Spliced ​​rear shell structure and flat-screen TV

Abstract

The present invention proposes a spliced ​​rear shell structure, comprising a television body and a rear shell, wherein the television body comprises a central main area and secondary areas located on the left and right sides of the main area, and the rear shell comprises a main shell and two secondary shells, wherein the main shell comprises a first shell and a second shell, the first shell and the second shell being detachably connected, the main shell being arranged in the main area, wherein the main shell is provided with a first secondary slot for engaging with the secondary shell, and the secondary area is provided with a first secondary fixing bracket, the first secondary fixing bracket comprising a first secondary rib for engaging with the outer side wall of the secondary shell, and the secondary area is provided with a second secondary fixing bracket, the second secondary fixing bracket comprising a second secondary rib for engaging with the upper side wall of the secondary shell, and the secondary shell being fixed to the secondary area by engaging the first secondary rib, the second secondary rib, and the first secondary slot. The spliced ​​rear shell structure of the present invention can be used for installing two television bodies of different sizes, effectively reducing production costs, and having a simple structure and convenient installation.

Description

Technical Field

[0001] The present invention relates to the technical field of television structures, and in particular to a spliced ​​rear shell structure and a flat-screen television. Background Art

[0002] At present, with the development of the times and the advancement of technology, consumers have higher and higher requirements for TV pictures. When purchasing, they prefer to choose large-size flat-screen TVs with shocking visual effects, clear pictures and better playback effects.

[0003] Currently, in the field of large-size flat-panel TVs (large size usually refers to TVs larger than 46 inches), due to the large volume of the rear shell structure of large-size flat-panel TVs, the rear shell structures of flat-panel TVs of different large sizes cannot be universal, and different rear shell molds need to be used respectively, resulting in increased production costs. Summary of the Invention

[0004] SUMMARY OF THE INVENTION In view of the above-mentioned deficiencies in the prior art, the present invention aims to provide a spliced ​​rear shell structure and a flat-screen TV, aiming to solve the problem that the rear shell structure of existing large-size flat-screen TVs cannot be universally used, resulting in increased production costs.

[0005] A spliced ​​back shell structure, comprising a TV body and a back shell,

[0006] The TV body includes a main area in the middle and auxiliary areas located on the left and right sides of the main area;

[0007] The rear shell includes a main shell and two sub-shells;

[0008] The main housing includes a first housing and a second housing, wherein the first housing and the second housing are detachably connected;

[0009] The main shell is arranged in the main area;

[0010] Wherein, the main area is used to install the functional modules of the TV body;

[0011] The main shell is provided with a first secondary slot for engaging with the secondary shell;

[0012] The auxiliary area is provided with a first auxiliary fixing bracket, and the first auxiliary fixing bracket includes a first auxiliary rib for engaging and connecting with the outer side wall of the auxiliary shell;

[0013] The secondary region is provided with a second secondary fixing bracket, the second secondary fixing bracket comprising a second secondary rib for connecting to the upper side wall of the secondary shell;

[0014] The secondary housing is fixed on the secondary area by engaging with the first secondary rib, the second secondary rib and the first secondary slot.

[0015] In the spliced ​​rear shell structure, the auxiliary area is provided with a lower front shell, and the lower front shell is threadedly connected to the lower side wall of the auxiliary shell.

[0016] In the spliced ​​rear shell structure, first reset pull rods are respectively provided at the upper left and upper right portions of the main area, and the first reset pull rods include:

[0017] A first reset rib, used for engaging with the main housing;

[0018] a first reset screw hole, used for fixedly connecting with the main housing;

[0019] A first resetting elastic member, used for resetting the resetting pull rod; and

[0020] A first reset limiting hole is used to guide and limit the reset pull rod;

[0021] The first reset rod is moved along a predetermined direction by screwing the first reset screw into the first reset screw hole.

[0022] In the spliced ​​rear shell structure, a rod limiting bracket is provided on the first reset rod, and the rod limiting bracket includes:

[0023] a first through hole for fixing with the main area,

[0024] a second through hole for connecting the main housing to the first reset rod; and

[0025] A first limiting column for limiting the moving distance of the first reset rod.

[0026] In the spliced ​​rear shell structure, a second limiting column and a first clamping member are provided on the main area, the second limiting column is located in the first reset limiting hole, and the first clamping member abuts against the first reset elastic member.

[0027] In the spliced ​​rear shell structure, a plurality of top fixing brackets are provided on the upper portion of the main area, and the top fixing brackets include:

[0028] A top rib for supporting the main shell;

[0029] A first screw hole on the top for fixed connection with the main housing; and

[0030] a second screw hole on the top for fixed connection with the main area;

[0031] Wherein, the top first screw hole is provided on the top rib;

[0032] The top bending portion is provided on the top rib.

[0033] In the spliced ​​rear shell structure, the side walls of the main area are provided with a plurality of side fixing brackets, and the side fixing brackets include:

[0034] Side ribs for snapping into engagement with the main shell; and

[0035] side screw holes for fixed connection with the main area;

[0036] Wherein, a side bending portion is provided on the side rib.

[0037] In the spliced ​​rear shell structure, adapter brackets are respectively provided at the lower left and right sides of the main area, and the adapter brackets include:

[0038] a first adapter screw hole for fixedly connecting to the main area;

[0039] A second adapter screw hole for fixed connection with the main housing and

[0040] A transition reinforcement rib for supporting the main shell;

[0041] Wherein, the transition reinforcement rib is bent along a predetermined angle.

[0042] In the spliced ​​rear shell structure, a second reset pull rod is installed on one of the adapter brackets. The second reset pull rod has the same structural shape as the first reset pull rod, and the second reset pull rod is used to clamp and fix the main shell.

[0043] A flat-screen TV comprises the spliced ​​rear shell structure described in any one of the above technical solutions.

[0044] Beneficial effects of the present invention:

[0045] The spliced ​​rear shell structure provided by the present invention divides the rear shell into a main shell and a secondary shell. The main shell is installed in the main area of ​​the TV body, and the secondary shell is engaged in the secondary area by the first secondary clamping rib, the second secondary clamping rib and the first secondary hook. The overall structure of the rear shell is connected in a splicing manner. In actual use, the spliced ​​rear shell structure of the device can be installed on a 75-inch TV body. Since the main shell is composed of a first shell and a second shell that are detachably connected, after the first shell and the secondary shell are disassembled, the second shell of the device can be directly installed on a 65-inch TV body. Therefore, the spliced ​​rear shell structure of the device can be applied to the installation of two TV bodies of different sizes, effectively reducing production costs, and having a simple structure and convenient installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic diagram of the overall front view structure of the present invention;

[0047] Figure 2 It is a schematic diagram of the overall rear view structure of the present invention;

[0048] Figure 3 It is a structural schematic diagram of the main shell of the present invention;

[0049] Figure 4 for Figure 3 A magnified view of point A;

[0050] Figure 5 Schematic diagram of the structure of the secondary shell of the present invention;

[0051] Figure 6 Schematic diagram of the structure of the secondary shell of the present invention;

[0052] Figure 7 It is a structural schematic diagram of the television main body of the present invention;

[0053] Figure 8 Schematic diagram of the structure of the rear shell of the present invention;

[0054] Figure 9 It is a structural schematic diagram of the top fixing bracket of the present invention;

[0055] Figure 10 It is a structural schematic diagram of the first reset pull rod and the pull rod limiting bracket of the present invention;

[0056] Figure 11 Schematic diagram of the structure of the second limiting column of the present invention;

[0057] Figure 12 It is a structural schematic diagram of the side fixing bracket of the present invention;

[0058] Figure 13 Schematic diagram of the structure of the second reset rod of the present invention;

[0059] Figure 14 It is a structural schematic diagram of the adapter bracket of the present invention.

[0060] Description of reference numerals:

[0061] 100, TV body; 101, secondary area; 102, main area; 200, rear shell; 201, secondary shell; 201a, first secondary clamping rib; 201b, second secondary clamping rib; 201c, first secondary hook; 202, main shell; 202a, first shell; 202b, second shell; 203, first secondary rib; 204, second secondary rib; 205, first secondary slot; 206, lower front shell; 300, top fixing bracket; 301, top rib; 302, first top screw hole; 303, top bending portion; 304, second top screw hole; 400, first reset lever; 401, first reset rib; 402, first reset Limiting hole; 403, first reset elastic member; 500, side fixing bracket; 501, side rib; 502, side screw hole; 503, side bending part; 600, second reset pull rod; 601, second reset rib; 602, second reset limiting hole; 603, second reset elastic member; 604, second reset screw hole; 700, adapter bracket; 701, first adapter screw hole; 702, second adapter screw hole; 703, adapter reinforcement rib; 704, adapter limiting column; 705, adapter groove; 800, pull rod limiting bracket; 801, first through hole; 802, second through hole; 803, first limiting column; 900, second limiting column. DETAILED DESCRIPTION

[0062] To make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0063] See also Figures 1 to 6 As shown, the present invention provides a spliced ​​back shell 200 structure, including a TV body 100 and a back shell 200, wherein the TV body 100 includes a main area 102 in the middle and sub-areas 101 located on the left and right sides of the main area; the back shell 200 includes a main shell 202 and two sub-shells 201; the main shell 202 includes a first shell 202a and a second shell 202b, and the first shell 202a and the second shell 202b are detachably connected; the main shell 202 is arranged in the main area 102; wherein the main area 102 is used to install the functional modules of the TV body 100 block; the main shell 202 is provided with a first secondary slot 205 for being engaged with the secondary shell 201; the secondary area 101 is provided with a first secondary fixing bracket, and the first secondary fixing bracket includes a first secondary rib 203 for being engaged with the outer side wall of the secondary shell 201; the secondary area 101 is provided with a second secondary fixing bracket, and the second secondary fixing bracket includes a second secondary rib 204 for being connected to the upper side wall of the secondary shell 201; the secondary shell 201 is fixed to the secondary area 101 by the first secondary rib 203, the second secondary rib 204 and the first secondary slot 205.

[0064] In order to more clearly express the technical features of the present invention, Figure 1 and Figure 2 Mark the orientation; in the above process, by dividing the back shell 200 into a main shell 202 and a secondary shell 201, the main shell 202 is installed in the main area 102 of the TV body 100, and the secondary shell 201 is engaged with the secondary area 101 by the first secondary clamp 201a, the second secondary clamp 201b and the first secondary hook 201c. The overall structure of the back shell 200 is connected by splicing; in actual use, the spliced ​​structure of the back shell 200 of this device can be installed on a 75-inch TV body 100. Since the main shell 202 is composed of a first shell 202a and a second shell 202b that are detachably connected, after removing the first shell 202a and the secondary shell 201, the second shell 202b of this device can be directly installed on a 65-inch TV body 100, so that the spliced ​​structure of the back shell 200 of this device can be applied to two different sizes of TV bodies 100, effectively reducing production costs, and the structure is simple and easy to install. In addition, the back shell 200 is made of plastic.

[0065] Specifically, when the first secondary slot 205, the first secondary rib 203, and the second secondary rib 204 are provided, the secondary housing 201 also needs to be provided with corresponding structures in order to be able to be connected with the structure of the secondary region 101, such as Figure 6 As shown, a first secondary hook 201c is provided corresponding to the first secondary slot 205, and the number of the first secondary hooks 201c is set accordingly; a first secondary rib 201a is provided corresponding to the first secondary rib 203; and a second secondary rib 201b is provided corresponding to the second secondary rib 204. This solution engages the secondary shell 201 from three different directions, so that the connection between the secondary shell 201 and the secondary area 101 is tight and secure.

[0066] like Figures 4 to 6 As shown, the lower front shell 206 is installed at the bottom of the auxiliary area 101, and the lower front shell 206 is fixedly connected to the lower side wall of the auxiliary shell 201 through threads.

[0067] In one or more embodiments, the lower front shell 206 is made of plastic or metal, such as stainless steel; secondly, screw holes are installed on the lower front shell 206 and the auxiliary shell 201. More specifically, the number of screw holes is 2. When the auxiliary shell 201 and the auxiliary area 101 are clamped together, bolts are passed through the screw holes to fix the connection, so that the auxiliary shell 201 and the lower side wall of the auxiliary area 101 fit tightly together to achieve a seamless fixed connection, thereby preventing dust from entering and avoiding dust affecting the service life of the equipment.

[0068] like Figure 7 、 Figure 8 as well as Figure 10As shown, the first reset rod 400 is respectively provided at the upper left side and the upper right side of the main area 102, and the first reset rod 400 includes a first reset rib 401, which is used to be clamped with the main shell 202; wherein, two first reset ribs 401 are provided on each first reset rod 400, one of which is located at the end of the first reset rod 400, and the other is located in the middle position of the first reset rod 400.

[0069] Furthermore, the first reset rod 400 also includes a first reset elastic member 403, which is any one of a curved elastic rib, a spring or an elastic rubber. The first reset elastic member 403 has a wavy structure, and the first reset elastic member 403 is used to reset the first reset rod 400; in actual use, when the first reset screw is screwed into the first reset screw hole, the first reset rod 400 moves along the upper part of the main area 102 until it is limited and stopped by the first reset limit hole 402, and the first reset elastic member 403 is abutted and compressed by the first clamping member provided on the main area 102; when the first reset screw is unscrewed, the elastic potential energy of the first reset elastic member 403 is released, causing the first reset rod 400 to automatically reset; it should be noted that movement in the predetermined direction refers to upper movement or lower movement.

[0070] Furthermore, the first reset rod 400 further includes a first reset limiting hole 402 , which is elliptical in shape and is used to cooperate with the first reset rod 400 to limit its movement so that the first reset rod 400 is limited to a certain distance range.

[0071] In addition, a screw hole is provided on the end surface of the first reset pull rod 400 , and the screw hole is used to cooperate with the installation of the pull rod limiting bracket 800 .

[0072] like Figure 7 and Figure 8 As shown, a second limiting column 900 and a first clamping member are provided on the main area 102 , the second limiting column 900 is located in the first reset limiting hole 402 , and the first clamping member abuts against the first reset elastic member 403 .

[0073] In one or more embodiments, the upper part of the second limiting column 900 is designed to be cylindrical in shape, which is used to cooperate with the first reset limiting hole 402 of the first reset rod 400. The middle part is designed to be hexagonal for easy use and screwing, and the lower part is designed to be fixed on the main area 102 with threads; secondly, the first clamping part is a hook-like structure (not shown in the figure), which is used to clamp the first reset elastic part 403.

[0074] like Figure 7 and 10As shown, a rod limiting bracket 800 is provided on the first reset rod 400, and the rod limiting bracket 800 includes a first through hole 801 for fixing to the main area 102, a second through hole 802 for connecting the main shell 202 to the first reset rod 400, and a second limiting column 900 for limiting the moving distance of the first reset rod 400.

[0075] In one or more embodiments, the rod limiting bracket 800 is constructed of sheet metal, and the second through hole 802 engages with the first reset screw hole of the first reset rod 400 to enable the first reset rod 400 to move in a predetermined direction. Furthermore, the plate where the second through hole 802 is located also supports the main housing 202, providing a certain degree of support. The rod limiting bracket 800 cooperates with the main housing 202 to secure both side edges of the main housing 202.

[0076] like Figure 9 As shown, several top fixing brackets 300 are set on the upper part of the main area 102, and the top fixing brackets 300 include a top rib 301 for supporting the main shell 202, a top first screw hole 302 for being fixedly connected to the main shell 202, and a top second screw hole 304 for being fixedly connected to the main area 102, wherein the top first screw hole 302 is set on the top rib 301, and the top bending portion 303 is set on the top rib 301.

[0077] In one or more embodiments, since the first reset pull rod 400 and the pull rod limiting bracket 800 can only fix the two sides of the main shell 202, when the main shell 202 is deformed, if there is no fixed connection in the middle, a gap will easily form in the middle, allowing dust to enter. Therefore, a plurality of top fixing brackets 300 are provided. The top fixing brackets 300 are sheet metal structures and are L-shaped. The top fixing brackets 300 are used to support the top inner wall of the main shell 202, so that the main shell 202 and the TV body 100 are tightly matched, and the upper part of the main shell 202 is fixedly connected without gaps. In addition, the position of the first screw hole 302 on the top is bent upward, and the main shell 202 is also provided with a screw hole at a corresponding position. That is, the upper part of the main shell 202 is fixed and supported by the top fixing bracket 300, and no exposed screws affect the appearance of the product. In addition, the top bent portion 303 is used to cooperate with the guidance and limiting of the main shell 202, so that the main shell 202 is easy to insert and install.

[0078] like Figure 12 As shown, several side fixing brackets 500 are set on the side walls of the main area 102, and the side fixing brackets 500 include side ribs 501 for clamping with the main shell 202, and side screw holes 502 for fixed connection with the main area 102, wherein a side bending portion 503 is set on the side ribs 501.

[0079] In one or more embodiments, the side fixing bracket 500 adopts a sheet metal structure, and a side rib 501 is provided on the side fixing bracket 500. The side fixing bracket 500 is an L-shaped structure, and a second main groove is provided on the side rib 501, so that the rib provided on the main shell 202 is clamped on the second main groove; the side screw hole 502 is used to install the device to a fixed position in the main area 102, and the side bending portion 503 facilitates the installation of the side wall of the main shell 202; by providing the side fixing bracket 500, the sealing of the side wall of the main shell 202 and the TV body 100 is further enhanced, and a seamless fixed connection of the side wall is achieved.

[0080] like Figure 14 As shown, adapter brackets 700 are respectively provided at the lower left and right sides of the main area 102, and the adapter bracket 700 includes a first adapter screw hole 701 for fixedly connecting to the main area 102, a second adapter screw hole 702 for fixedly connecting to the secondary shell 201, and an adapter reinforcement rib 703 for supporting the main shell 202, wherein the adapter reinforcement rib 703 is bent along a predetermined angle.

[0081] In one or more embodiments, the adapter bracket 700 is made of cast aluminum material. The adapter bracket 700 includes an adapter reinforcement rib 703 for supporting the main shell 202. The adapter reinforcement rib 703 is arranged on the side wall of the adapter bracket 700 and bent along a predetermined angle to support the bottom of the main shell 202 to prevent the main shell 202 from being compressed and deformed.

[0082] Furthermore, it also includes a first adapter screw hole 701 provided on the adapter bracket 700 , and a plurality of first adapter screw holes 701 are provided for fixedly connecting the adapter bracket 700 to the main area 102 .

[0083] Furthermore, it also includes a second adapter screw hole 702 set on the adapter bracket 700, and the second adapter screw hole 702 is used to fix the main shell 202; in addition, in order to save design costs and reduce the number of parts used, bolts are passed through the sub-shell 201, the second reset rod 600 and the main shell 202 and connected to the second adapter screw hole 702 for fixation, so that the lower side plate of the sub-shell 201, the lower side plate of the main shell and the adapter bracket 700 are connected.

[0084] See also Figure 7 as well as Figure 13 As shown, a second reset rod 600 is installed on one of the adapter brackets 700 . The second reset rod 600 has the same structure and shape as the first reset rod 400 . The second reset rod 600 is used to clamp and fix the main shell 202 .

[0085] In one or more embodiments, since the second reset rod 600 and the first reset rod 400 have identical structures and shapes, they can be considered to be the same component. Specifically, the second reset rod 600 is provided with corresponding second reset ribs 601, second reset limiting holes 602, second reset elastic members 603, and second reset screw holes 604. When the second reset rod 600 is mounted on the adapter bracket 700, the adapter bracket 700 is provided with corresponding adapter grooves 705. The adapter grooves 705 are U-shaped, allowing the second reset rod 600 to be properly placed. At the same time, corresponding adapter limiting posts 704 are provided to limit the second reset rod 600, allowing the second reset rod 600 to be moved and limited on the adapter bracket 700.

[0086] In addition, since a power supply and other components need to be installed at one end of the TV body 100, the second reset rod 600 can only be set on one side of the main area 102 to strengthen the airtightness between the rear shell 200 and the TV body 100, so that dust is not easily intruded into the side wall when the rear shell 200 structure of this device is used.

[0087] It's worth noting that the central main area 102 of the TV body 100 is used to secure components such as the motherboard, power supply, and speakers. The location and method of securing components in this area 102 are identical for both the 65-inch and 75-inch models, with space reserved at the bottom for adapter brackets 700. This unified design saves mold costs and reduces production costs.

[0088] The present invention further provides a flat-screen TV, including the splicing structure of the rear shell 200 described in any one of the above technical solutions, which is applicable to any flat-screen TV. Since the effects have been described above, they will not be repeated here.

[0089] In summary, the present invention provides a back shell 200 splicing structure and a flat-screen TV. By splicing the overall structure of the back shell 200, the back shell 200 is divided into a main shell 202 and a sub-shell 201, and the main shell 202 is further divided into a first shell 202a and a second shell 202b. In actual use, the back shell 200 structure of the present device can be directly installed on a 75-inch TV body 100, and after uninstalling the first shell 202a and the sub-shell 201, the second shell 202b of the present device can be directly installed on a 65-inch TV size; since the main areas 102 of 75 and 65 are the same, the present device can be suitable for installation on two TV bodies 100 of different sizes, effectively reducing mold opening costs and saving costs. In addition, due to the provision of the top fixing bracket 300 and the side fixing bracket 500, the top wall and side walls of the device are sealed tightly, and even if the back shell is deformed, dust will not easily enter the interior of the device, thereby extending the service life of the device; and the screw positions of the entire back shell are hidden, so that the screws cannot be seen when observing the device from the back, thereby improving the product appearance and industrial beauty.

[0090] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0091] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0092] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0093] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0094] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0095] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. A spliced ​​back shell structure, comprising a TV body and a back shell, characterized in that: The TV body includes a main area in the middle and auxiliary areas located on the left and right sides of the main area; The rear shell includes a main shell and two sub-shells; The main housing includes a first housing and a second housing, wherein the first housing and the second housing are detachably connected; The main shell is arranged in the main area; The main shell is provided with a first secondary slot for engaging with the secondary shell; The auxiliary area is provided with a first auxiliary fixing bracket, and the first auxiliary fixing bracket includes a first auxiliary rib for engaging and connecting with the outer side wall of the auxiliary shell; The secondary region is provided with a second secondary fixing bracket, the second secondary fixing bracket comprising a second secondary rib for engaging and connecting with the upper side wall of the secondary shell; The secondary housing is fixed to the secondary area by engaging with the first secondary rib, the second secondary rib and the first secondary slot; A plurality of top fixing brackets are provided on the upper portion of the main area, and the top fixing brackets include: A top rib for supporting the main shell; A first screw hole on the top for fixed connection with the main housing; and a second screw hole on the top for fixed connection with the main area; Wherein, the top first screw hole is provided on the top rib; A top bending portion is provided on the top rib, and the top bending portion is used to guide and limit the main shell.

2. The spliced ​​rear shell structure according to claim 1, characterized in that: The auxiliary area is provided with a lower front shell, and the lower front shell is threadedly connected to the lower side wall of the auxiliary shell.

3. The spliced ​​rear shell structure according to claim 1, characterized in that: A first reset pull rod is provided at the upper left side and the upper right side of the main area, respectively. The first reset pull rod comprises: A first reset rib, used for engaging with the main housing; a first reset screw hole, used for fixedly connecting with the main housing; A first resetting elastic member is used to reset the resetting pull rod; and A first reset limiting hole is used to guide and limit the reset pull rod; The first reset rod is moved along a predetermined direction by screwing the first reset screw into the first reset screw hole.

4. The spliced ​​rear shell structure according to claim 3, characterized in that: The first reset pull rod is provided with a pull rod limiting bracket, and the pull rod limiting bracket includes: a first through hole for fixing with the main area, a second through hole for connecting the main housing to the first reset rod; and A first limiting column for limiting the moving distance of the first reset rod.

5. The spliced ​​rear shell structure according to claim 4, characterized in that: A second limiting column and a first clamping member are provided on the main area. The second limiting column is located in the first reset limiting hole. The first clamping member abuts against the first reset elastic member.

6. The spliced ​​rear shell structure according to claim 5, characterized in that: The side walls of the main area are provided with a plurality of side fixing brackets, and the side fixing brackets include: Side ribs for snapping into engagement with the main shell; and side screw holes for fixed connection with the main area; Wherein, a side bending portion is provided on the side rib.

7. The spliced ​​rear shell structure according to claim 6, characterized in that: Adapter brackets are respectively provided at the lower left and right sides of the main area, and the adapter brackets include: a first adapter screw hole for fixedly connecting to the main area; A second adapter screw hole for fixed connection with the main housing; and A transition reinforcement rib for supporting the main shell; Wherein, the transition reinforcement rib is bent along a predetermined angle.

8. The spliced ​​rear shell structure according to claim 7, characterized in that: A second reset pull rod is installed on one of the adapter brackets. The second reset pull rod has the same structure and shape as the first reset pull rod. The second reset pull rod is used to clamp and fix the main shell.

9. A flat-screen TV, characterized in that: It comprises the spliced ​​rear shell structure according to any one of claims 1 to 8.

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