the liquid crystal display screen, the detection of whether the liquid crystal display screen has point damage, linear damage, foreign matters and the like, and the detection method of the liquid crystal display screen at present is that a backlight lamp is utilized, and a worker can observe whether the liquid crystal display screen has quality problems under the auxiliary irradiation of the backlight lamp.

However, in the existing technical problem, there is a disadvantage that it is inconvenient to wipe and remove dust from the backlight rapidly and automatically, and in the work of people through backlight illumination inspection, along with the continuation of inspection, dust is easily adhered to the outer side of the backlight, which affects the work of inspection and needs to remove dust, (and workers must wear gloves when inspecting the liquid crystal display screen, need to remove the gloves, then take wiping cloth to wipe and then wear the gloves), which is complicated and reduces the work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a detection device of a liquid crystal display screen for communication transmission.

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

a detection device of a liquid crystal display screen for communication transmission comprises a detection table, a back plate fixed at the back side of the top of the detection table, and a backlight embedded at the front side of the back plate, wherein the top of the front side of the back plate is fixedly connected with a rectangular box with an opening at the bottom, the two sides of the bottom of the rectangular box are fixedly connected with vertical rods, the backlight lamp is positioned between the two vertical rods, one side of the two vertical rods, which is close to each other, is provided with a rectangular groove, and a guide rod is fixedly connected between the inner wall of the top part and the inner wall of the bottom part of the rectangular groove, a sliding sleeve is sleeved on the guide rod in a sliding manner, a spring is fixedly connected between the bottom part of the sliding sleeve and the inner wall of the bottom part of the corresponding rectangular groove, the spring is movably sleeved on the corresponding guide rod, one side of the two sliding sleeves, which is close to each other, is fixedly connected with the same cross rod, the cross rod is positioned above the backlight, the rear side of the cross rod is fixedly bonded with a wiping block, and the rear side of the wiping block is flush with the front side of the backlight;

two grooves are arranged at the top of the cross bar, the inner walls of one sides of the two grooves, which are close to each other, are both arranged as inclined planes, the same positioning rod is fixedly connected between the inner walls of the two sides of the rectangular box, two sliding seats are slidably sleeved on the positioning rod, rotating rods which are obliquely arranged are rotatably arranged on the front side and the rear side of each sliding seat, the bottom ends of the rotating rods extend into the corresponding grooves and are hinged with the inner walls of the bottoms of the grooves, the two rotating rods which are opposite from each other at the left and the right are symmetrically arranged, two screw rods are rotatably arranged on the inner wall of the top of the rectangular box, one ends of the two screw rods, which are close to each other, are welded, the screw threads of the two screw rods are opposite in rotating direction, a nut is fixedly welded on the top of the sliding seat, the screw threads of the nuts are sleeved on the corresponding screw rods, the right side of the rectangular box is fixedly provided with a driving motor, and the output shaft of the driving motor extends into the rectangular box and is fixedly connected with the right ends of the right screws in the two screws.

Preferably, a rectangular hole is formed in the front side of the back plate, the inner wall of the rectangular hole is fixedly connected with the outer side of the backlight lamp, the front side of the backlight lamp extends out of the back plate, and the rear side of the wiping block is not in contact with the front side of the back plate.

Preferably, the wiping block is wiping cloth or soft wiping sponge, a female magic tape is fixedly bonded to the front side of the wiping block, a male magic tape is fixedly bonded to the rear side of the cross bar, and the male magic tape is bonded to the female magic tape.

Preferably, a square hole is formed in one side of the sliding seat, and the inner wall of the square hole is in sliding connection with the outer side of the positioning rod.

Preferably, the front side and the rear side of sliding seat have all welded round pin axle, and the round hole has been seted up at the front side top of dwang, and the round hole internal fixation cover is equipped with first bearing, the fixed suit in the outer side of the inner circle of first bearing and the round pin axle that corresponds.

Preferably, the inner wall of the top of the rectangular box is fixedly connected with two second bearings, and the inner rings of the second bearings are fixedly sleeved with the outer sides of the corresponding screw rods.

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

by detecting the platform, the back plate, the backlight lamp, the rectangular box, the vertical rod, the rectangular groove, the guide rods, the sliding sleeves, the springs, the transverse rods, the grooves, the positioning rods, the sliding seats, the rotating rods, the screw rods, the nuts, the driving motor, the wiping block and the female magic tape are matched, the driving motor is started in the forward direction to drive the two screw rods to rotate, the two screw rods can drive the two nuts to move in the direction away from each other in a rotating way, the two nuts drive the two sliding seats to slide in the direction away from each other on the positioning rods, the sliding seats drive the corresponding two rotating rods to downwards rotate and extrude the inner wall of the bottom of the groove, under the extrusion force, the transverse rods downwards move and drive the two sliding sleeves to downwards move, the sliding sleeves downwards slide on the corresponding guide rods and compress the springs, the transverse rods also drive the wiping block to downwards wipe off dust adhered to the front, two sliding seat change into to the direction that is close to each other and remove this moment, and the sliding seat drives two dwangs that correspond and turns back gradually and pull up the horizontal pole, and the elasticity of the spring that is in compression state also drives the horizontal pole rebound through the sliding sleeve that corresponds is supplementary, and the horizontal pole drives the piece of wiping and cleans the front side of backlight from bottom to top this moment, analogizes in proper order, can realize removing dust fast automatically.

The utility model relates to a rationally, easy and simple to handle, be convenient for quick automatic clean the dust removal to the front side of backlight, improve dust collection efficiency, need not personnel and wear to take off gloves and take and clean steps such as article and remove dust in inspection work, improve work efficiency, satisfy the user demand, be favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a detection device for a liquid crystal display for communication transmission according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a left-side view schematic diagram of a cross bar, a female magic tape, a male magic tape and a wiping block connecting piece of the detection device of the liquid crystal display screen for communication transmission provided by the utility model;

fig. 5 is the utility model provides a left side view structure schematic diagram of a detection device of liquid crystal display for communication transmission.

In the figure: 100 detection platforms, 101 back plates, 102 backlight lamps, 1 rectangular box, 2 vertical rods, 3 rectangular grooves, 4 guide rods, 5 sliding sleeves, 6 springs, 7 transverse rods, 8 grooves, 9 positioning rods, 10 sliding seats, 11 rotating rods, 12 threaded rods, 13 nuts, 14 driving motors, 15 wiping blocks and 16 female magic tapes.

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. 1-5, a detection device for a liquid crystal display screen for communication transmission, comprising a detection table 100, a back plate 101 fixed at the rear side of the top of the detection table 100, and a backlight 102 embedded at the front side of the back plate 101, wherein the top of the front side of the back plate 101 is fixedly connected with a rectangular box 1 with an opening at the bottom, two sides of the bottom of the rectangular box 1 are fixedly connected with vertical bars 2, the backlight 102 is positioned between the two vertical bars 2, one side of the two vertical bars 2 close to each other is provided with a rectangular groove 3, a guide rod 4 is fixedly connected between the inner wall of the top and the inner wall of the bottom of the rectangular groove 3, a sliding sleeve 5 is slidably sleeved on the guide rod 4, a spring 6 is fixedly connected between the bottom of the sliding sleeve 5 and the inner wall of the bottom of the corresponding rectangular groove 3, the spring 6 is movably sleeved on the corresponding guide rod, the cross bar 7 is positioned above the backlight lamp 102, the wiping block 15 is fixedly bonded on the rear side of the cross bar 7, and the rear side of the wiping block 15 is flush with the front side of the backlight lamp 102;

two recesses 8 have been seted up at the top of horizontal pole 7, one side inner wall that two recesses 8 are close to each other all establishes to the inclined plane, the same locating lever 9 of fixedly connected with between the both sides inner wall of rectangle box 1, and sliding sleeve is equipped with two sliding seat 10 on locating lever 9, the dwang 11 that the slope set up is all installed to the front side and the rear side of sliding seat 10, and the bottom of dwang 11 extends to in the recess 8 that corresponds and articulates with the bottom inner wall of recess 8 mutually, control two relative dwang 11 symmetries and set up, rotate on the top inner wall of rectangle box 1 and install two screw rods 12, the one end that two screw rods 12 are close to each other welds mutually, the screw thread of two screw rods 12 is turned to opposite, the top welded fastening of sliding seat 10 has nut 13, and nut 13 thread bush is established on corresponding screw rod 12, the right side fixed mounting of rectangle box 1 has driving motor 14, and driving motor 14's output shaft extends to in rectangle box 1 and decide the connection, the utility model relates to a rationally, easy and simple to handle, be convenient for clean the dust removal to the front side of backlight 102 fast automatically, improve dust collection efficiency, need not personnel and wear to take off gloves and take and clean steps such as article and remove dust in inspection work, improve work efficiency, satisfy the user demand, be favorable to the use.

In the utility model, a rectangular hole is arranged on the front side of the back plate 101, the inner wall of the rectangular hole is fixedly connected with the outer side of the backlight 102, the front side of the backlight 102 extends out of the back plate 101, the rear side of the wiping block 15 is not contacted with the front side of the back plate 101, the wiping block 15 is wiping cloth or soft wiping sponge, a female magic tape 16 is adhered and fixed on the front side of the wiping block 15, a male magic tape is adhered and fixed on the rear side of the cross bar 7, the male magic tape is adhered and fixed with the female magic tape 16, a square hole is arranged on one side of the sliding seat 10, the inner wall of the square hole is slidably connected with the outer side of the positioning bar 9, pin shafts are welded on the front side and the rear side of the sliding seat 10, a round hole is arranged on the top of the front side of the rotating bar 11, a first bearing is fixedly sleeved on the round hole, a first bearing is fixedly sleeved on the outer side of the inner, and the fixed suit in the outside of the inner circle of second bearing and the screw rod 12 that corresponds, the utility model relates to a rationally, it is easy and simple to handle, be convenient for fast automatic clean the dust removal to the front side of backlight 102, improve dust collection efficiency, need not personnel and wear to take off gloves and take and clean steps such as article and remove dust in inspection work, improve work efficiency, satisfy the user demand, be favorable to using.

The working principle is as follows: when more dust adheres to the front side of the backlight 102 to affect detection, at the moment, a person starts the driving motor 14 forward, an output shaft of the driving motor 14 drives the two screw rods 12 to rotate, the two screw rods 12 can drive the two nuts 13 to move in the direction away from each other, the two nuts 13 drive the two sliding seats 10 to slide in the direction away from each other on the positioning rod 9, the sliding seats 10 drive the two corresponding rotating rods 11 to rotate and extrude the inner wall of the bottom of the groove 8 downwards, under the extrusion force, the cross rod 7 moves downwards and drives the two sliding sleeves 5 to move downwards, the sliding sleeves 5 slide downwards on the corresponding guide rods 4 and compress the springs 6, meanwhile, the cross rod 7 also drives the wiping block 15 to move downwards, and the wiping block 15 gradually wipes off the dust adhered to the front side of the backlight 102 downwards;

when dust removal work is needed again in continuous work, a person can reversely start the driving motor 14 at the moment, the movement direction of the driving motor 14 is completely opposite to the movement direction of the forward starting, at the moment, the two sliding seats 10 move to the direction approaching to each other, the sliding seats 10 drive the two corresponding rotating rods 11 to gradually rotate and tilt, the rotating rods 11 pull up the cross rod 7 in the rotating and tilting process, at the moment, the elastic force of the spring 6 in a compressed state also drives the cross rod 7 to move upwards through the corresponding sliding sleeves 5, at the moment, the cross rod 7 drives the wiping block 15 to wipe the front side of the backlight 102 from bottom to top, when dust removal is carried out again next time, the driving motor 14 is forwardly started, and the analogy is repeated, so that the purposes of conveniently and automatically wiping the front side of the backlight 102 to remove dust are achieved, the dust removal efficiency is improved, the wiping block 15 adopts a mode of female magic tape 16 and, the wiping block 15 can be replaced conveniently.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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. A detection device of a liquid crystal display screen for communication transmission comprises a detection table (100), a back plate (101) fixed on the rear side of the top of the detection table (100), and a backlight (102) embedded in the front side of the back plate (101), and is characterized in that the top of the front side of the back plate (101) is fixedly connected with a rectangular box (1) with the bottom being provided with an opening, both sides of the bottom of the rectangular box (1) are fixedly connected with vertical rods (2), the backlight (102) is positioned between the two vertical rods (2), one side of the two vertical rods (2) close to each other is provided with a rectangular groove (3), a guide rod (4) is fixedly connected between the inner wall of the top and the inner wall of the bottom of the rectangular groove (3), a sliding sleeve (5) is sleeved on the guide rod (4), and a spring (6) is fixedly connected between the bottom of the sliding sleeve (5) and the inner, the spring (6) is movably sleeved on the corresponding guide rod (4), one side of each of the two sliding sleeves (5) close to each other is fixedly connected with the same cross rod (7), the cross rod (7) is positioned above the backlight (102), the wiping block (15) is fixedly bonded on the rear side of the cross rod (7), and the rear side of the wiping block (15) is flush with the front side of the backlight (102);

two grooves (8) are formed in the top of the cross rod (7), one side inner wall of each groove (8) which is close to each other is arranged as an inclined plane, the same positioning rod (9) is fixedly connected between the two side inner walls of the rectangular box (1), two sliding seats (10) are sleeved on the positioning rod (9) in a sliding mode, the front side and the rear side of each sliding seat (10) are rotatably provided with a rotating rod (11) which is obliquely arranged, the bottom ends of the rotating rods (11) extend into the corresponding grooves (8) and are hinged to the bottom inner walls of the grooves (8), the two rotating rods (11) which are opposite in left and right are symmetrically arranged, two screw rods (12) are rotatably arranged on the inner wall of the top of the rectangular box (1), one ends of the two screw rods (12) which are close to each other are welded, the thread rotating directions of the two screw rods (12) are opposite, and nuts (, and the nut (13) is sleeved on the corresponding screw rod (12) in a threaded manner, a driving motor (14) is fixedly installed on the right side of the rectangular box (1), and an output shaft of the driving motor (14) extends into the rectangular box (1) and is fixedly connected with the right end of the screw rod (12) on the right side of the two screw rods (12).

2. The detecting device of the liquid crystal display screen for communication transmission according to claim 1, wherein a rectangular hole is opened on the front side of the back plate (101), the inner wall of the rectangular hole is fixedly connected with the outer side of the backlight (102), the front side of the backlight (102) extends out of the back plate (101), and the back side of the wiping block (15) is not contacted with the front side of the back plate (101).

3. The detecting device of the liquid crystal display screen for communication transmission according to claim 1, wherein the wiping block (15) is wiping cloth or soft wiping sponge, a female magic tape (16) is adhesively fixed on the front side of the wiping block (15), a male magic tape is adhesively fixed on the rear side of the cross bar (7), and the male magic tape is adhered with the female magic tape (16).

4. The device for detecting the LCD screen for communication transmission as claimed in claim 1, wherein a square hole is opened at one side of the sliding seat (10), and the inner wall of the square hole is slidably connected with the outer side of the positioning rod (9).

5. The device for detecting the liquid crystal display screen for communication transmission according to claim 1, wherein the sliding seat (10) is welded with pins at the front side and the rear side, the rotating rod (11) is provided with a circular hole at the top of the front side, a first bearing is fixedly sleeved in the circular hole, and an inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding pin.

6. The detecting device for the liquid crystal display screen for communication transmission according to claim 1, wherein two second bearings are fixedly connected to the inner wall of the top of the rectangular box (1), and the inner rings of the second bearings are fixedly sleeved with the outer sides of the corresponding screw rods (12).