CN218918376U

CN218918376U - Liquid crystal display device of protein dyeing instrument

Info

Publication number: CN218918376U
Application number: CN202222951460.5U
Authority: CN
Inventors: 卢瑞康; 赵丹妮; 张佳轩
Original assignee: Yunqi Nanjing Biological Technology Co ltd
Current assignee: Yunqi Nanjing Biological Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-25
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a liquid crystal display device of a protein dyeing instrument, which comprises a display screen, a first screen cover and a second screen cover, wherein the display screen, the first screen cover and the second screen cover are arranged on the protein dyeing instrument, the left side of the first screen cover is embedded on the protein dyeing instrument, the right side of the first screen cover is provided with a first placing groove, the left side of the second screen cover is provided with a second placing groove, the right side of the display screen is positioned in the second placing groove, the left side of the display screen is positioned in the first placing groove, the right side of the first screen cover is attached to the left side of the second screen cover, a clamping and positioning assembly for clamping the display screen is arranged in the first placing groove, the right side of the first screen cover is provided with four trapezoidal slots which are symmetrically arranged in pairs, and the bottom inner walls of the four trapezoidal slots are all of inclined surfaces. The utility model has reasonable design and good practicability, can realize quick installation, fixation, disassembly and extraction of the display screen, and is convenient to operate, so that the display screen can be replaced or maintained conveniently.

Description

Liquid crystal display device of protein dyeing instrument

Technical Field

The utility model relates to the technical field of liquid crystal display equipment, in particular to a liquid crystal display device of a protein dyeing instrument.

Background

The protein staining instrument is a high-efficiency protein staining instrument, integrates the traditional three-step reaction of fixation-staining-decoloring by adopting a rapid electrostaining method, can realize stable, efficient, rapid and reliable coomassie blue staining of the protein on the polyacrylamide gel in 10 minutes or less, does not need other auxiliary reagents in the whole staining and decoloring process, and has high staining efficiency and sensitivity. The protein staining instrument is provided with a liquid crystal display device for displaying the status, data and the like of staining.

In the prior art, the liquid crystal display device is mostly formed by combining a screen cover shell made of plastic materials and a display screen, wherein the screen cover shell is usually embedded and fixed on a protein dyeing instrument shell, the display screen is installed and fixed in the screen cover shell, the display screen is mostly fixed in the screen cover shell in an adhesive mode, and some display screens are fixed in the screen cover shell in a mode of elastic buckling piece connection or in a mode of screw connection, however, the existing mode of adhesive connection is firm, the phenomenon that the display screen is inconvenient to install, fix, detach and replace is caused, and after the display screen is detached and taken out, the residual solidified glue solution in the screen cover shell is cleaned, so that the display screen can be assembled again; the existing mode of connecting by adopting the elastic buckling piece is easy to operate, however, when the display screen is disassembled, maintained or replaced for a plurality of times in the later period, the buckling position of the elastic buckling piece is easy to become loose, the phenomenon that the assembly of the display screen and the screen cover shell is not firm exists, and the elastic buckling piece needs to be replaced when necessary, so that the assembly is complicated and troublesome; the existing screw connection mode is firm, but the disassembling and assembling operation of the display screen can be completed by using a screw driver, the number of the screws is at least two, the size of the screws is small, and the screws are inconvenient to operate; furthermore, the existing disassembly and assembly operations on the display screen are complicated, and the use requirements cannot be met, so that a liquid crystal display device of a protein dyeing instrument is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a liquid crystal display device of a protein dyeing instrument, which solves the problems that the installation, the fixation, the disassembly and the replacement of a display screen are inconvenient and the disassembly and the assembly operations of the display screen are complicated.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protein staining appearance liquid crystal display device, includes display screen, first screen lid and the second screen lid of setting on protein staining appearance, four trapezoidal slots that are two-two symmetry setting are seted up on the left side of first screen lid, first standing groove has been seted up on the right side of first screen lid, the second standing groove has been seted up on the left side of second screen lid, the right side of display screen is located the second standing groove, the left side of display screen is located first standing groove, the right side of first screen lid and the left side of second screen lid laminate mutually, be provided with the centre gripping locating component that is used for clamping the display screen in the first standing groove, four trapezoidal slots's bottom inner wall is the inclined plane structure, the left side of second screen lid is provided with four buckling mechanisms.

Preferably, the clamping and positioning assembly comprises four L-shaped elastic clamping plates, the four L-shaped elastic clamping plates are fixedly arranged on the right inner wall of the second placing groove and are symmetrically arranged in pairs, and the four L-shaped elastic clamping plates are respectively contacted with four corners of the display screen.

Preferably, the buckling mechanism comprises a plug column, a clamping rod and a spring, wherein the right end of the plug column is fixedly connected with the left side wall of the second screen cover, the left end of the plug column is slidably mounted in the trapezoidal slot, a vertical slot is formed in the bottom of the plug column, the top end of the clamping rod is slidably mounted in the vertical slot, the top end of the spring is fixedly connected with the top inner wall of the vertical slot, the bottom end of the spring is fixedly connected with the top end of the clamping rod, an arc clamping slot is formed in the bottom inner wall of the trapezoidal slot, and the bottom end of the clamping rod extends into the arc clamping slot.

Preferably, the bottom of the clamping rod is formed by an arc-shaped surface, and the bottom of the clamping rod is contacted with the inner wall of the bottom of the arc-shaped clamping groove.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the vertical groove, the limiting rods are fixedly arranged on the two sides of the clamping rods, and the two limiting rods are respectively and slidably arranged in the corresponding limiting grooves.

Preferably, a sealing gasket is fixedly installed on the inner wall of the left side of the first placing groove, and the left side of the display screen is contacted with the sealing gasket.

Preferably, the left side inner wall of the first placing groove is provided with a wiring through hole, and the right side inner wall of the second placing groove is provided with a visual through hole.

Preferably, anti-skid patterns are arranged on the outer wall of the second screen cover.

(III) beneficial effects

The utility model provides a liquid crystal display device of a protein staining instrument. The beneficial effects are as follows:

(1) According to the liquid crystal display device of the protein dyeing instrument, the display screen can be clamped and fixed in the second placing groove on the second screen cover by using the clamping and positioning mechanism formed by combining the four L-shaped elastic clamping plates, and the display screen can be conveniently detached from the second placing groove.

(2) This protein dyeing appearance liquid crystal display device, through utilizing the buckling mechanisms who constitutes by inserting post, draw-in bar and spring combination, be convenient for install the second screen lid fast and fix on first screen lid, also be convenient for dismantle the second screen lid fast from first screen lid and take off, and then conveniently install fast and fix and dismantle the taking out the display screen, the simple operation has solved current protein dyeing appearance liquid crystal display device and has been inconvenient for to install fixedly and dismantle the change, to the dismouting complex operation's of display screen problem of display screen.

(3) According to the liquid crystal display device of the protein dyeing instrument, when the display screen is installed and fixed in a storage space formed by combining the first placing groove and the second placing groove, the four sides of the display screen can be protected by the cooperation of the first screen cover and the second screen cover.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

FIG. 5 is a schematic perspective view of an L-shaped splint;

fig. 6 is a schematic cross-sectional view of a display screen in a conventional liquid crystal display device.

In the figure: 1. a display screen; 2. a first screen cover; 3. a second screen cover; 4. a first placement groove; 5. a second placement groove; 6. an L-shaped elastic clamping plate; 7. a trapezoidal slot; 8. inserting a column; 9. a vertical groove; 10. a clamping rod; 11. a spring; 12. an arc-shaped clamping groove; 13. a sealing gasket; 14. a wiring through hole; 15. a visual through hole; 101. a blue backlight; 102. a lower polarizing plate; 103. an array substrate; 104. a liquid crystal layer; 105. an upper substrate; 106. an upper polarizing plate; 107. quantum excited color film layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a protein staining appearance liquid crystal display device, includes display screen 1, first screen lid 2, second screen lid 3, centre gripping locating component and four buckling mechanisms that set up on protein staining appearance, wherein:

the left side dress of first screen lid 2 inlays on the protein dyeing appearance, first standing groove 4 has been seted up on the right side of first screen lid 2, second standing groove 5 has been seted up on the left side of second screen lid 3, the right side of display screen 1 is located second standing groove 5, the left side of display screen 1 is located first standing groove 4, the right side of first screen lid 2 and the left side of second screen lid 3 laminate mutually, display screen 1 is used for showing data, utilize the cooperation of first screen lid 2 and second screen lid 3 to use, can protect four sides of display screen 1, the centre gripping locating component sets up in first standing groove 4, four trapezoidal slot 7 that are the two symmetries of setting are seted up on the right side of first screen lid 2, the bottom inner wall of four trapezoidal slot 7 is the inclined plane structure, four buckling mechanisms all set up in the left side of second screen lid 3, it should be noted that first screen lid 2 and second screen lid 3 all adopt the stereoplasm PVC plastics to make.

The clamping and positioning mechanism is used for clamping and fixing the display screen 1 in the second placing groove 5, the clamping and positioning assembly comprises four L-shaped elastic clamping plates 6, the four L-shaped elastic clamping plates 6 are fixedly installed on the right inner wall of the second placing groove 5 and are symmetrically arranged in pairs, the four L-shaped elastic clamping plates 6 are respectively contacted with four corners of the display screen 1, the four corners of the display screen 1 can be clamped and fixed by the four L-shaped elastic clamping plates 6, the display screen 1 can be further fixed in the second placing groove 5, and the fact that the four L-shaped elastic clamping plates 6 are made of elastic plastics is needed to be described.

The above-mentioned buckling mechanism is used for installing and fixing second screen lid 3 fast on first screen lid 2, also be convenient for dismantle fast the second screen lid 3 from first screen lid 2 and take off, buckling mechanism includes spliced pole 8, clamping lever 10 and spring 11, the right-hand member of spliced pole 8 and the left side wall fixed connection of second screen lid 3, the left end slidable mounting of spliced pole 8 is in trapezoidal slot 7, vertical slot 9 has been seted up to the bottom of spliced pole 8, the top slidable mounting of clamping lever 10 is in vertical slot 9, the top and the top inner wall fixed connection of vertical slot 9 of spring 11, the top fixed connection of clamping lever 10 has been seted up arc draw-in groove 12 on the bottom inner wall of trapezoidal slot 7, the bottom of clamping lever 10 extends to in the arc draw-in groove 12, utilize the joint cooperation of clamping lever 10 and arc draw-in groove 12, can fix spliced pole 8 in trapezoidal slot 7, can install and fix second screen lid 3 on first screen lid 2, utilize the elasticity effect of spring 11, can control clamping lever 10 automatic reset.

Through the structure, the liquid crystal display device of the protein dyeing instrument can realize quick installation, fixation and disassembly and extraction of the display screen 1, is convenient to operate, is convenient to replace or maintain the display screen 1, and has the advantages that when the liquid crystal display device is operated, the display surface of the display screen 1 is firstly installed and fixed between the four L-shaped elastic clamping plates 6 in the second placing groove 5 on the second screen cover 3, four corners of the display screen 1 can be clamped and fixed by using the four L-shaped elastic clamping plates 6, the display screen 1 can be fixed in the second placing groove 5, then the four inserting posts 8 on the second screen cover 3 are respectively inserted into the corresponding trapezoid slots 7, and the second screen cover 3 is slightly pushed to move towards the direction close to the first screen cover 2 by applying force, so that the clamping rods 10 on the four inserting posts 8 respectively slide on the inclined surface inner walls of the corresponding trapezoid slots 7, at this time, the four clamping rods 10 slide into the corresponding vertical grooves 9 respectively, the four springs 11 are compressed and deformed to generate elastic force, when the bottom ends of the four clamping rods 10 slide to the opening positions of the corresponding arc clamping grooves 12 respectively, the bottom ends of the four clamping rods 10 can be controlled to be respectively inserted into the corresponding arc clamping grooves 12 under the action of the elastic force of the four springs 11, namely, the second screen cover 3 is only buckled and fixed on the first screen cover 2, further, the quick installation operation of the display screen 1 is completed, when the display screen 1 needs to be disassembled and taken out, the second screen cover 3 is pulled to apply force in a direction away from the first screen cover 2, at this time, the bottom ends of the four clamping rods 10 slide out in the direction outside the corresponding arc clamping grooves 12 respectively, at this time, the four clamping rods 10 slide into the corresponding vertical grooves 9 respectively, the four springs 11 are compressed and deformed, when the bottoms of the four clamping rods 10 slide out of the corresponding arc clamping grooves 12 respectively, the second screen cover 3 can be detached from the first screen cover 2, then the display screen 1 is taken out from between the four L-shaped elastic clamping plates 6, and the quick detachment operation of the display screen 1 is completed.

In this embodiment, the bottom of the clamping rod 10 is formed by an arc surface, the bottom of the clamping rod 10 contacts with the bottom inner wall of the arc clamping groove 12, and the clamping rod 10 can smoothly slide on the inclined surface of the bottom inner wall of the trapezoid slot 7 by setting the bottom of the clamping rod 10 to be an arc surface, so that the second screen cover 3 and the first screen cover 2 can be assembled and fixed conveniently.

In this embodiment, the two side inner walls of the vertical groove 9 are provided with limit grooves, the two sides of the clamping rod 10 are fixedly provided with limit rods, the two limit rods are respectively and slidably installed in the corresponding limit grooves, and the sliding travel of the clamping rod 10 can be limited by utilizing the sliding connection cooperation of the limit rods in the limit grooves.

In this embodiment, a sealing gasket 13 is fixedly installed on the left inner wall of the first placement groove 4, the left side of the display screen 1 is in contact with the sealing gasket 13, and a gap between the first placement groove 4 and the display screen 1 can be sealed by using the sealing gasket 13, and it should be noted that the sealing gasket 13 is made of a silica gel material.

In this embodiment, the left inner wall of the first placing groove 4 is provided with a wiring through hole 14, the right inner wall of the second placing groove 5 is provided with a visual through hole 15, and the wiring through hole 14 is arranged, so that the wiring between the internal circuit of the protein staining instrument and the display screen 1 is facilitated.

In this embodiment, the outer wall of the second screen cover 3 is provided with anti-skidding lines, so that friction resistance between the fingers and the second screen cover 3 can be increased by arranging the anti-skidding lines, and a slipping phenomenon is not easy to occur when the second screen cover 3 is disassembled and assembled.

In this embodiment, as shown in fig. 6, the conventional display screen 1 is composed of a blue backlight 101, a lower polarizing plate 102, an array substrate 103, a liquid crystal layer 104, an upper substrate 105, and an upper polarizing plate, which are sequentially arranged from left to right; 106 and quantum excitation color film layer 107, which belongs to the conventional technical means in the prior art, and therefore will not be described in detail herein.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A liquid crystal display device of a protein staining instrument is characterized in that: including setting up display screen (1), first screen lid (2) and second screen lid (3) on the protein dyeing machine, the left side dress of first screen lid (2) is inlayed on the protein dyeing machine, first standing groove (4) have been seted up on the right side of first screen lid (2), second standing groove (5) have been seted up on the left side of second screen lid (3), the right side of display screen (1) is located in second standing groove (5), the left side of display screen (1) is located in first standing groove (4), the right side of first screen lid (2) is laminated with the left side of second screen lid (3) mutually, be provided with the centre gripping locating component that is used for clamping display screen (1) in first standing groove (4), four trapezoidal slot (7) that are two liang of symmetries and set up have been seted up on the right side of first screen lid (2), four the bottom inner wall of trapezoidal slot (7) is the inclined plane structure, the left side of second screen lid (3) is provided with four buckling mechanisms.

2. The liquid crystal display device of a protein staining apparatus according to claim 1 wherein: the clamping and positioning assembly comprises four L-shaped elastic clamping plates (6), the four L-shaped elastic clamping plates (6) are fixedly installed on the right inner wall of the second placing groove (5) and are symmetrically arranged in pairs, and the four L-shaped elastic clamping plates (6) are respectively contacted with four corners of the display screen (1).

3. The liquid crystal display device of a protein staining apparatus according to claim 1 wherein: the buckling mechanism comprises an inserting column (8), a clamping rod (10) and a spring (11), wherein the right end of the inserting column (8) is fixedly connected with the left side wall of the second screen cover (3), the left end of the inserting column (8) is slidably mounted in the trapezoid slot (7), a vertical slot (9) is formed in the bottom of the inserting column (8), the top end of the clamping rod (10) is slidably mounted in the vertical slot (9), the top end of the spring (11) is fixedly connected with the inner wall of the top of the vertical slot (9), the bottom end of the spring (11) is fixedly connected with the top end of the clamping rod (10), an arc-shaped clamping slot (12) is formed in the inner wall of the bottom of the trapezoid slot (7), and the bottom end of the clamping rod (10) extends into the arc-shaped clamping slot (12).

4. A liquid crystal display device of a protein staining apparatus according to claim 3 wherein: the bottom of the clamping rod (10) is formed by an arc-shaped surface, and the bottom of the clamping rod (10) is in contact with the inner wall of the bottom of the arc-shaped clamping groove (12).

5. A liquid crystal display device of a protein staining apparatus according to claim 3 wherein: limiting grooves are formed in the inner walls of the two sides of the vertical groove (9), limiting rods are fixedly mounted on the two sides of the clamping rod (10), and the two limiting rods are respectively and slidably mounted in the corresponding limiting grooves.

6. The liquid crystal display device of a protein staining apparatus according to claim 1 wherein: and a sealing gasket (13) is fixedly arranged on the inner wall of the left side of the first placing groove (4), and the left side of the display screen (1) is contacted with the sealing gasket (13).

7. The liquid crystal display device of a protein staining apparatus according to claim 1 wherein: a wiring through hole (14) is formed in the left inner wall of the first placing groove (4), and a visual through hole (15) is formed in the right inner wall of the second placing groove (5).

8. The liquid crystal display device of a protein staining apparatus according to claim 1 wherein: the outer wall of the second screen cover (3) is provided with anti-skid patterns.