A precise mating connection structure for an aluminum frame of a television.

Abstract

This utility model relates to the field of television technology and discloses a precise docking connection structure for an aluminum mid-frame of a television set. It includes a mounting plate one and a mounting plate two, with a limiting structure and a guiding structure between them. In the limiting structure, a limiting top rod distributed in an isosceles triangle and a corresponding limiting bottom rod engage in a concave-convex fit to achieve precise positioning. The guiding structure guides the docking trajectory through the matching of connecting blocks and guide rods. One side of the mounting plate is provided with a fixing assembly containing the mounting structure and the docking structure. The L-shaped fixing plate of the mounting structure carries the mounting shaft and adjusting spring. The connecting hook one and connecting hook two of the docking structure cooperate, maintaining a tight engagement with the help of spring force. The support structure on the outer side of mounting plate one and the connecting structure on the outer side of mounting plate two enhance overall stability and load-bearing capacity. This structure improves docking accuracy and connection firmness, optimizes assembly efficiency, and is suitable for the efficient and precise splicing of aluminum mid-frames for television sets.

Description

Technical Field

[0001] This utility model relates to the field of television technology, specifically to a precise docking connection structure for an aluminum frame of a television. Background Technology

[0002] The aluminum frame of a television is a key structural component of the television's outer casing. It primarily serves to secure the screen panel, support internal components, and maintain the overall structural stability. The precision of its connections directly impacts the television's assembly quality, surface smoothness, and operational safety. During television manufacturing, the aluminum frame is typically assembled from multiple aluminum profiles. Therefore, a precise buttressing connection structure is required to ensure accurate positioning and secure connections between the profiles, meeting the stringent requirements of televisions for structural strength, dimensional tolerances, and aesthetic consistency.

[0003] Traditional methods for connecting aluminum frames in televisions often rely on direct bolt fastening or simple snap-fit ​​connections. These technologies have significant limitations. The former is prone to misalignment during assembly due to bolt hole misalignment, requiring repeated adjustments and reducing production efficiency. The latter, due to elastic deformation errors in the snap-fit ​​structure, struggles to guarantee connection stability over long-term use, easily leading to loosening and gaps. These defects not only affect the overall aesthetics of the television but may also cause uneven stress on the screen due to structural instability, shortening the equipment's lifespan and even posing safety hazards. Therefore, we propose a precise connection structure for the aluminum frame of televisions. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a precise docking connection structure for the aluminum frame of a television set, thus solving the aforementioned problems.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a precise mating connection structure for an aluminum frame of a television set, comprising: Mounting plate one and mounting plate two, wherein mounting plate one is provided with a limiting structure at its top, and mounting plate two is fixedly connected to the other side of the limiting structure; a set of axially symmetrical guide structures are provided between mounting plate one and mounting plate two; a support structure is provided on the side of mounting plate one away from mounting plate two; a connecting structure is provided on the side of mounting plate two away from mounting plate one; a set of through slot one is opened on the side of mounting plate one; and a through slot two is opened on mounting plate two at the position corresponding to through slot one. A fixing component is provided on the side of mounting plate one that is opposite to mounting plate two. The fixing component includes a mounting structure and a docking structure. The mounting structure is symmetrically distributed on the side of mounting plate one. The docking structure is provided on the side of the mounting structure, and the side of the connecting structure is provided with a docking structure.

[0006] Preferably, the support structure includes a support plate, a first support column, and auxiliary rods. The first support column is fixedly installed on the center of the side of the first mounting plate away from the second mounting plate. The top of the first support column is fixedly connected to the support plate. A set of symmetrical auxiliary rods is fixedly installed on the support plate on both sides corresponding to the first support column. The other end of the auxiliary rods is fixedly connected to the first mounting plate.

[0007] Preferably, the limiting structure includes a limiting top rod and a limiting bottom rod. The limiting top rod is fixedly installed on the side of the mounting plate facing the second mounting plate and is distributed in an isosceles triangle on the side of the first mounting plate. The limiting bottom rod is fixedly installed on the side of the second mounting plate facing the first mounting plate and is distributed in a manner corresponding to the position of the limiting top rod. The limiting top rod has a groove at one end and a protrusion at the other end. The limiting bottom rod and the opposite end cooperate with each other.

[0008] Preferably, the guide structure includes a connecting block and a guide rod. The connecting block is fixedly installed on the side of the mounting plate facing the second mounting plate. The connecting blocks are axially symmetrically distributed on the side of the first mounting plate. A through hole is provided in the center of the connecting block. A set of guide rods is fixedly installed on the side of the second mounting plate facing the first mounting plate. The outer diameter of the guide rods is consistent with the inner diameter of the through hole in the center of the connecting block.

[0009] Preferably, the mounting structure includes a fixing plate, a mounting shaft, and an adjusting spring. The fixing plate is fixedly mounted on one side of the mounting plate corresponding to the side of the through groove. The fixing plate is L-shaped. One end of the fixing plate is fixedly connected to the side of the mounting plate. The mounting shaft is fixedly mounted on the vertical side of the fixing plate. The adjusting spring is fixedly mounted on the outer surface of the mounting shaft.

[0010] Preferably, the docking structure includes a first connecting hook and a second connecting hook. The first connecting hook is rotatably mounted on the side of the fixed plate, and the inner side of the first connecting hook is tangent to one end of the mounting shaft. The second connecting hook is fixedly mounted on the side of the second mounting plate away from the first mounting plate, and the second connecting hook passes through the second through groove and is connected to the bottom of the first connecting hook.

[0011] Preferably, the connection structure includes a second support column and a connecting plate. The second support column is fixedly installed on the center of the side of the second mounting plate away from the first mounting plate. A set of symmetrical auxiliary rods are fixedly installed on both sides of the second support column. The other end of the second support column is fixedly connected to the connecting plate. A connecting groove is provided on the other side of the connecting plate.

[0012] Compared with the prior art, this utility model provides a precise docking connection structure for the aluminum frame of a television set, which has the following advantages: 1. The precise docking connection structure of the aluminum frame of this TV achieves initial positioning through the synergistic effect of the limiting structure and the guiding structure. The concave-convex fit of the limiting top rod and the limiting bottom rod further enhances the positioning stability. At the same time, the precise fit of the guide rod and the connecting block guides the mounting plate one and the mounting plate two to dock along the preset trajectory. The docking structure uses the cooperation of connecting hook one and connecting hook two. Combined with the adjusting spring in the mounting structure, the spring force can maintain the tight engagement between the connecting hooks and reduce loosening caused by vibration and other factors. In addition, the support plate, support column one and auxiliary rod in the support structure form a stable support system. The support column two and the connecting plate in the connection structure enhance the overall load-bearing capacity. The guiding structure can play a guiding role in the assembly process, so that mounting plate one and mounting plate two can quickly find the correct docking position and reduce the number of adjustments. The docking structure is easy to operate. The cooperation of connecting hook one and connecting hook two can complete the connection and fixation without complicated tools. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the mounting shaft of this utility model; Figure 3 This is a schematic diagram of the adjusting spring of this utility model; Figure 4 This is a schematic diagram of the limiting rod of this utility model.

[0014] In the diagram: 1. Support plate; 2. Support column one; 3. Auxiliary rod; 4. Mounting plate one; 5. Through groove one; 6. Limiting top rod; 7. Connecting block; 8. Fixing plate; 9. Mounting shaft; 10. Adjusting spring; 11. Connecting hook one; 12. Guide rod; 13. Mounting plate two; 14. Through groove two; 15. Limiting bottom rod; 16. Support column two; 17. Connecting hook two; 18. Connecting plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-4 A precise mating connection structure for an aluminum frame of a television set, comprising: Mounting plate 1 4 and mounting plate 2 13. Mounting plate 1 4 has a limiting structure on its top. Mounting plate 2 13 is fixedly connected to the other side of the limiting structure. A set of axially symmetrical guide structures is provided between mounting plate 1 4 and mounting plate 2 13. A support structure is provided on the side of mounting plate 1 4 away from mounting plate 2 13. A connecting structure is provided on the side of mounting plate 2 13 away from mounting plate 1 4. A set of through slots 1 5 is provided on the side of mounting plate 1 4. A through slot 2 14 is provided on mounting plate 2 13 corresponding to the position of through slot 1 5. A fixing component is provided on the side of mounting plate 14 opposite to mounting plate 23. The fixing component includes a mounting structure and a docking structure. The mounting structure is symmetrically distributed on the side of mounting plate 14, and the docking structure is provided on the side of the mounting structure. The side of the connecting structure is also provided with a docking structure.

[0017] Furthermore, the support structure includes a support plate 1, a support column 2, and auxiliary rods 3. The support column 2 is fixedly installed on the center of the side of the mounting plate 4 away from the mounting plate 13. The top of the support column 2 is fixedly connected to the support plate 1. A set of symmetrical auxiliary rods 3 are fixedly installed on both sides of the support plate 1 corresponding to the support column 2. The other end of the auxiliary rods 3 is fixedly connected to the mounting plate 4. The support plate 1 not only forms a stable connection with the mounting plate 4 through the support column 2 and auxiliary rods 3, but its flat surface can also provide a mounting reference surface for the components inside the TV, ensuring the positional accuracy of the components during assembly. In addition to enhancing the support strength, the auxiliary rods 3 can also distribute the pressure borne by the mounting plate 4, avoiding deformation of the mounting plate 4 due to excessive local stress, thereby ensuring the overall structural stability of the aluminum frame.

[0018] Furthermore, the limiting structure includes a limiting top rod 6 and a limiting bottom rod 15. The limiting top rod 6 is fixedly installed on the side of the mounting plate 1 4 facing the mounting plate 2 13, and is distributed in an isosceles triangle on the side of the mounting plate 1 4. The limiting bottom rod 15 is fixedly installed on the side of the mounting plate 2 13 facing the mounting plate 1 4, and is distributed in a manner corresponding to the position of the limiting top rod 6. The limiting top rod 6 has a groove at one end, and the limiting bottom rod 15 has a protrusion at the other end. The limiting bottom rod 15 cooperates with the opposite end. The design of the limiting top rod 6 in an isosceles triangle distribution not only utilizes the stability of the triangle to improve the positioning effect, but also the even distribution of the three points can make the force between the mounting plate 1 4 and the mounting plate 2 13 more balanced, reducing the slight displacement caused by excessive force on one side during the docking process. The concave and convex cooperation of the limiting top rod 6 and the limiting bottom rod 15 not only achieves precise positioning, but also forms a certain pre-tightening force after docking, enhancing the initial stability of the connection between the two mounting plates.

[0019] Furthermore, the guiding structure includes a connecting block 7 and a guide rod 12. The connecting block 7 is fixedly installed on the side of the mounting plate 14 facing the mounting plate 2 13. The connecting blocks 7 are axially symmetrically distributed on the side of the mounting plate 14, and a through hole is opened in the center of the connecting block 7. A set of guide rods 12 are fixedly installed on the side of the mounting plate 2 13 facing the mounting plate 14. The outer diameter of the guide rod 12 is consistent with the inner diameter of the through hole in the center of the connecting block 7. The axially symmetrical arrangement of the connecting blocks 7 can cooperate with the guide rods 12 to constrain the relative movement of the mounting plate 14 and the mounting plate 2 13 from multiple symmetrical directions during the docking process, avoiding rotational deviation around the axis during docking. The inner wall of the through hole in the center of the connecting block 7 is smoothed to reduce the friction when the guide rod 12 is inserted, making the docking process smoother, reducing assembly resistance, and improving assembly efficiency.

[0020] Furthermore, the mounting structure includes a fixing plate 8, a mounting shaft 9, and an adjusting spring 10. The fixing plate 8 is fixedly installed on the side of the mounting plate 4 corresponding to the side of the through groove 5. The fixing plate 8 is L-shaped, and one end of the fixing plate 8 is fixedly connected to the side of the mounting plate 4. The mounting shaft 9 is fixedly installed on the vertical side of the fixing plate 8, and the adjusting spring 10 is fixedly installed on the outer surface of the mounting shaft 9. The L-shaped design of the fixing plate 8 can not only stably connect the mounting plate 4, but also provide a stable mounting carrier for the mounting shaft 9 and the connecting hook 11. The vertical side of the L-shaped structure can limit the rotation range of the connecting hook 11, preventing it from disengaging from the matching range with the connecting hook 17 due to excessive rotation. In addition to installing the adjusting spring 10, the rigid structure of the mounting shaft 9 can also provide a stable fulcrum for the rotation of the connecting hook 11, ensuring that the connecting hook 11 will not wobble when subjected to force, thus ensuring the reliability of the docking structure.

[0021] Furthermore, the docking structure includes a first connecting hook 11 and a second connecting hook 17. The first connecting hook 11 is rotatably mounted on the side of the fixed plate 8, and the inner side of the first connecting hook 11 is tangent to one end of the adjusting spring 10. The second connecting hook 17 is fixedly mounted on the side of the second mounting plate 13 away from the first mounting plate 4, and the second connecting hook 17 passes through the second through groove 14 and is engaged with the bottom of the first connecting hook 11. The design that the inner side of the first connecting hook 11 is tangent to the adjusting spring 10 allows the elastic force of the adjusting spring 10 to act more evenly on the first connecting hook 11, ensuring that the force when the first connecting hook 11 and the second connecting hook 17 are engaged is consistent, avoiding local wear caused by uneven force. The design that the second connecting hook 17 passes through the second through groove 14 allows the second through groove 14 to play an auxiliary guiding role in the movement of the second connecting hook 17, ensuring that it can accurately engage with the first connecting hook 11.

[0022] Furthermore, the connection structure includes a second support column 16 and a connecting plate 18. The second support column 16 is fixedly installed on the center of the side of the second mounting plate 13 away from the first mounting plate 4. A set of symmetrical auxiliary rods are fixedly installed on both sides of the second support column 16. The other end of the second support column 16 is fixedly connected to the connecting plate 18. A connecting groove is provided on the other side of the connecting plate 18. The auxiliary rods on both sides of the second support column 16 and the second support column 16 form a triangular support structure, which can significantly improve the bending resistance of the connecting plate 18 and enable the connecting plate 18 to withstand greater tension when connected to other parts of the television. The inner wall of the connecting groove on the connecting plate 18 is provided with anti-slip texture, which can increase the friction between the connecting parts, prevent relative sliding after connection, and enhance the connection stability of the overall structure.

[0023] Structural Description: Support plate 1: Support plate 1 is a support component on the outside of mounting plate 4. It is fixed to mounting plate 4 by support column 2 and auxiliary rod 3. Its flat surface can serve as a reference for component installation and enhance the load-bearing and deformation resistance of mounting plate 4. Support column 12: Support column 12 is a columnar structure that connects support plate 1 and mounting plate 4. It is located in the center of the two and plays the main supporting role. Together with auxiliary rod 3, it forms a stable support system. Auxiliary rod 3: Auxiliary rod 3 is a symmetrical rod-shaped structure on both sides of the support plate 1, with its two ends connected to the support plate 1 and the mounting plate 4 respectively, to disperse pressure and enhance the overall stability of the support structure; Mounting plate 14: Mounting plate 14 is one of the main components of the docking structure. It has a through groove 15 and a limiting rod 6 on the side, which cooperate with mounting plate 213 to achieve docking and support various structural components. Through slot 15: Through slot 15 is a through slot on the side of mounting plate 14, which corresponds to through slot 214. It allows connecting hook 217 to pass through and provides mating space for the docking structure. Limiting rod 6: The limiting rod 6 is a protruding structure on the side of the mounting plate 4, which is distributed in an isosceles triangle and has a groove at the outer end. It cooperates with the limiting bottom rod 15 to achieve precise positioning. Connecting block 7: Connecting block 7 is a block-shaped structure on the side of mounting plate 4, which is axially symmetrically distributed and has a through hole in the center. It cooperates with guide rod 12 to guide the docking direction and prevent deviation. Fixed plate 8: Fixed plate 8 is an L-shaped component on the side of mounting plate 4, corresponding to through groove 5, used to install mounting shaft 9 and connecting hook 11, and to limit the rotation range of connecting hook 11; Mounting shaft 9: Mounting shaft 9 is a shaft-shaped structure on the vertical side of the fixing plate 8. An adjusting spring 10 is installed on the outer surface to provide a rotation fulcrum for the connecting hook 11 and ensure its stable movement. Adjusting spring 10: Adjusting spring 10 is sleeved on the outer surface of mounting shaft 9, with one end tangent to connecting hook 11. The elastic force makes connecting hook 11 and connecting hook 2 17 tightly engaged to prevent loosening. Connecting hook 11: Connecting hook 11 is rotatably mounted on the side of the fixed plate 8 and is connected with connecting hook 2 17. It is maintained by the action of the adjusting spring 10 to ensure a firm connection. Guide rod 12: Guide rod 12 is a rod-shaped structure on the side of mounting plate 2 13. Its outer diameter matches the through hole of connecting block 7. It is inserted into connecting block 7 to guide the two mounting plates to accurately align. Mounting plate 2 13: Mounting plate 2 13 is another major component of the docking structure. It has a through groove 2 14 and a limiting bottom rod 15 on the side, which cooperate with mounting plate 1 4 to support the connection structure, etc. Through slot 2 14: Through slot 2 14 is a through slot on the side of mounting plate 2 13, corresponding to through slot 1 5, for connecting hook 2 17 to pass through, and to assist in positioning the movement trajectory of connecting hook 2 17; Limiting bottom rod 15: The limiting bottom rod 15 is a protruding structure on the side of the mounting plate 2 13, which corresponds to the limiting top rod 6. It has a protrusion at the outer end and cooperates with the limiting top rod 6 to achieve positioning. Support column 2 16: Support column 2 16 is a columnar structure on the side of mounting plate 2 13, with a central setting and auxiliary rods on both sides, which connects to the connecting plate 18 to enhance its bending resistance. Connecting hook 2 17: Connecting hook 2 17 is a hook-shaped structure on the side of mounting plate 2 13. It passes through through slot 2 14 and through slot 1 5 and cooperates with connecting hook 1 11 to fix the two mounting plates. Connecting plate 18: Connecting plate 18 is connected to mounting plate 13 via support column 2 16. On the other side, there is a connecting groove with anti-slip texture, which is used to connect other parts of the TV and prevent slippage. Working principle: During the docking operation, the guide structure first comes into play. The guide rod 12 on the second mounting plate 13 aligns with the through hole of the connecting block 7 on the first mounting plate 4 and is inserted. Because the outer diameter of the guide rod 12 is the same as the inner diameter of the central through hole of the connecting block 7, it can guide the first mounting plate 4 and the second mounting plate 13 to approach smoothly along the preset trajectory, avoiding deviation in the initial docking stage. During this process, the limiting structure is activated simultaneously. The limiting top rods 6, which are distributed in an isosceles triangle on the first mounting plate 4, and the corresponding limiting bottom rods 15 on the second mounting plate 13 gradually approach each other. The groove at the outer end of the limiting top rod 6 and the... The protrusions at the other end of the limiting base rod 15 interlock, utilizing the stability characteristics of a triangle to further limit the horizontal and vertical displacement of the two mounting plates, achieving precise positioning and solving the misalignment problem caused by hole deviation in traditional bolt connections. As the two mounting plates approach each other, the fixing component begins to work. The connecting hook 17 on the second mounting plate 13 passes through the through slot 14 and the first through slot 5, gradually contacting the connecting hook 11 on the side of the first mounting plate 4. Since the connecting hook 11 is rotatably mounted on the side of the fixing plate 8, and its inner side is aligned with the adjusting spring 1 on the outer surface of the mounting shaft 9... When the two connecting hooks 17 and 11 are tangent at one end, and the two hooks 11 continue to advance, the two hooks 11 will rotate around the fixed plate 8 and compress the adjusting spring 10, causing the adjusting spring 10 to undergo elastic deformation. When the two connecting hooks 17 are fully engaged, the elastic force of the adjusting spring 10 pushes the two connecting hooks 11 back to their original position, making them tightly engaged with the two connecting hooks 17, forming a firm locking state. Compared with traditional snap-fit ​​connections, this effectively reduces the loosening problem caused by vibration. At the same time, the support structure and the connecting structure play an auxiliary support role during the docking process. The support column 2 and auxiliary rod 3 on the support plate 4 connect the support plate 1 and the mounting plate 4 into a stable whole, enhancing the load-bearing capacity and deformation resistance of the mounting plate 4. The support column 16 and the auxiliary rods on both sides of the mounting plate 13 cooperate with the connecting plate 18 to not only provide structural support for the mounting plate 13, but also achieve stable connection with other components of the TV through the connecting groove of the connecting plate 18. The symmetrical distribution design of each structure ensures the uniform transmission of force, so that the entire docking structure is balanced when bearing the weight of the screen and internal components, avoiding structural damage caused by excessive local stress.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precise mating connection structure for an aluminum frame of a television set, characterized in that, include: Mounting plate one (4) and mounting plate two (13). Mounting plate one (4) has a limiting structure on its top and mounting plate two (13) is fixedly connected to the other side of the limiting structure. A set of axially symmetrical guide structures is provided between mounting plate one (4) and mounting plate two (13). Mounting plate one (4) has a support structure on its side away from mounting plate two (13). Mounting plate two (13) has a connecting structure on its side away from mounting plate one (4). Mounting plate one (4) has a set of through slot one (5) on its side. Mounting plate two (13) has a through slot two (14) at the position corresponding to through slot one (5). A fixing component is provided on the side of mounting plate one (4) away from mounting plate two (13). The fixing component includes a mounting structure and a docking structure. The mounting structure is symmetrically distributed on the side of mounting plate one (4). The docking structure is provided on the side of the mounting structure, and the side of the connecting structure is provided with a docking structure.

2. The precise butt joint connection structure for an aluminum frame of a television set according to claim 1, characterized in that, The support structure includes a support plate (1), a support column (2) and an auxiliary rod (3). The support column (2) is fixedly installed on the center of the side of the mounting plate (4) away from the mounting plate (2) and the support plate (1) is fixedly connected to the top of the support column (2). A set of symmetrical auxiliary rods (3) are fixedly installed on the support plate (1) on both sides of the support column (2) and the other end of the auxiliary rods (3) is fixedly connected to the mounting plate (4).

3. The precise butt joint connection structure for an aluminum frame of a television set according to claim 2, characterized in that, The limiting structure includes a limiting top rod (6) and a limiting bottom rod (15). The limiting top rod (6) is fixedly installed on the side of the mounting plate one (4) facing the mounting plate two (13) and is distributed in an isosceles triangle on the side of the mounting plate one (4). The limiting bottom rod (15) is fixedly installed on the side of the mounting plate two (13) facing the mounting plate one (4) and is distributed in a position corresponding to the limiting top rod (6). The limiting top rod (6) has a groove at one end and a protrusion at the other end of the limiting bottom rod (15). The limiting bottom rod (15) cooperates with the opposite end.

4. The precise butt joint connection structure for an aluminum frame of a television set according to claim 2, characterized in that, The guide structure includes a connecting block (7) and a guide rod (12). The connecting block (7) is fixedly installed on the side of the mounting plate one (4) facing the mounting plate two (13). The connecting block (7) is symmetrically distributed on the side of the mounting plate one (4). A through hole is opened in the center of the connecting block (7). A set of guide rods (12) is fixedly installed on the side of the mounting plate two (13) facing the mounting plate one (4). The outer diameter of the guide rod (12) is consistent with the inner diameter of the through hole in the center of the connecting block (7).

5. The precise butt joint connection structure for an aluminum frame of a television set according to claim 1, characterized in that, The mounting structure includes a fixing plate (8), a mounting shaft (9), and an adjusting spring (10). The fixing plate (8) is fixedly installed on the side of the mounting plate (4) corresponding to the side of the through groove (5). The fixing plate (8) is L-shaped. One end of the fixing plate (8) is fixedly connected to the side of the mounting plate (4). The mounting shaft (9) is fixedly installed on the vertical side of the fixing plate (8). The adjusting spring (10) is fixedly installed on the outer surface of the mounting shaft (9).

6. The precise butt joint connection structure for an aluminum mid-frame of a television set according to claim 5, characterized in that, The docking structure includes a first connecting hook (11) and a second connecting hook (17). The first connecting hook (11) is rotatably mounted on the side of the fixed plate (8). The inner side of the first connecting hook (11) is tangent to one end of the adjusting spring (10). The second connecting hook (17) is fixedly mounted on the side of the second mounting plate (13) away from the first mounting plate (4). The second connecting hook (17) passes through the second through groove (14) and is connected to the bottom of the first connecting hook (11).

7. The precise butt joint connection structure for an aluminum frame of a television set according to claim 1, characterized in that, The connection structure includes a second support column (16) and a connecting plate (18). The second support column (16) is fixedly installed on the center of the side of the second mounting plate (13) away from the first mounting plate (4). A set of symmetrical auxiliary rods are fixedly installed on both sides of the second support column (16). The other end of the second support column (16) is fixedly connected to the connecting plate (18). A connecting groove is provided on the other side of the connecting plate (18).

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