Liquid crystal display screen protection device

Abstract

The utility model provides a liquid crystal display screen protection device which comprises a protection device body, a sinking groove is formed in the protection device body, a movable groove block is connected into the sinking groove in a sliding mode, a movable block is fixedly connected to one end of the movable groove block, a side groove is formed in the sinking groove, and the side groove is connected with the movable block in a sliding mode. A limiting plate is fixedly connected to the interior of the side groove, a two-way lead screw is connected to the interior of the moving block in a threaded mode, and the two-way lead screw penetrates through the moving block and extends to the exterior of the moving block. The protective device, the sinking groove, the moving groove blocks, the two-way lead screws, the moving blocks, the rotating shafts, the crossed push rods, the supporting plates, the telescopic rods and the springs are used in cooperation, so that a worker rotates the two-way lead screws to adjust the distance between the moving groove blocks, the device can adapt to liquid crystal display screens with different width sizes, and after the display screens are placed in, rollers are extruded to enable the crossed push rods to expand outwards.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially relates to a liquid crystal display screen protection device. BACKGROUND

[0002] With the mature development of display technology, display screen is more and more widely used in various public occasions. And display screen is fragile, in the process of transportation, handling, installation, after being impacted by external force, the corners of display screen are easy to be damaged, resulting in the whole display screen needing to be returned to the factory for repair.

[0003] At present, the internal space size of the traditional fixed frame type protection device is fixed, which can only adapt to the liquid crystal display screen of specific width. For the display screen with slightly different size, it is difficult to provide close fitting fixing effect. When transporting or moving, the display screen is easy to shake due to the excess space and frequently collide with the internal protection device, resulting in scratches, corner breakage and internal circuit looseness of the screen.

[0004] Therefore, it is necessary to provide a liquid crystal display screen protection device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model provides a liquid crystal display screen protection device, solve the problem that cannot be adjusted according to the actual thickness of display screen.

[0006] In order to solve the above technical problems, the utility model provides a liquid crystal display screen protection device, which comprises: a protection device, a sunken groove is formed in the protection device, a moving groove block is slidably connected in the sunken groove, a moving block is fixedly connected to one end of the moving groove block, a side groove is formed in the sunken groove, the side groove is slidably connected with the moving block, a limiting plate is fixedly connected in the side groove, a bidirectional screw rod is threadedly connected in the moving block, the bidirectional screw rod penetrates through the moving block and extends to the outside of the moving block, the limiting plate is movably connected with the bidirectional screw rod, a round rod is fixedly connected to the inner wall of the side groove, the round rod is slidably connected with the moving block, a cross groove is formed in one end of the bidirectional screw rod, a cross block is inserted into the cross groove, a crank handle is fixedly connected to one end of the cross block, a rotating shaft is fixedly connected in the moving groove block, a cross push rod is movably connected to the outside of the rotating shaft, a cross shaft is movably connected in the cross push rod, the cross shaft penetrates through the cross push rod and extends to the outside of the cross push rod, a roller shaft is movably connected in the other end of the cross push rod, a roller is fixedly connected to one end of the roller shaft, a telescopic rod is fixedly connected to the top of the moving groove block, a spring is arranged on the outside of the telescopic rod, and a supporting plate is fixedly connected to the other end of the telescopic rod.

[0007] Preferably, the protective device is externally hinged with a protective cover, the protective cover has a viewing groove on its exterior, a concave groove frame is fixedly connected to one side of the protective cover, a viewing plate is inserted inside the concave groove frame, a horizontal block is inserted inside the concave groove frame, a magnetic groove is opened on one side of the horizontal block, a magnetic block is fixedly connected inside the magnetic groove, an iron sheet is fixedly connected to one side of the concave groove frame, a horizontal plate is fixedly connected to the exterior of the horizontal block, and a handle is fixedly connected to the exterior of the horizontal plate.

[0008] Preferably, a locking block is fixedly connected to one side of the protective cover, a pin frame is fixedly connected to the outside of the protective device, and a spring pin is provided inside the pin frame.

[0009] Preferably, a maintenance box is fixedly connected to the outside of the protective device, and a cover is hinged to the top of the maintenance box.

[0010] Preferably, a sponge block is fixedly connected to the inner wall of the protective device, and an adhesive strip is fixedly connected to one side of the protective cover.

[0011] Preferably, the protective device has heat dissipation holes on its exterior.

[0012] Compared with related technologies, the LCD screen protection device provided by this utility model has the following beneficial effects:

[0013] This utility model provides a protective device for LCD screens. The device, consisting of a protective device, a recess, a movable block, a bidirectional lead screw, a movable block, a rotating shaft, a cross push rod, a support plate, a telescopic rod, and a spring, works in conjunction to allow personnel to adjust the distance between the movable blocks by rotating the bidirectional lead screw. This allows for the adaptation of LCD screens of different widths. When the screen is placed inside, the compression rollers cause the cross push rod to expand outwards, while the telescopic rod and spring compress. Utilizing the elastic restoring force of the springs and the mechanical structure characteristics of the cross push rods, the device automatically adjusts and provides appropriate clamping force, stably fixing the screen inside the protective device and preventing damage from collisions during transportation or movement. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of the LCD screen protection device provided by this utility model;

[0015] Figure 2 for Figure 1 The side sectional view shown is shown below;

[0016] Figure 3 for Figure 2 The enlarged schematic diagram of part A shown below;

[0017] Figure 4 for Figure 1 The diagram shows the internal structure.

[0018] Figure 5 As Figure 1 shown in the exploded structural schematic view;

[0019] Figure 6 As Figure 5 shown in the enlarged view of part B;

[0020] Figure 7 As Figure 5 shown in the enlarged view of part C.

[0021] Figure label: 1, protective device, 2, sink, 3, moving groove block, 4, moving block, 5, side groove, 6, limit plate, 7, bidirectional screw rod, 8, round rod, 9, cross slot, 10, cross block, 11, crank, 12, rotating shaft, 13, cross push rod, 14, cross shaft, 15, roller, 16, roller, 17, telescopic rod, 18, spring, 19, support plate, 20, protective cover, 21, perspective slot, 22, concave slot frame, 23, perspective plate, 24, cross block, 25, magnetic slot, 26, magnetic block, 27, iron sheet, 28, cross plate, 29, pull handle, 30, lock block, 31, pin holder, 32, spring pin, 33, maintenance box, 34, box cover, 35, sponge block, 36, rubber strip, 37, heat dissipation hole. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , wherein, Figure 1 the structure schematic view of a preferred embodiment of the liquid crystal display screen protection device provided by the utility model; Figure 2 is Figure 1 the side sectional view schematic view; Figure 3 is Figure 2 the enlarged view of part A; Figure 4 is Figure 1 the internal structure schematic view; Figure 5 is Figure 1 the exploded structural schematic view; Figure 6 is Figure 5 the enlarged view of part B; Figure 7 is Figure 5The enlarged schematic view of the C part is shown. The liquid crystal display protection device comprises a protection device 1, a sunken groove 2 is opened in the protection device 1, a moving groove block 3 is slidably connected in the sunken groove 2, a moving block 4 is fixedly connected at one end of the moving groove block 3, a side groove 5 is opened in the sunken groove 2, the side groove 5 is slidably connected with the moving block 4, a limiting plate 6 is fixedly connected in the side groove 5, a two-way screw rod 7 is threadedly connected in the moving block 4, the two-way screw rod 7 penetrates through the moving block 4 and extends to the outside of the moving block 4, the limiting plate 6 is movably connected with the two-way screw rod 7, a round rod 8 is fixedly connected with the inner wall of the side groove 5, the round rod 8 is slidably connected with the moving block 4, a cross groove 9 is opened at one end of the two-way screw rod 7, a cross block 10 is inserted in the cross groove 9, a crank 11 is fixedly connected at one end of the cross block 10, a rotating shaft 12 is fixedly connected in the moving groove block 3, a cross push rod 13 is movably connected with the outside of the rotating shaft 12, a cross shaft 14 is movably connected in the cross push rod 13, the cross shaft 14 penetrates through the cross push rod 13 and extends to the outside of the cross push rod 13, a roller shaft 15 is movably connected at the other end of the cross push rod 13, a roller 16 is fixedly connected at one end of the roller shaft 15, a telescopic rod 17 is fixedly connected at the top of the moving groove block 3, a spring 18 is arranged on the outside of the telescopic rod 17, and a supporting plate 19 is fixedly connected at the other end of the telescopic rod 17.

[0024] The sunken groove 2 in the protection device 1 provides a sliding space for the moving groove block 3, the moving block 4 at one end of the moving groove block 3 is threadedly connected with the two-way screw rod 7 and slidably connected with the round rod 8 in the side groove 5, the limiting plate 6 in the side groove 5 supports the two-way screw rod 7, the two-way screw rod 7 can be rotated by the crank 11 through the cross block 10 and the cross groove 9 to adjust the distance between the moving groove blocks 3, the rotating shaft 12 in the moving groove block 3 supports the cross push rod 13 to rotate around it, the cross shaft 14 stabilizes the cross push rod 13, the roller shaft 15 is connected with the cross push rod 13 and has the roller 16 at one end, and after contacting with the display screen, the external force is transmitted to the telescopic rod 17 through the cross push rod 13, so that the telescopic rod 17 is retracted and the spring 18 is compressed, the spring 18 buffers and absorbs shock by using elastic potential energy, and the supporting plate 19 uniformly transmits the force of the spring 18 to the display screen to support the display screen.

[0025] The protection device 1 is hingedly connected with a protection cover 20, a perspective groove 21 is opened in the outside of the protection cover 20, a concave groove frame 22 is fixedly connected on one side of the protection cover 20, a perspective plate 23 is inserted in the concave groove frame 22, a cross block 24 is inserted in the concave groove frame 22, a magnetic groove 25 is opened on one side of the cross block 24, a magnetic block 26 is fixedly connected in the magnetic groove 25, an iron sheet 27 is fixedly connected on one side of the concave groove frame 22, a cross plate 28 is fixedly connected on the outside of the cross block 24, and a pull handle 29 is fixedly connected on the outside of the cross plate 28.

[0026] The protective cover 20 outside the protective device 1 can be opened and closed by hinging, and the perspective slot 21 outside the protective cover 20 facilitates observation of the inside, the recessed slot frame 22 on one side of the protective cover 20 is used for inserting the perspective plate 23 to protect the internal display screen while not affecting visibility, the recessed slot frame 22 can also insert the cross block 24, the magnetic block 26 in the magnetic slot 25 on one side of the cross block 24 magnetically adheres to the iron sheet 27 on one side of the recessed slot frame 22, thereby fixing the cross block 24, the cross plate 28 outside the cross block 24 and the pull handle 9 facilitate the user to operate the cross block 24 to realize the inserting and pulling action, and facilitate the installation, replacement or maintenance of the perspective plate 23 and the like.

[0027] The lock block 30 is fixedly connected on one side of the protective cover 20, the pin rack 31 is fixedly connected outside the protective device 1, and the spring pin 32 is arranged inside the pin rack 31.

[0028] The lock block 30 on one side of the protective cover 20 cooperates with the pin rack 31 fixedly connected outside the protective device 1 to prevent accidental opening, effectively protect the internal liquid crystal display screen from interference or damage from external factors, and enhance the safety and stability of the overall protective device.

[0029] The maintenance box 33 is fixedly connected outside the protective device 1, and the box cover 34 is hingedly connected to the top of the maintenance box 33.

[0030] The maintenance box 33 provides a convenient space for storage and maintenance of internal parts of the protective device, which can be used to store spare parts such as spare springs, ratchets, cross push rods and the like, and the box cover 34 can be flexibly opened and closed, and when in normal use, the box cover 34 is closed to prevent internal items from falling or being contaminated by dust, water vapor and the like.

[0031] The sponge block 35 is fixedly connected to the inner wall of the protective device 1, and the adhesive tape 36 is fixedly connected on one side of the protective cover 20.

[0032] The sponge block 35 provides additional cushioning protection to prevent the display screen from being scratched or damaged by collision when subjected to external force impact or vibration due to direct contact with the inner wall of the protective device 1, and the adhesive tape 36 tightly fits the edge of the protective device when the protective cover is closed, thereby sealing the protective device 1 and preventing dust, water vapor and other impurities from entering the inside of the protective device 1.

[0033] The protective device 1 is provided with a heat dissipation hole 37.

[0034] The heat dissipation hole 37 enables the internal hot air of the protective device 1 to exchange with the external air to form air convection, thereby effectively conducting the heat generated by the display screen to the external environment and maintaining the internal temperature of the protective device 1 within a more suitable range.

[0035] The working principle of the liquid crystal display screen protection device is as follows: firstly, the two-way screw rod 7 is rotated, and due to the threaded connection of the two-way screw rod 7 and the moving block 4 and the sliding connection of the other moving block 4 and the fixed circular rod 8, the two moving groove blocks 3 are relatively moved in the sink groove 2, so that the distance adapted to the width of the liquid crystal display screen to be placed is adjusted, then the liquid crystal display screen is placed into the protection device 1, the display screen will extrude the roller 16, the roller 16 is forced to push the cross push rod 13 outwardly expanding around the rotating shaft 12 through the roller shaft 15, and then the telescopic rod 17 is driven to contract, so that the spring 18 is compressed, the elastic restoring force of the spring 18 and the mechanical structure characteristics of the cross push rod 13 generate multi-directional clamping force, the display screen is stably fixed in the protection device 1, and finally, when the protection device 1 is impacted from outside, the impact force is transmitted to the display screen, the display screen acts on the roller 16, and then the linkage structure composed of the cross push rod 13, the telescopic rod 17 and the spring 18, and the spring 18 absorbs and disperses the impact force through telescopic deformation, so that the liquid crystal display screen is effectively protected from damage.

[0036] Compared with the related art, the liquid crystal display screen protection device has the following beneficial effects:

[0037] The liquid crystal display screen protection device is provided with the protection device 1, the sink groove 2, the moving groove block 3, the two-way screw rod 7, the moving block 4, the rotating shaft 12, the cross push rod 13, the supporting plate 19, the telescopic rod 17 and the spring 18, which are used in cooperation with each other, so that the distance between the moving groove blocks 3 can be adjusted by rotating the two-way screw rod 7, different width sizes of the liquid crystal display screen can be adapted, after the display screen is placed, the roller 16 is extruded to make the cross push rod 13 expand outwardly, the telescopic rod 17 and the spring 18 are compressed, the elastic restoring force of the spring 18 and the mechanical structure characteristics of the cross push rod 13 can automatically adjust and provide appropriate clamping force, the display screen is stably fixed in the protection device 1, and the display screen is prevented from being damaged due to shaking and colliding with the inside of the protection device 1 during transportation or movement.

[0038] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A protective device for a liquid crystal display screen, characterized in that, include: The protective device includes a recessed groove inside, a movable block slidably connected inside the recessed groove, and a fixedly connected movable block at one end of the movable block. A side groove is also formed inside the recessed groove, slidably connected to the movable block. A limiting plate is fixedly connected inside the side groove. A double-ended lead screw is threaded inside the movable block, passing through the movable block and extending to its exterior. The limiting plate is movably connected to the double-ended lead screw. A round rod is fixedly connected to the inner wall of the side groove, slidably connected to the movable block. One end of the double-ended lead screw has a... A cross groove is provided, in which a cross block is inserted. A crank is fixedly connected to one end of the cross block. A rotating shaft is fixedly connected to the inside of the movable groove block. A cross push rod is movably connected to the outside of the rotating shaft. A cross shaft is movably connected to the inside of the cross push rod. The cross shaft passes through the cross push rod and extends to the outside of the cross push rod. A roller is movably connected to the other end of the cross push rod. A roller is fixedly connected to one end of the roller. A telescopic rod is fixedly connected to the top of the movable groove block. A spring is provided on the outside of the telescopic rod. A support plate is fixedly connected to the other end of the telescopic rod.

2. The liquid crystal display screen protection device according to claim 1, characterized in that, The protective device is externally hinged with a protective cover, which has a viewing groove on its exterior. A concave frame is fixedly connected to one side of the protective cover, and a viewing plate is inserted inside the concave frame. A horizontal block is inserted inside the concave frame, and a magnetic groove is opened on one side of the horizontal block. A magnetic block is fixedly connected inside the magnetic groove. An iron sheet is fixedly connected to one side of the concave frame. A horizontal plate is fixedly connected to the exterior of the horizontal block, and a handle is fixedly connected to the exterior of the horizontal plate.

3. The liquid crystal display screen protection device according to claim 2, characterized in that, A locking block is fixedly connected to one side of the protective cover, and a pin frame is fixedly connected to the outside of the protective device. A spring pin is provided inside the pin frame.

4. The liquid crystal display screen protection device according to claim 1, characterized in that, A maintenance box is fixedly connected to the outside of the protective device, and a cover is hinged to the top of the maintenance box.

5. The liquid crystal display screen protection device according to claim 2, characterized in that, A sponge block is fixedly connected to the inner wall of the protective device, and an adhesive strip is fixedly connected to one side of the protective cover.

6. The liquid crystal display screen protection device according to claim 1, characterized in that, The protective device has heat dissipation holes on its exterior.

Images