CN204287660U - liquid crystal screen fixing device and display - Google Patents

Abstract

The utility model discloses a liquid crystal screen fixing device and a display, wherein, the liquid crystal screen fixing device includes a front shell and a middle frame connected with the front shell to fix the liquid crystal screen, the middle frame includes a plurality of frames, and a L-shaped setting; the front shell is provided with a side wall at the position corresponding to the frame, and the frame includes a buckle surface and a top surface oppositely arranged. A guide groove is formed between them; the side wall includes a front plate and a guide rail and a buckle protruding from the front plate. The side of the buckle facing the buckle surface is buckled with the buckle surface of the guide groove to fix the front case and the middle frame. The utility model has the effect of high assembly efficiency of the front shell and the middle frame.

Description

LCD Fixtures and Monitors

technical field

The utility model relates to the display field, in particular to a liquid crystal screen fixing device and a display.

Background technique

The display includes a liquid crystal screen and a liquid crystal screen fixing device for fixing the liquid crystal screen. The liquid crystal screen fixing device includes a front shell and a middle frame fixed with the front shell. However, the existing front case and middle frame are usually fixed by bolts, and the bolts need to be put into the screw holes on the assembly line, and then the bolts are tightened. Therefore, the assembly efficiency of the front shell and the middle frame of the existing liquid crystal screen fixing device is low.

Utility model content

The main purpose of the utility model is to provide a liquid crystal screen fixing device and a display, aiming at improving the assembly efficiency of the front case and the middle frame.

The liquid crystal screen fixing device provided by the utility model, the liquid crystal screen fixing device includes a front case and a middle frame connected with the front case to fix the liquid crystal screen, the middle frame includes a plurality of frames, and the middle frame between two adjacent frames The center is L-shaped; the front shell is provided with a side wall at a position corresponding to the frame, and the frame includes a buckle surface and a top surface oppositely arranged, and the buckle surface and the top surface are both along the length of the frame to which they belong. Extending in the direction, a guide groove is formed between the buckle surface and the top surface; the side wall includes a front plate and a guide rail and a buckle protruding from the front plate, and the guide rail and the buckle are connected to the corresponding frame. The guide groove is plugged in, the side of the guide rail facing the abutting surface is abutted against the abutting surface of the guide groove, the side of the hook facing the buckle surface is buckled with the buckle surface of the guide groove, To fix the front shell and middle frame.

Preferably, a plurality of frames of the middle frame are enclosed in a closed shape, and at least one frame is provided with a deformed notch for giving way.

Preferably, a plurality of frames of the middle frame are enclosed in a "匚" shape, and a frame connected between the two frames is provided with a deformation gap.

Preferably, the deformation notch on the frame divides the frame into two sections.

Preferably, the liquid crystal screen fixing device further includes an elastically deformable soft part, and the soft part is arranged in the deformation notch in a compressed state.

Preferably, a side of the guide rail facing the buckle surface abuts against the buckle surface when the guide rail is inserted into the guide groove.

Preferably, the guide rails and the clasps are arranged alternately along the extending direction of the corresponding guide groove, and there is a gap between the clasps and the adjacent guide rails.

Preferably, a disassembly hole is provided at the bottom of the guide groove, and the disassembly hole is set corresponding to the position of the hook of the side wall.

Preferably, the buckle surface is formed with a buckle recessed away from the abutment surface, and the buckle engages with the hook portion of the buckle when the buckle is inserted into the guide groove.

Preferably, the frame includes a bottom plate, an inner side plate and an outer side plate connected to the bottom plate and extending toward the corresponding side wall, the side of the outer side plate facing away from the inner side plate is an appearance surface, and the guide groove Formed between the inner side plate and the outer side plate, the side of the outer side plate forming the guide groove is the buckle surface, and the side of the inner side plate forming the guide groove is the abutting surface;

The side of the front plate of the front shell facing away from the bottom plate is the exterior surface, the front plate is abutted against the extended end of the outer side plate, the guide rail and the buckle are connected with the front plate and move toward the middle Box extended.

Preferably, the guide rail includes a base plate; one side of the base plate abuts against the buckle surface, and the other side is provided with ribs, and the ribs abut against the abutment surface.

The display provided by the utility model includes a liquid crystal screen and a liquid crystal screen fixing device fixed to the liquid crystal screen, and the liquid crystal screen fixing device is the above-mentioned liquid crystal screen fixing device.

In the liquid crystal screen fixing device and display provided by the utility model, in the process of connecting the adjacent two sides of the middle frame in an L shape and assembling them on one side wall and the other side wall of the front case respectively, the guide rail of one frame and the other side wall are first connected The hook is aligned with the guide groove of the one frame and inserted, and then the guide rail and hook of the other frame are aligned with the guide groove of the other frame and inserted to complete the assembly. After the assembly is completed, the buckle hook of one side wall abuts against the buckle surface to limit the movement of a frame towards the buckle surface and the movement of entering and exiting the guide groove; The movement of the top surface; therefore, after assembly, a frame can only move along the extension direction of the guide groove, that is, the length direction of a frame. Similarly, when the other frame is assembled with the other side wall, the other frame can only move along the length direction of the other frame. And because one frame and the other frame are connected in an L shape, the one frame and the other frame will be mutually restrained and fixed. That is, the connection between one frame and the other frame in an L-shape connected to each other will become a fixed point, so that one frame is fixed to one side wall, and the other frame is fixed to the other side wall.

It can be seen from the above that the liquid crystal screen fixing device and the display provided by the utility model only need to align and insert each frame of the middle frame with the corresponding side wall of the front case to complete the fixing of the middle frame and the front case. Therefore, the liquid crystal screen fixing device and the display provided by the utility model have the effect of facilitating the assembly of the middle frame and the front case.

Description of drawings

Fig. 1 is the assembly schematic diagram of an embodiment of the utility model display;

Fig. 2 is the explosion schematic diagram of the display in Fig. 1;

Fig. 3 is a schematic cross-sectional view of A-A direction in Fig. 1;

Fig. 4 is an explosion schematic diagram of the front shell and the middle frame shown in Fig. 3;

Fig. 5 is the sectional schematic view of B-B direction in Fig. 1;

Figure 6 is an enlarged schematic view of area C in Figure 1;

FIG. 7 is an enlarged schematic diagram of area D in FIG. 2 .

The realization, functional features and advantages of the utility model will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, not to limit the utility model.

The utility model provides a liquid crystal screen fixing device and a display adopting the liquid crystal screen fixing device. In order to be able to describe the technical features and effects of the liquid crystal screen fixing device more clearly, this embodiment will be described in detail using the display with the above liquid crystal screen fixing device.

Please refer to FIG. 1 , in this embodiment, the display includes a liquid crystal screen 2 and a liquid crystal screen fixing device 1 for fixing the liquid crystal screen 2 .

Please refer to FIG. 2 , the liquid crystal screen fixing device 1 includes a front case 11 and a middle frame 12 connected with the front case 11 to fix the liquid crystal screen 2 . The middle frame 12 includes a plurality of frames, and the space between two adjacent frames 121 is arranged in an L shape. Preferably, the multiple frames include a first frame 121 , a second frame 122 and a third frame 123 . Wherein, the first frame 121 is connected to the second frame 122 to form an L shape, and the second frame 122 is connected to the third frame 123 to form an L shape. The front case 11 is provided with a side wall 111 at a position corresponding to each frame 121. Preferably, the front case 11 includes a first side wall 111, a second side wall 112 and a third side wall 113 adjacent to each other. The first side wall 111 and the third side wall 113 are located on opposite sides. Wherein, the first frame 121 corresponds to the first side wall 111 , the second frame 122 corresponds to the second side wall 112 , and the third frame 123 corresponds to the third side wall 113 . In this embodiment, a plurality of borders of the middle frame 12 are enclosed in the shape of "匚". Of course, in other embodiments, the middle frame 12 can also be four borders, which can be connected end to end to form a "mouth" shape; then The front case 11 can also be such that each frame only corresponds to one side wall.

In order to illustrate the features and beneficial effects of this solution more clearly, the structure connecting the L-shaped first frame 121 and the second frame 122 and the structure of the front case 11 are described in detail below.

Please refer to FIG. 3 to FIG. 5 in combination, the first frame 121 includes a buckle surface 31 and an abutment surface 32 oppositely arranged, and the buckle surface 31 and the abutment surface 32 both extend along the length direction of the first frame 121. A guiding groove 3 is formed between the buckle surface 31 and the abutting surface 32 . The first side wall 111 includes a front panel 1113 , a guide rail 1111 and a hook 1112 protruding from the front panel 1113 , and the guide rail 1111 and the hook 1112 are plugged into the corresponding guide groove 3 of the first frame 121 . The side of the guide rail 1111 facing the abutting surface 32 is abutted against the abutting surface 32 of the guide groove 3 , and the side of the hook 1112 facing the buckle surface 31 is abutted against the buckle surface 31 of the guide groove 3 Snap together. Preferably, the buckle surface 31 is formed with a buckle 311 recessed away from the abutment surface 32 , and the buckle 311 is compatible with the buckle 1112 when the buckle 1112 is inserted into the guide groove 3 . The hook portion 11121 is fastened to fix the front case 11 and the middle frame 12 . There is a clearance gap 4 between the hook 1112 and the abutting surface 32 for elastic deformation of the hook 1112 . The clearance gap 4 is used to provide the space required for the elastic deformation of the hook 1112 , so that the hook 1112 can be elastically deformed and inserted into the guide groove 3 , and is engaged with the buckle surface 31 when the hook 1112 recovers its elasticity.

The second frame 122 and the corresponding second side wall 112 have the same matching structure, which will not be repeated here.

In the process of assembling the first frame 121 and the second frame 122 of the middle frame 12 to the first side wall 111 and the second side wall 112 of the front case 11 respectively, the guide rail 1111 of the first frame 121 and the buckle The hook 1112 is aligned with the guide groove 3 of the first frame 121 and inserted, and then the guide rail 1111 and the hook 1112 of the second frame 122 are aligned with the guide groove 3 of the second frame 121 and inserted to complete the assembly. After the assembly is completed, the buckle 1112 of the first side wall 111 abuts against the buckle surface 31 to limit the movement of the first frame 121 toward the buckle surface 31 and the movement of entering and exiting the guide groove 3; The abutment of the top surface 32 will limit the movement of the first frame 121 toward the top surface 32 ; therefore, after assembly, the first frame 121 can only move along the extension direction of the guide groove 3 , that is, the length direction of the first frame 121 . Similarly, when the second frame 122 is assembled with the second side wall 112 , the second frame 122 can only move along the length direction of the second frame 122 . Furthermore, since the first frame 121 and the second frame 122 are connected in an L shape, the first frame 121 and the second frame 122 will be mutually restrained and fixed. That is, the connection between the L-shaped first frame 121 and the second frame 122 that are connected to each other will become a fixed point, so that the first frame 121 and the first side wall 111 are fixed, and the second frame 122 is connected to the second side wall. 112 fixed.

The fixing method of the third frame 123 and the third side wall 113 is the same as above, and will not be repeated here. When the first frame 121 , the second frame 122 and the third frame 123 of the middle frame 12 are fixed to the corresponding side walls, the middle frame 12 is fixed to the front case 11 . As can be seen from the above, the liquid crystal screen fixing device 1 and the display provided in this embodiment only need to align and insert each frame of the middle frame 12 with a side wall of the corresponding front case 11, and then complete the alignment of the middle frame 12 and the front shell 11. The shell 11 is fixed. Therefore, this embodiment has the effect of facilitating the assembly of the middle frame 12 and the front case 11 .

Furthermore, when the middle frame 12 and the front shell 11 are made of different materials and have different thermal expansion rates, and the liquid crystal screen of the display will emit a large amount of heat during operation, then the first frame 121 and the first side wall 111 will generate heat. Relative movement along the length direction of the first frame 121 . In this embodiment, only the connection between the first frame 121 and the second frame 122 is a fixed point, and the opposite end of the first frame 121 to the connection is a free end, and the free end is not constrained and can move along the first The length direction of the frame 121 moves, so as to avoid deformation or breakage of the fixing structure between the first frame 121 and the front shell 11 caused by expansion and contraction. Similarly, the third frame 123 has a free end, and the third frame 123 can also avoid deformation or breakage caused by expansion and contraction.

Please refer to FIG. 7 , in order to avoid damage to the second frame 122 whose two ends are respectively connected to the first frame 121 and the third frame 123 , preferably, the second frame 122 is provided with a deformation notch 8 . The second frame 122 can move along the length direction of the second frame 122 by deforming the notch 8 . Preferably, the deformation notch 8 on the second frame 122 divides the second frame 122 into two sections.

Please refer to FIG. 6 and FIG. 7 in combination. Preferably, the liquid crystal screen fixing device 1 further includes an elastically deformable soft piece 9, and the soft piece 9 is compressed and arranged on the deformation of the second frame 122. Inside the notch 8. The soft part 9 can fill the deformation gap 8 to prevent sundries and the like from entering the deformation gap 8 , causing the deformation gap 8 of the second frame 122 to be stuck, so that the second frame 122 loses the ability to deform.

In this embodiment, each frame has the same structure and matching features as the corresponding side wall. For the sake of brevity, the structural features and matching features of the first frame 121 and the first side wall 111 are used as an example for illustration below.

Preferably, the side of the guide rail 1111 facing the buckle surface 31 abuts against the buckle surface 31 when the guide rail 1111 is plugged into the guide groove 3 . Then, through the cooperation of the guide rail 1111 and the guide groove 3, the movement of the first side wall 111 towards the buckle surface 31 can be restrained, thereby reducing the force that the buckle hook 1112 is subjected to from the buckle surface 31 toward the top surface 32. 1112 is separated from the buckle surface 31 to cause the buckle hook 1112 to escape from the guide groove 3 .

Preferably, the guide rails 1111 of the first side wall 111 and the hooks 1112 are arranged alternately along the extending direction of the corresponding guide groove 3 , and there is a gap 5 between the hooks 1112 and the adjacent guide rails 1111 . The gap 5 can prevent the guide rail 1111 from providing support to the hook 1112 , so that the hook 1112 is easily deformed.

Preferably, a disassembly hole 6 is provided at the bottom of the guide groove 3 of the first frame 121 , and the disassembly hole 6 is set corresponding to the position of the hook 1112 of the first side wall 111 . When it needs to be disassembled, the buckle 1112 can be moved through the dismantling hole 6 by a tool, so that the buckle 1112 is separated from the buckle surface 31 . To achieve the effect of easy disassembly.

In this embodiment, the first frame 121 includes a bottom plate 1211, an inner side plate 1212 and an outer side plate 1213 connected to the bottom plate 1211 and extending toward the corresponding first side wall 111, and the outer side plate 1213 faces away from the One side of the inner side plate 1212 is an exterior surface. The appearance surface is a surface that can be directly viewed by the user. The appearance surface of the display includes a front surface with a display function, a back surface opposite to the front surface, and a peripheral surface connected between the periphery of the front surface and the periphery of the back surface. Preferably, the appearance surface of the outer side plate 1213 forms the peripheral surface. The guide groove 3 is formed between the inner side plate 1212 and the outer side plate 1213, the side of the outer side plate 1213 forming the guide groove 3 is the buckle surface 31, and the inner side plate 1212 forms the guide groove 31. One side of the groove 3 is the abutting surface 32 . The side opposite to the appearance surface of the outer side plate 1213 forms a guide groove 3 for matching with the front case, so the matching structure between the middle frame 12 and the front case 11 is set close to the appearance surface of the middle frame 12, thereby having the effect of a narrow frame, which is beneficial to ultra-narrow Border design.

The first side wall 111 of the front shell 11 includes a front panel 1113 opposite to the bottom panel 1211 , and a side of the front panel 1113 facing away from the bottom panel 1211 is an appearance surface. Preferably, the appearance surface of the front panel 1113 together with the liquid crystal screen forms the front of the display. The front panel 1113 abuts against the extended end of the outer panel 1213 , and the guide rail 1111 and the hook 1112 are connected to the front panel 1113 and extend toward the middle frame 12 . Similarly, the opposite surface of the front panel 1113 forms a guide rail 1111 and a hook 1112 that cooperate with the middle frame, so that the matching structure of the front case 11 and the middle frame 12 is arranged close to the appearance surface of the front case 11, thereby having a thickness. Thin effect is conducive to the design of ultra-thin body.

Preferably, the guide rail 1111 includes a base plate 11111; one side of the base plate 11111 abuts against the buckle surface 31, and the opposite side is provided with ribs 11112, and the ribs 11112 abut against the abutment surface 32 . The structural strength of the substrate 11111 can be improved by adding ribs 11112 to prevent the substrate 11111 from bending. Of course, in other embodiments, the guide rail 1111 can also have other structures, for example, ribs are provided on both sides of the base plate 11111 .

In this embodiment, the bottom plate 1211 extends to the inner side of the inner side plate 1212 facing away from the outer side plate 1213 , and the bottom plate 1211 is on the inner side of the inner side plate 1212 opposite to the front plate 1113 A mounting groove 7 is formed therebetween, and the mounting groove 7 is used for inserting with the edge of the liquid crystal screen 2 to fix the liquid crystal screen 2 .

The above are only preferred embodiments of the utility model, and do not limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model description and the accompanying drawings may be directly or indirectly used in other related technical fields. , are similarly included in the scope of patent protection for utility models.

Claims (10)

1. A liquid crystal screen fixing device, the liquid crystal screen fixing device includes a front shell and a middle frame connected with the front shell to fix the liquid crystal screen, the middle frame includes a plurality of frames, and between two adjacent frames It is arranged in an L shape; the front shell is provided with a side wall at a position corresponding to the frame. The length direction of the frame extends, and a guide groove is formed between the buckle surface and the top surface; the side wall includes a front plate, a guide rail and a buckle protruding from the front plate, and the guide rail and the buckle are connected with The guide groove of the corresponding frame is plugged, the side of the guide rail facing the abutting surface is abutted against the abutting surface of the guide groove, and the side of the hook facing the buckle surface is connected to the buckle surface of the guide groove Snaps together to secure the front case and midframe. 2 . The liquid crystal screen fixing device according to claim 1 , wherein a plurality of frames of the middle frame are enclosed in a closed shape, and at least one frame is provided with a deformed notch for giving way. 3 . 3 . The liquid crystal screen fixing device according to claim 1 , wherein a plurality of frames of the middle frame are enclosed in a “匚” shape, and a deformation gap is provided on a frame connected between the two frames. 4 . 4. The liquid crystal screen fixing device according to claim 2 or 3, characterized in that, the liquid crystal screen fixing device further comprises elastically deformable soft parts, and the soft parts are compressed and arranged on the deformable parts. inside the gap. 5 . The liquid crystal screen fixing device according to claim 1 , wherein the guide rails and the hooks are arranged alternately along the extending direction of the corresponding guide grooves, and there is a gap between the hooks and adjacent guide rails. 6 . 6 . The liquid crystal screen fixing device according to claim 1 , wherein a disassembly hole is provided at the bottom of the guide groove, and the disassembly hole is provided corresponding to the position of the hook on the side wall. 7 . 7. The liquid crystal screen fixing device according to claim 1, characterized in that, the buckle surface is formed with a buckle point facing away from the top surface, and the buckle position is inserted between the buckle hook and the guide groove. When connected, it is fastened with the hook part of the buckle. 8. The liquid crystal screen fixing device according to claim 1, wherein the frame comprises a bottom plate and an inner side plate and an outer side plate connected to the bottom plate and extending toward the corresponding side wall, and the outer side plate faces away from the One side of the inner side plate is the appearance surface, the guide groove is formed between the inner side plate and the outer side plate, the side of the outer side plate forming the guide groove is the buckle surface, and the inner side plate The side forming the guide groove is the abutting surface; The side of the front plate of the front shell facing away from the bottom plate is the exterior surface, the front plate is abutted against the extended end of the outer side plate, the guide rail and the buckle are connected with the front plate and move toward the middle Box extended. 9. The liquid crystal screen fixing device as claimed in claim 1, wherein the guide rail comprises a base plate; one side of the base plate abuts against the buckle surface, and the other side is provided with ribs, and the ribs are aligned with the buckle surface. Reach the top and face the top. 10. A display, the display comprising a liquid crystal screen and a liquid crystal screen fixing device fixed with the liquid crystal screen, characterized in that, the liquid crystal screen fixing device is the liquid crystal screen fixing device described in any one of claims 1 to 9 device.