Digital television base backboard structure with positioning mechanism

Abstract

The invention discloses a digital television base backboard structure with a positioning mechanism, and relates to the technical field of television base backboards, the digital television base backboard structure comprises a backboard body, a base body is arranged at the bottom of the backboard body, a supporting sheet is fixedly connected to the top of the base body, a positioning insertion block is fixedly connected to the top of the supporting sheet, and a positioning groove is formed in the bottom of the backboard body; through the arrangement of a positioning mounting mechanism, the rotation of a rotating screw rod drives a sliding rod to slide, under the cooperation of a connecting piece and a connecting block, H-shaped clamping rods are inserted into the two sides of a positioning insertion block, meanwhile, under the driving of the sliding rod to a linkage rod, insertion columns are inserted into the positioning insertion block, and therefore multi-angle positioning and fixing of the positioning insertion block are completed; when the back plate body is supported by the base body, bolts at multiple positions do not need to be operated, the operation steps of positioning and fixing the positioning insertion blocks are simplified, deformation or damage caused by too large single-point stress is avoided, the stability of the base body when the back plate body is supported is improved, and the service life of the base body is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of television base back panels, in particular to a digital television base back panel structure with a positioning mechanism. Background Art

[0002] The digital TV base back panel structure is a key component designed to support and fix the digital TV. The digital TV base back panel usually includes the back panel itself and the base mounting part connected to it. The back panel serves as the main supporting structure, and the base mounting part is responsible for fixing the back panel and the base (such as an aluminum alloy base or a glass base) together to ensure that the digital TV can be firmly placed in the desired position.

[0003] For example, a Chinese patent with publication number CN103327272A discloses a TV back panel, which, when in use, is connected to the base through a base socket; a bracket socket is provided in the center of the back panel, which facilitates the back panel to be fixed to the TV wall through the bracket. It is only fixed to the wall by means of the socket. Since the TV has a certain weight when in use, it can be fixed to the wall relatively stably when it is not subjected to external force. However, if it is impacted by external objects, the TV back panel is likely to shake or fall off the wall, affecting the stability of the TV back panel after being installed on the wall. At the same time, the existing positioning and fixing mechanisms between the TV and the base are mostly solved by multiple bolts. When disassembling or installing, it is necessary to operate multiple bolts. The process of disassembly or positioning installation is relatively cumbersome and requires more time and effort.

[0004] Therefore, the present invention proposes a digital television base back plate structure with a positioning mechanism to solve the above problems. Summary of the invention

[0005] In view of this, the technical problem to be solved by the present invention is to propose a digital TV base back panel structure with a positioning mechanism to solve the problems of stability when the TV base back panel is installed on the wall and the complexity of operation when the base and the back panel are installed in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solutions: a digital TV base back plate structure with a positioning mechanism, comprising a back plate body, a base body is arranged at the bottom of the back plate body, a support sheet is fixedly connected to the top of the base body, a positioning plug is fixedly connected to the top of the support sheet, a positioning groove is opened at the bottom of the back plate body, and the positioning plug is slidably connected to the positioning groove, and also includes: a positioning installation mechanism, a protection reinforcement mechanism and a stabilizing protection mechanism; The positioning and installation mechanism is used to position, fix and remove the positioning plug, and the protection reinforcement mechanism is used to enhance the stability between the back panel body and the wall.

[0007] Preferably, the positioning and mounting mechanism includes a rotating screw, a mounting groove is opened on the rear side of the back panel body, the rotating screw is rotatably connected in the mounting groove, a sliding rod is threadedly connected to the outer surface of the rotating screw, and the sliding rod is slidably connected to the back panel body through the mounting groove.

[0008] Preferably, a connecting block is symmetrically slidably connected in the mounting groove of the back panel body, a connecting plate is rotatably connected to one side of the connecting block, the connecting plate is rotatably connected to the sliding rod at one end away from the connecting block, an H-shaped clamping rod is fixedly connected to the bottom of the connecting block, and the H-shaped clamping rod passes through the back panel body and is clamped with the positioning plug block.

[0009] Preferably, a guide column is fixedly connected to one side of the H-shaped clamping rod, a guide slider is symmetrically slidably connected in the mounting groove of the back panel body, an oblique groove is penetrated through one side of the guide slider, and the guide column is slidably connected to the oblique groove.

[0010] Preferably, a supporting slide rod is fixedly connected to the bottom of the guide slider, and the supporting slide rod is slidably connected to the back plate body, and a supporting spring is symmetrically fixedly connected to the bottom of the supporting slide rod, and a stop block is fixedly connected to the bottom of the supporting spring, and a linkage rod is symmetrically fixedly connected to one side of the sliding rod, and a column is fixedly inserted into one side of the linkage rod, and the column is clamped with the positioning block.

[0011] Preferably, the protection reinforcement mechanism includes a worm gear, which is fixedly connected to the outer surface of the rotating screw, and a worm is rotatably connected to the top of the back plate body, and the lower end of the worm is meshed with the worm gear.

[0012] Preferably, an air suction box body is symmetrically fixedly connected to one side of the back plate body, a piston rod is slidably connected inside the air suction box body, a push-pull rod is fixedly connected to the bottom of the piston rod, and the push-pull rod is fixedly connected to the guide slider.

[0013] Preferably, a reinforcement box body is symmetrically fixedly connected to one side of the back plate body, the reinforcement box body is communicated with the air intake box body, and air holes are equidistantly opened on one side of the reinforcement box body, and a rubber ring is fixedly connected to one end of the air holes.

[0014] Preferably, the stable protection mechanism includes a pressure plate, a reset spring is symmetrically fixedly connected to the bottom of the base body, the pressure plate is fixedly connected to the bottom end of the reset spring, a protection support rod is symmetrically penetrated and slidably connected to the outer surface of the base body, a connecting rod is rotatably connected between the protection support rod and the pressure plate, a friction block is fixedly connected to one end of the protection support rod away from the pressure plate, and the resistance block can penetrate the base body and contact the pressure plate.

[0015] Compared with the prior art, the present invention provides a digital TV base back plate structure with a positioning mechanism, which has the following beneficial effects: 1. Through the setting of the positioning and installation mechanism, the rotation of the rotating screw rod drives the sliding of the sliding rod. Under the cooperation of the connecting piece and the connecting block, the H-shaped clamping rod is inserted into the two sides of the positioning plug-in block. At the same time, under the driving of the sliding rod on the linkage rod, the plug column is inserted into the positioning plug-in block, thereby completing the multi-angle positioning and fixing of the positioning plug-in block. It is no longer necessary to operate multiple bolts, which not only simplifies the operation steps of positioning and fixing the positioning plug-in block, but also ensures the fixing effect of the positioning plug-in block through the multi-angle fixing of the positioning plug-in block. At the same time, in the process of positioning and fixing the positioning plug-in block, the stop block is connected to the base body through the cooperation of the guide column and the inclined groove, completing the auxiliary support between the back plate body and the base body. Compared with the prior art in which the support between the back plate body and the base body is completed by the support sheet, the support angle between the back plate body and the base body is increased, and multiple support points can more evenly disperse the weight of the back plate body, avoiding deformation or damage caused by excessive force on a single point, thereby improving the stability of the base body when supporting the back plate body, and improving the service life of the base body; 2. Through the cooperation of the protection reinforcement mechanism and the positioning installation mechanism, the suction generated by the reinforcement box body has a fixing effect on the back panel body and the wall, thereby improving the fixing effect and stability of the back panel body installed on the wall, preventing the back panel body from shaking or even falling off when subjected to external force, and improving the stability of the back panel body installed on the wall. At the same time, the suction adsorption effect is used to assist in fixing to the wall, which can reduce the number of holes punched or drilled on the wall, thereby reducing damage to the wall and improving the protection of the TV wall. At the same time, through the setting of the worm gear and the worm, the operating positions of the protection reinforcement mechanism and the positioning installation mechanism are both located at the top of the back panel body, avoiding the problem of inoperability when the back panel body is installed on the wall, and the protection reinforcement mechanism and the positioning installation mechanism are both driven by rotating the worm, which simplifies the operation process and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the present invention; Figure 2 For the present invention Figure 1 Partial three-dimensional structure diagram; Figure 3 For the present invention Figure 2 Partial cross-sectional structural diagram; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 This is a three-dimensional structural diagram of the guide column and the guide slider of the present invention; Figure 6 For the present invention Figure 5 The structure diagram at B is enlarged; Figure 7 This is a cross-sectional structural diagram of the air suction box body of the present invention; Figure 8 It is a cross-sectional structural diagram of the base body of the present invention.

[0017] In the figure: 1. Back panel body; 2. Base body; 21. Support sheet; 22. Positioning plug; 301, rotating screw; 302, sliding rod; 303, connecting block; 304, connecting piece; 305, H-shaped clamping rod; 306, guide column; 307, guide slider; 308, inclined groove; 309, supporting slide rod; 310, supporting spring; 311, stop block; 312, linkage rod; 313, plug column 401, worm wheel; 402, worm; 403, air suction box; 404, push-pull rod; 405, piston rod; 406, reinforced box; 407, air hole; 408, rubber ring; 501, pressure plate; 502, return spring; 503, protection support rod; 504, connecting rod; 505, friction block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0020] Embodiments of the present invention: Please refer to Figures 1 to 7 As shown: In order to solve the problems mentioned in the technical solution, the embodiment of the present application provides a digital TV base back plate structure with a positioning mechanism, including a back plate body 1, a base body 2 is arranged at the bottom of the back plate body 1, a support sheet 21 is fixedly connected to the top of the base body 2, a positioning plug 22 is fixedly connected to the top of the support sheet 21, a positioning groove is opened at the bottom of the back plate body 1, and the positioning plug 22 is slidably connected to the positioning groove, and also includes: a positioning installation mechanism, a protection reinforcement mechanism and a stabilizing protection mechanism; The positioning and installation mechanism is used to position, fix and remove the positioning plug 22, and the protection reinforcement mechanism is used to enhance the stability between the back panel body 1 and the wall.

[0021] The positioning and mounting mechanism includes a rotating screw 301, a mounting groove is opened on the rear side of the back panel body 1, the rotating screw 301 is rotatably connected in the mounting groove, the outer surface of the rotating screw 301 is threadedly connected with a sliding rod 302, the sliding rod 302 is slidingly connected to the back panel body 1 through the mounting groove, a connecting block 303 is symmetrically slidably connected in the mounting groove of the back panel body 1, a connecting piece 304 is rotatably connected to one side of the connecting block 303, the connecting piece 304 is rotatably connected to the sliding rod 302 at one end away from the connecting block 303, an H-shaped clamping rod 305 is fixedly connected to the bottom of the connecting block 303, the H-shaped clamping rod 305 passes through the back panel body 1 and is clamped with the positioning plug 22.

[0022] A guide column 306 is fixedly connected to one side of the H-shaped clamping rod 305, and a guide slider 307 is symmetrically slidably connected in the mounting groove of the back plate body 1. An inclined groove 308 is penetrated and opened on one side of the guide slider 307, and the guide column 306 is slidably connected to the inclined groove 308. A support slide bar 309 is fixedly connected to the bottom of the guide slider 307, and the support slide bar 309 is penetrated and slidably connected to the back plate body 1. A support spring 310 is symmetrically fixedly connected to the bottom of the support slide bar 309, and a stop block 311 is fixedly connected to the bottom of the support spring 310. The support spring 310 can reduce the impact of the stop block 311 and the pressure plate 501 when the stop block 311 contacts the pressure plate 501. At the same time, the rebound force of the support spring 310 can improve the contact force between the stop block 311 and the pressure plate 501. A linkage rod 312 is symmetrically fixedly connected to one side of the sliding rod 302, and a plug column 313 is fixedly inserted on one side of the linkage rod 312, and the plug column 313 is clamped with the positioning plug block 22; In the prior art, the TV is only fixed to the wall by means of a socket. Since the TV has a certain weight when in use, it can indeed be fixed to the wall relatively stably when it is not subjected to external force. However, if it is impacted by external objects, the back panel of the TV is likely to shake or fall off the wall, affecting the stability of the TV back panel after it is installed on the wall. At the same time, the existing positioning and fixing mechanisms between the TV and the base are mostly solved by multiple bolts. When disassembling or installing, it is necessary to operate multiple bolts. The process of disassembly or positioning installation is relatively cumbersome and requires more time and effort. Compared with the prior art, the implementation of this embodiment drives the sliding rod 302 to slide by the rotation of the rotating screw 301. Under the cooperation of the connecting piece 304 and the connecting block 303, the H-shaped clamping rod 305 is inserted into the two sides of the positioning plug block 22. At the same time, under the drive of the sliding rod 302 on the linkage rod 312, the plug column 313 is inserted into the positioning plug The multi-angle positioning and fixing of the positioning block 22 are completed in the block 22, and there is no need to operate multiple bolts. This not only simplifies the operation steps of positioning and fixing the positioning block 22, but also ensures the fixing effect of the positioning block 22 through the multi-angle fixing of the positioning block 22. At the same time, in the process of positioning and fixing the positioning block 22, the cooperation of the guide column 306 and the inclined groove 308 is used to connect the block 311 to the base body 2, thereby completing the auxiliary support between the back panel body 1 and the base body 2. Compared with the prior art, in which the support between the back panel body 1 and the base body 2 is completed by the support sheet 21, the support angle between the back panel body 1 and the base body 2 is increased, and multiple support points can more evenly disperse the weight of the back panel body 1, avoiding deformation or damage caused by excessive force on a single point, thereby improving the stability of the base body 2 when supporting the back panel body 1, and improving the service life of the base body 2.

[0023] For further examples, please refer to Figures 1 to 7 As shown: The protective reinforcement mechanism includes a worm gear 401, which is fixedly connected to the outer surface of the rotating screw 301. A worm 402 is rotatably connected to the top of the back plate body 1, and the lower end of the worm 402 is meshed with the worm gear 401. An air suction box body 403 is symmetrically fixedly connected to one side of the back plate body 1. A piston rod 405 is slidably connected in the air suction box body 403. A push-pull rod 404 is fixedly connected to the bottom of the piston rod 405. The push-pull rod 404 is fixedly connected to the guide slider 307. A reinforcement box body 406 is symmetrically fixedly connected to one side of the back plate body 1. The reinforcement box body 406 is connected to the air suction box body 403. One side of the box body 406 is provided with air holes 407 at equal intervals, and a rubber ring 408 is fixedly connected to one end of the air holes 407. The stable protection mechanism includes a pressure plate 501, and a reset spring 502 is symmetrically fixedly connected to the bottom of the base body 2. The pressure plate 501 is fixedly connected to the bottom end of the reset spring 502. A protection support rod 503 is symmetrically penetrated and slidably connected to the outer surface of the base body 2. A connecting rod 504 is rotatably connected between the protection support rod 503 and the pressure plate 501. A friction block 505 is fixedly connected to one end of the protection support rod 503 away from the pressure plate 501, and the stop block 311 can penetrate the base body 2 and contact the pressure plate 501; In the implementation of this embodiment, through the cooperation between the protection reinforcement mechanism and the positioning and installation mechanism, the suction generated by the reinforcement box body 406 has a fixing effect on the back panel body 1 and the wall, thereby improving the fixing effect and stability of the back panel body 1 installed on the wall, preventing the back panel body 1 from shaking or even falling off when subjected to external force, and improving the stability of the back panel body 1 installed on the wall. At the same time, the suction adsorption effect is used to assist in fixing to the wall, which can reduce the number of holes punched or drilled on the wall, thereby reducing the destruction and damage to the wall and improving the protection of the TV wall. At the same time, through the setting of the worm wheel 401 and the worm 402, the operating positions of the protection reinforcement mechanism and the positioning and installation mechanism are both located at the top of the back panel body 1, avoiding the problem of inoperability when the back panel body 1 is installed on the wall, and the protection reinforcement mechanism and the positioning and installation mechanism are both driven by rotating the worm 402, which simplifies the operation process and improves work efficiency.

[0024] Everything in the above example works like this: In the initial state: the positioning insert 22 slides into the positioning groove of the back plate body 1 , and the bottom of the stop block 311 does not contact the base body 2 .

[0025] The following is the working process of the positioning installation mechanism: The worm 402 is rotated. Since the bottom of the worm 402 is meshed with the worm wheel 401, when the worm 402 rotates, the worm wheel 401 and the rotating screw 301 can be driven to rotate simultaneously, so that the sliding rod 302 slides toward the worm wheel 401 under the action of the rotating screw 301. When the sliding rod 302 slides, it pushes the connecting piece 304 and makes the connecting piece 304 rotate a certain angle. Then, under the action of the connecting piece 304, the connecting piece 304 pushes the connecting block 303 to move toward the positioning plug 22, thereby driving the H-shaped clamping rod 305 to move toward the positioning plug 22, so that one end of the H-shaped clamping rod 305 passes through the back plate body 1 and is inserted into the positioning plug 22 and clamped therewith, thereby completing the positioning and fixing of the positioning plug 22; Furthermore, when the sliding rod 302 slides and approaches the worm gear 401, it will simultaneously drive the linkage rod 312 and the plug column 313 to approach the positioning plug block 22, and finally make one end of the plug column 313 inserted into the positioning plug block 22 and engage with the positioning plug block 22. At the same time, when the H-shaped clamping rod 305 moves toward the positioning plug block 22, it will drive the guide column 306 to move at the same time. Since the inclined groove 308 is inclined, the guide column 306 will push the inclined surface of the inclined groove 308, and drive the guide slider 307 to slide downward through the inclined groove 308, thereby driving the support slide rod 309 to slide downward, and making the 3 stop block 311 pass through the top of the base body 2. The rotation of the rotating screw 301 drives the sliding rod 302 to slide. Under the cooperation of the connecting piece 304 and the connecting block 303, the H-shaped clamping rod 305 is inserted into the two sides of the positioning plug block 22. At the same time, under the driving of the sliding rod 302 on the linkage rod 312, the plug post 313 is inserted into the positioning plug block 22, thereby completing the multi-angle positioning and fixing of the positioning plug block 22. There is no need to operate multiple bolts, which not only simplifies the operation steps of positioning and fixing the positioning plug block 22, but also ensures the fixing effect of the positioning plug block 22 through the multi-angle fixing of the positioning plug block 22. During the process of positioning and fixing the insert block 22, the stop block 311 is connected to the base body 2 through the cooperation of the guide column 306 and the inclined groove 308, thereby completing the auxiliary support between the back plate body 1 and the base body 2. Compared with the prior art in which the support between the back plate body 1 and the base body 2 is completed by the support sheet 21, the support angle between the back plate body 1 and the base body 2 is increased, and multiple support points can more evenly distribute the weight of the back plate body 1, avoiding deformation or damage caused by excessive force on a single point, thereby improving the stability of the base body 2 when supporting the back plate body 1, and improving the service life of the base body 2; Please refer to the above working process Figures 1 to 7 .

[0026] The following is the working process of the protection enhancement agency: When the back panel body 1 needs to be hung on the TV wall, the rubber ring 408 will contact and abut against the wall, and the worm 402 will be rotated in the same way, driving the rotating screw 301 to rotate through the worm gear 401, and driving the guide slider 307 to slide downward under the cooperation of the connecting piece 304, the connecting block 303, the guide column 306 and the inclined groove 308. At this time, the guide slider 307 slides downward to drive the push-pull rod 404 to move downward, so that the push-pull rod 404 pulls the piston rod 405, and then by pulling the piston rod 405, the volume between the suction box body 403 and the piston rod 405 increases, thereby generating negative pressure suction. Since the reinforcing box body 406 is connected to the suction box body 403, the air hole 407 is closed by contacting the wall through the rubber ring 408. At this time, the negative pressure suction in the reinforcing box body 406 will act on the wall through the reinforcing box body 406, so that the back panel body 1 is adsorbed to the wall through the negative pressure generated by the reinforcing box body 406; Through the cooperation of the protection reinforcement mechanism and the positioning and installation mechanism, the suction force generated by the reinforcement box body 406 has a fixing effect on the back panel body 1 and the wall, thereby improving the fixing effect and stability of the back panel body 1 installed on the wall, preventing the back panel body 1 from shaking or even falling off when subjected to external force, and improving the stability of the back panel body 1 installed on the wall. At the same time, the suction adsorption effect is used to assist in fixing to the wall, which can reduce the number of holes punched or drilled on the wall, thereby reducing the destruction and damage to the wall and improving the protection of the TV wall. At the same time, through the setting of the worm wheel 401 and the worm 402, the operating positions of the protection reinforcement mechanism and the positioning and installation mechanism are both located at the top of the back panel body 1, avoiding the problem of inoperability when the back panel body 1 is installed on the wall, and the protection reinforcement mechanism and the positioning and installation mechanism are both driven by rotating the worm 402, which simplifies the operation process and improves work efficiency. Please refer to the above working process Figures 1 to 7 .

[0027] The following is the working process of the stable protection mechanism When the support slide bar 309 drives the stop block 311 to be inserted into the base body 2, the stop block 311 begins to push the pressure plate 501 down, and the return spring 502 begins to compress, and then through the descent of the pressure plate 501, the connecting rod 504 can be driven to rotate and push the protective support rod 503 to slide outward, so that the protective support rod 503 slides out of the base body 2 and unfolds, thereby making the friction block 505 unfold, and then through the cooperation of the positioning installation mechanism and the stable protection mechanism, the base body 2 and the back plate body 1 are installed. At the same time, under the cooperation of the stop block 311 and the base body 2, the protective support rod 503 and the friction block 505 complete the unfolding work, thereby expanding the support area of ​​the base body 2, so that the base body 2 has a larger support and contact surface with the placement plane when in use, thereby improving the support effect of the base body 2 when in use, and at the same time, after the base body 2 is disassembled, the protective support rod 503 and the friction block 505 can be retracted under the rebound of the return spring 502, thereby reducing the occupied space of the base body 2.

[0028] Please refer to the above working process Figures 1 to 8 .

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A digital television base back panel structure with a positioning mechanism, comprising a back panel body (1), a base body (2) being arranged at the bottom of the back panel body (1), a support sheet (21) being fixedly connected to the top of the base body (2), a positioning plug (22) being fixedly connected to the top of the support sheet (21), a positioning groove being provided at the bottom of the back panel body (1), the positioning plug (22) being slidably connected to the positioning groove, and characterized in that: It also includes: a positioning and installation mechanism, a protection reinforcement mechanism and a stabilizing protection mechanism; The positioning and installation mechanism is used to position, fix and remove the positioning plug (22), and the protection reinforcement mechanism is used to enhance the stability between the back panel body (1) and the wall.

2. The digital TV base back plate structure with a positioning mechanism according to claim 1, characterized in that: The positioning and mounting mechanism comprises a rotating screw (301), a mounting groove is provided on the rear side of the back plate body (1), the rotating screw (301) is rotatably connected in the mounting groove, a sliding rod (302) is threadedly connected to the outer surface of the rotating screw (301), and the sliding rod (302) is slidably connected to the back plate body (1) via the mounting groove.

3. The digital TV base back plate structure with a positioning mechanism according to claim 2, characterized in that: A connecting block (303) is symmetrically slidably connected in the mounting groove of the back plate body (1); a connecting piece (304) is rotatably connected to one side of the connecting block (303); an end of the connecting piece (304) away from the connecting block (303) is rotatably connected to the sliding rod (302); an H-shaped clamping rod (305) is fixedly connected to the bottom of the connecting block (303); the H-shaped clamping rod (305) passes through the back plate body (1) and is clamped to the positioning plug block (22).

4. The digital TV base back plate structure with a positioning mechanism according to claim 3, characterized in that: A guide column (306) is fixedly connected to one side of the H-shaped clamping rod (305), a guide slider (307) is symmetrically slidably connected in the mounting groove of the back plate body (1), an oblique groove (308) is penetrated through one side of the guide slider (307), and the guide column (306) is slidably connected to the oblique groove (308).

5. The digital TV base back plate structure with a positioning mechanism according to claim 4, characterized in that: The bottom of the guide slider (307) is fixedly connected to a support slide bar (309), the support slide bar (309) is slidably connected to the back plate body (1), the bottom of the support slide bar (309) is symmetrically fixedly connected to a support spring (310), the bottom of the support spring (310) is fixedly connected to a stop block (311), one side of the slide bar (302) is symmetrically fixedly connected to a linkage rod (312), one side of the linkage rod (312) is fixedly plugged with an insertion column (313), and the insertion column (313) is snap-fitted to the positioning insertion block (22).

6. The digital TV base back plate structure with a positioning mechanism according to claim 4, characterized in that: The protection reinforcement mechanism comprises a worm wheel (401), the worm wheel (401) is fixedly connected to the outer surface of the rotating screw (301), a worm (402) is rotatably connected to the top of the back plate body (1), and the lower end of the worm (402) is meshed with the worm wheel (401).

7. The digital TV base back plate structure with a positioning mechanism according to claim 6, characterized in that: An air suction box (403) is symmetrically fixedly connected to one side of the back plate body (1), a piston rod (405) is slidably connected inside the air suction box (403), a push-pull rod (404) is fixedly connected to the bottom of the piston rod (405), and the push-pull rod (404) is fixedly connected to the guide slider (307).

8. The digital TV base back plate structure with a positioning mechanism according to claim 7, characterized in that: A reinforcing box body (406) is symmetrically fixedly connected to one side of the back plate body (1); the reinforcing box body (406) is connected to the air intake box body (403); air holes (407) are equidistantly provided on one side of the reinforcing box body (406); a rubber ring (408) is fixedly connected to one end of each air hole (407).

9. The digital TV base back plate structure with a positioning mechanism according to claim 6, characterized in that: The stable protection mechanism comprises a pressure plate (501), a reset spring (502) is symmetrically fixedly connected to the bottom of the base body (2), the pressure plate (501) is fixedly connected to the bottom end of the reset spring (502), a protection support rod (503) is symmetrically penetrated and slidably connected to the outer surface of the base body (2), a connecting rod (504) is rotatably connected between the protection support rod (503) and the pressure plate (501), and a friction block (505) is fixedly connected to one end of the protection support rod (503) away from the pressure plate (501), and the resistance block (311) can penetrate the base body (2) and contact the pressure plate (501).

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