Connecting assembly for back plate and frame of liquid crystal display

Abstract

The utility model relates to the technical field of display back plate assembly, in particular to a liquid crystal display back plate and frame connecting assembly which comprises a back plate and a frame, the frame is sleeved and matched with the outer side of the edge of the back plate in a matched mode, a plurality of protruding plates are arranged on the inner side of the frame in a surrounding mode, and a plurality of steel needles are evenly arranged on the protruding plates. The back plate is provided with a plurality of rectangular cavities sequentially aligned with the protruding plates in position, and magnetic buckle devices capable of being connected with the steel needles in a buckled mode are arranged in the rectangular cavities. According to the utility model, the back plate and the frame can be conveniently assembled and connected, meanwhile, the disassembly operation can be conveniently carried out, and the overall working efficiency is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of display back panel assembly, in particular to a connection assembly between a liquid crystal display back panel and a frame. Background Art

[0002] The back panel and frame of the LCD display are generally produced by injection molding or stamping, bending and other processes. Different materials correspond to different production processes. The back panel and frame of the LCD display are important components of the LCD display and are the main structure of the display. They support the whole display. At the same time, they not only provide structural support, but also are used to carry the backlight source and other electronic components to ensure the normal operation of the display.

[0003] The connection between the existing LCD back panel and the frame is mainly through snap connection and screw connection, and the specifications of the screws used for assembly connection are diverse, which makes it easy for them to be missed or missing, making the assembly and connection process or disassembly process of the LCD back panel and the frame more cumbersome and the overall efficiency low.

[0004] To this end, we propose a connection component between a liquid crystal display back panel and a frame to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a connection assembly between a back plate and a frame of a liquid crystal display.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] The connecting component between the back panel and the frame of the liquid crystal display includes a back panel and a frame. The frame is fitted and matched with the outer edge of the back panel. A number of convex plates are arranged around the inner side of the frame. A number of steel needles are evenly arranged on the convex plates. The back panel is provided with a number of rectangular cavities that are aligned with the number of convex plates in sequence. A magnetic buckle device is provided in the rectangular cavity that can be connected with the steel needles.

[0008] Preferably, the back panel includes a sleeve end and a back end, the sleeve end is sleeved and matched with the frame, the side of the sleeve end is provided with positioning grooves corresponding to several convex plates, the back end is frustum-shaped, and several rectangular cavities are evenly arranged on the back end.

[0009] Preferably, the back end is provided with a sink groove that abuts against the frame, and an annular rubber pad is provided in the sink groove.

[0010] Preferably, the steel needle is provided with a needle tip, a disc block is coaxially fixed to the end of the steel needle away from the needle tip, the convex plate is provided with a threaded groove matching the disc block, the disc block is threadedly connected and fixed to the threaded groove, and an annular groove is provided in the middle of the steel needle.

[0011] Preferably, the magnetic buckle device includes a strip-shaped block, on which a number of cylindrical shells are uniformly fixed. The strip-shaped block can be arranged in a corresponding rectangular cavity, and the number of cylindrical shells are respectively aligned with a number of steel needles in sequence. Inside the cylindrical shell, a sleeve is elastically telescoped. Inside the sleeve, a number of steel balls are arranged in a surrounding manner. The corresponding steel needles penetrate through the cylindrical shell and the sleeve, and the annular groove can be clamped and matched with the number of steel balls. The strip-shaped block is provided with a strip-shaped magnet, and the strip-shaped magnet can magnetically attract and drive the sleeve.

[0012] Preferably, on the side of the rectangular cavity corresponding to the number of steel needles, a number of notch grooves are provided. The number of notch grooves are respectively aligned with the number of cylindrical shells and steel needles. On one side of the rectangular cavity corresponding to the number of steel needles, a number of abutting blocks are fixed. The number of abutting blocks can be positioned between the number of cylindrical shells, and the number of abutting blocks are in abutting and matching with the strip-shaped block.

[0013] Preferably, the rectangular cavity is provided with a cover in a clamped manner.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The present utility model realizes the connection and assembly of the backboard and the frame by setting a number of steel needles and corresponding magnetic buckle devices. Without using a large number of tools, a convenient installation effect can be achieved, making the assembly connection of the backboard and the frame convenient and efficient, and having an efficient disassembly operation effect, and the overall work efficiency is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings;

[0017] Figure 1 is the first axonometric view of the present utility model;

[0018] Figure 2 is the second axonometric view of the present utility model;

[0019] Figure 3 is the exploded schematic view of the present utility model;

[0020] Figure 4 is Figure 3 the partial enlarged view at A in

[0021] Figure 5 is the structural schematic view of the strip-shaped magnet of the present utility model;

[0022] Figure 6 is the structural schematic view of the strip-shaped block placed inside the rectangular cavity of the present utility model;

[0023] Figure 7 This is a schematic structural diagram after the cylindrical shell of the present utility model is separated from the steel needle;

[0024] Figure 8 This is a cross-sectional view of the cylindrical shell of the present utility model.

[0025] In the figure: 1, back plate; 2, frame; 3, convex plate; 4, steel needle; 5, rectangular cavity; 6, positioning groove; 7, sleeved end; 8, back end; 9, annular rubber pad; 10, disc block; 11, strip block; 12, cylindrical shell; 13, sleeve; 14, steel ball; 15, annular groove; 16, notch groove; 17, abutting block; 18, strip magnet; 19, cover. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating the orientation or positional relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model.

[0028] Refer to Figure 1-8 , the connection component between the back plate of the liquid crystal display and the frame includes a back plate 1 and a frame 2. The back plate 1 and the frame 2 constitute the back plate of the liquid crystal display and the frame of the liquid crystal display. The frame 2 is sleeved and fitted with the outer edge of the back plate 1. A plurality of convex plates 3 are arranged around the inner side of the frame 2, and a plurality of steel needles 4 are evenly arranged on the convex plates 3. The plurality of steel needles 4 are arranged horizontally and transversely. The back plate 1 is provided with a plurality of rectangular cavities 5 that are sequentially aligned with the positions of the plurality of convex plates 3, and a magnetic snap device capable of being snap-connected with the steel needles 4 is arranged in the rectangular cavities 5.

[0029] For the above example, those skilled in the art should know that when implementing the above technical solutions, if the back plate 1 and the frame 2 are made of plastic, they are produced by an injection molding process. If the back plate 1 and the frame 2 are made of metal, they are formed by processes such as stamping and bending. No matter how they are produced, corresponding structures will be reserved, such as leaving the rectangular cavity 5.

[0030] As a technical optimization solution of the present invention, the back panel 1 includes a sleeve end 7 and a back end 8. The sleeve end 7 is sleeved and matched with the frame 2, that is, the frame 2 fits and fits on the sleeve end 7. The side of the sleeve end 7 is provided with positioning grooves 6 that match the plurality of protruding plates 3. The plurality of positioning grooves 6 facilitate the sleeved matching of the back panel 1 and the frame 2. The protruding plates 3 are inserted into the corresponding positioning grooves 6 to achieve a positioning effect. The back end 8 is in the shape of a frustum, and a plurality of rectangular cavities 5 are evenly arranged on the back end 8.

[0031] For the above example, those skilled in the art should know that when implementing the above technical solution, the back end 8 can be used to set structures such as heat sinks and power lines.

[0032] As a technical optimization solution of the present invention, the back end 8 is provided with a groove that abuts against the frame 2, and an annular rubber pad 9 is provided in the groove. The annular rubber pad 9 matches and fits with the edge of the back end 8, and the annular rubber pad 9 has the effect of buffering and sealing the gap.

[0033] As a technical optimization solution of the present invention, the steel needle 4 is provided with a needle tip, and a disc block 10 is coaxially fixed to the end of the steel needle 4 away from the needle tip. The convex plate 3 is provided with a threaded groove matching the disc block 10, and the disc block 10 is threadedly connected and fixed with the threaded groove, that is, the disc block 10 is provided with a corresponding thread, and an annular groove 15 is provided in the middle of the steel needle 4.

[0034] As a technical optimization solution of the present invention, the magnetic buckle device includes a strip block 11, on which a number of cylindrical shells 12 are evenly fixed. The strip block 11 can be set in the corresponding rectangular cavity 5, and the several cylindrical shells 12 are aligned with the several steel needles 4 in sequence. The cylindrical shell 12 is elastically and retractably provided with a sleeve 13, that is, a spring is connected to the sleeve 13 and one end of the cylindrical shell 12. A number of steel balls 14 are arranged around the sleeve 13. The bottom of the sleeve 13 is trumpet-shaped and is provided with a circular hole that is against the several steel balls 14. The corresponding steel needles 4 pass through the cylindrical shell 12 and the sleeve 13, and the annular groove 15 can be snap-fitted with the several steel balls 14. The strip block 11 is matched with a strip magnet 18, and the strip magnet 18 can magnetically attract and drive the sleeve 13. When the steel needle 4 is inserted, the needle tip of the steel needle 4 will squeeze and push the several steel balls 14 upward and squeeze and push the sleeve 13 and the spring until the several steel balls 14 roll into the annular groove 15. At this time, the spring will press the several steel balls 14 downward. At this time, the trumpet-shaped lower end of the sleeve 13 and the several round holes can hold and clamp the several steel balls 14, so that the steel needle 4 cannot be pulled out.

[0035] A strip block 11 is provided in the rectangular cavity 5 , and the strip block 11 can be moved horizontally to insert a number of corresponding cylindrical shells 12 into a number of steel needles 4 , thereby achieving a clamping and fixing effect.

[0036] As a technical optimization solution of the present utility model, a plurality of notch grooves 16 are provided on the side of the rectangular cavity 5 corresponding to a plurality of steel needles 4. A plurality of notch grooves 16 are respectively aligned with a plurality of cylindrical shells 12 and steel needles 4. When the frame 2 is sleeved onto the backboard 1, the plurality of notch grooves 16 facilitate the passing of the plurality of steel needles 4 and facilitate the insertion and positioning of the plurality of cylindrical shells 12. A plurality of abutting blocks 17 are fixed on one side of the rectangular cavity 5 corresponding to the plurality of steel needles 4. The plurality of abutting blocks 17 can be positioned between the plurality of cylindrical shells 12. The plurality of abutting blocks 17 are in abutting match with the strip-shaped block 11. The plurality of abutting blocks 17 can limit the plurality of cylindrical shells 12, and when the steel needles 4 are clamped and fixed, the plurality of abutting blocks 17 can play a role in abutting against the strip-shaped block 11, so as to clamp the backboard 1 and realize the fixed connection between the backboard 1 and the frame 2.

[0037] As a technical optimization solution of the present utility model, a cover 19 is snap-connected to the rectangular cavity 5. The cover 19 can be disassembled and opened, and the rectangular cavity 5 can be closed.

[0038] In the present utility model, the working principle of the device is as follows:

[0039] When connecting the backboard 1 and the frame 2, first install a plurality of steel needles 4 onto the frame 2, that is, screw the disc blocks 10 corresponding to the steel needles 4 onto the frame 2, that is, fix them onto the corresponding plurality of convex plates 3. Then, fit the sleeved end 7 of the backboard 1 onto the frame 2, that is, the frame 2 is sleeved onto the sleeved end 7. At this time, the plurality of convex plates 3 are inserted into the corresponding positioning grooves 6, and the plurality of positioning grooves 6 play a positioning role, facilitating the sleeving and matching of the backboard 1 and the frame 2. At the same time, a ring-shaped rubber pad 9 is provided between the back end 8 of the backboard 1 and the frame 2, and the ring-shaped rubber pad 9 plays a role in buffering and closing the gap. At the same time, when the frame 2 is sleeved onto the backboard 1, the plurality of notch grooves 16 on the backboard 1 facilitate the passing of the plurality of steel needles 4 and facilitate the subsequent insertion and positioning of the plurality of cylindrical shells 12. Then, place the strip-shaped blocks 11 in each rectangular cavity 5, and horizontally move the corresponding strip-shaped blocks 11 transversely so that the plurality of corresponding cylindrical shells 12 are aligned and inserted into the plurality of steel needles 4. When the steel needles 4 are inserted, the tips of the steel needles 4 will upwardly squeeze and push a plurality of steel balls 14 and squeeze and push the sleeve 13 and the spring until the plurality of steel balls 14 roll into the annular groove 15. At this time, the spring will press the plurality of steel balls 14 downward. At this time, the trumpet-shaped lower end of the sleeve 13 and the plurality of circular holes can hold and clamp the plurality of steel balls 14, so that the steel needles 4 cannot be pulled out, thereby realizing the effect of snap-fixing. At this time, the plurality of abutting blocks 17 can limit the plurality of cylindrical shells 12, and when the steel needles 4 are clamped and fixed, the plurality of abutting blocks 17 can play a role in abutting against the strip-shaped block 11, so as to clamp and fix the backboard 1 and realize the effective fixed connection between the backboard 1 and the frame 2.

[0040] A cover 19 can be arranged behind several rectangular cavities 5. The cover 19 serves to hide the rectangular cavities 5 and protect the corresponding cylindrical shell 12 and steel needle 4. At the same time, several rectangular cavities 5 can also facilitate the overall handling of the backplane 1 and the frame 2, that is, by inserting fingers into the rectangular cavities 5, the effect of convenient handling can be achieved.

[0041] At the same time, the device can also achieve a convenient disassembly effect. Just arrange the strip magnets 18 into the rectangular cavities 5 in sequence. The strip magnets 18 can magnetically attract and drive the sleeve 13, causing the spring to contract and separating several steel balls 14 from the annular groove 15 of the steel needle 4. At this time, the steel needle 4 can be effectively separated from the cylindrical shell 12.

[0042] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A connection assembly for a liquid crystal display back panel and a frame, comprising a back panel (1) and a frame (2), characterized in that: The frame (2) is sleeved and fitted to match the outer edge of the backplane (1). A number of convex plates (3) are arranged around the inner side of the frame (2). A number of steel needles (4) are evenly arranged on the convex plates (3). The backplane (1) is provided with a number of rectangular cavities (5) that are sequentially aligned with the positions of the convex plates (3). A magnetic snap device capable of snap-connecting with the steel needles (4) is arranged in the rectangular cavities (5).

2. The connection assembly for a liquid crystal display back panel and a frame according to claim 1, characterized in that: The backplane (1) includes a sleeved end (7) and a back end (8). The sleeved end (7) is sleeved and matched with the frame (2). A positioning groove (6) corresponding to the convex plates (3) is arranged on the side of the sleeved end (7). The back end (8) is in a frustum shape. A number of rectangular cavities (5) are evenly arranged on the back end (8).

3. The connecting component between the backplane and the frame of the liquid crystal display according to claim 2, characterized in that, The back end (8) is provided with a sunk groove for abutting against the frame (2), and an annular rubber pad (9) is arranged in the sunk groove.

4. The connection component between the backplane and the frame of the liquid crystal display according to claim 1, characterized in that, The steel needle (4) is provided with a needle tip. A disc block (10) is coaxially fixed at one end of the steel needle (4) away from the needle tip. The convex plate (3) is provided with a threaded groove matching the disc block (10). The disc block (10) is threadedly connected and fixed with the threaded groove. An annular groove (15) is arranged in the middle of the steel needle (4).

5. The connection component between the backplane and the frame of the liquid crystal display according to claim 4, characterized in that, The magnetic snap device includes a strip-shaped block (11). A number of cylindrical shells (12) are evenly fixed on the strip-shaped block (11). The strip-shaped block (11) can be arranged in the corresponding rectangular cavity (5), and the cylindrical shells (12) are respectively aligned with the steel needles (4) in sequence. A sleeve (13) is elastically telescoped inside the cylindrical shell (12). A number of steel balls (14) are arranged around the inside of the sleeve (13). The corresponding steel needles (4) penetrate through the cylindrical shell (12) and the sleeve (13), and the annular groove (15) can be snap-connected with the steel balls (14). A strip-shaped magnet (18) is arranged on the strip-shaped block (11) in a matching manner, and the strip-shaped magnet (18) can magnetically attract and drive the sleeve (13).

6. The connection assembly for a liquid crystal display back panel and a frame according to claim 1, characterized in that: A number of notch grooves (16) are arranged on the side of the rectangular cavity (5) corresponding to the steel needles (4). The notch grooves (16) are respectively aligned with the cylindrical shells (12) and the steel needles (4). A number of abutting blocks (17) are fixed on one side of the rectangular cavity (5) corresponding to the steel needles (4). The abutting blocks (17) can be positioned between the cylindrical shells (12), and the abutting blocks (17) are abutted and matched with the strip-shaped block (11).

7. The connection component between the backplane and the frame of the liquid crystal display according to claim 1, characterized in that, A cover (19) is snap-connected to the rectangular cavity (5).

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