Shielding cover structure in set top box and set top box

Abstract

The utility model relates to the technical field of set top boxes, and discloses a shielding case structure in a set top box and the set top box, the shielding case structure comprises a shielding plate, two sides of the top of the shielding plate are provided with electronic components, two sides of the shielding plate are provided with rectangular grooves, and the surfaces of the rectangular grooves are slidably connected with shielding cases. Sleeves are fixedly connected to the two sides of the top of the shielding cover, first movable rings are rotationally connected to the inner top walls of the sleeves, and springs are fixedly connected to the bottoms of the first movable rings. According to the shielding case structure in the set top box and the set top box, through the arrangement of the shielding plate, the shielding case, the sleeve, the first movable ring, the spring, the second movable ring, a baffle, a connecting rod, a knob and a bottom plate, when the shielding case needs to be disassembled, the knob is pressed downwards and rotated to drive the connecting rod to rotate, and the baffle at one end of the connecting rod rotates a limiting groove; the first movable ring and the second movable ring at the two ends of the spring rotate on the inner top wall of the sleeve and the top of the baffle correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of set-top boxes, in particular to a shielding cover structure in a set-top box and the set-top box. Background Art

[0002] A set-top box is an external device for a television or display screen that can receive digital television signals and convert them into video signals that can be displayed on the television. It is usually used to provide digital television programs, online videos, Internet applications and other functions. The shielding cover structure in the set-top box is designed to protect the internal electronic components of the device from external interference and electromagnetic radiation. The shielding cover is usually made of metal material and can effectively shield external electromagnetic waves and prevent them from affecting the internal electronic components of the device.

[0003] Among them, the Chinese patent (CN210781144U) discloses a shielding cover structure in a set-top box, including a set-top box and a PCB board arranged inside the set-top box, the PCB board is fixedly connected to the set-top box through a plurality of mounting bolts, the PCB board is provided with a plurality of mounting holes for the mounting bolts to pass through, two groups of electronic components are arranged on the upper surface of the PCB board, a shielding frame is fixedly connected inside the set-top box, a shielding cover is arranged at the upper end of the shielding frame, and the shielding cover is fixedly connected to the shielding frame through a locking mechanism. The utility model has a reasonable structural design, and the shielding cover can be fixed without welding, which is convenient for the maintenance operation of the electronic components and also speeds up the maintenance.

[0004] The shielding cover structure in the set-top box in the above-mentioned reference document has deficiencies: although the shielding cover is fixed by bolts to facilitate the inspection and repair of electronic components, it is cumbersome to unscrew the bolts, and the bolts need to be placed properly after unscrewing to avoid losing them and preventing the shielding cover from being fixed, which makes it inconvenient to install and remove the shielding cover, reducing the work efficiency of the staff;

[0005] For this reason, we design a shielding cover structure in a set-top box and a set-top box. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The technical problem solved by the utility model is to provide a shielding cover structure in a set-top box and a set-top box which is highly practical and can be easily operated and has a relatively simple structure, thereby solving the problem of the inconvenience in installing and removing the shielding cover raised in the above-mentioned background technology.

[0008] (II) Technical solution

[0009] To achieve the above purpose, the utility model is implemented through the following technical solutions: a shielding cover structure in a set-top box and a set-top box, comprising a shielding plate, electronic components are arranged on both sides of the top of the shielding plate, rectangular grooves are opened on both sides of the shielding plate, shielding covers are slidably connected to the surface of the rectangular grooves, sleeves are fixedly connected to both sides of the top of the shielding cover, a first movable ring is rotatably connected to the inner top wall of the sleeve, a spring is fixedly connected to the bottom of the first movable ring, one end of the spring is fixedly connected to the second movable ring, a baffle is rotatably connected to the surface of the second movable ring, a connecting rod is sleeved inside the spring, one end of the connecting rod is fixedly connected to the top center of the baffle, and the other end of the connecting rod passes through the shielding plate and the sleeve and is fixedly connected to a knob.

[0010] Optionally, a heightening block is fixedly connected to the surface of the shielding plate via a fixing bolt. The heightening block can create a gap between the shielding plate and the bottom plate to facilitate heat dissipation. The bottom of the heightening block is fixedly connected to the bottom plate.

[0011] Optionally, the bottom of the base plate is fixedly connected to a shell by bolts around the periphery, and the screws can conveniently disassemble the shell, and the bottom of the base plate is fixedly connected to a foot pad.

[0012] Optionally, elliptical grooves are provided on both sides of the top of the bottom plate, and limiting grooves are provided on the inner walls on both sides of the elliptical grooves. Both ends of the baffle can be inserted into the limiting grooves to simply fix the shielding cover on the shielding plate, and the limiting grooves are provided in opposite directions.

[0013] Optionally, a groove identical to the elliptical groove is provided at the bottom of the shielding cover, so that the baffle can be moved upward into the shielding cover by the spring after rotating out of the limit groove, and a circular hole is provided on the inner top wall of the groove.

[0014] Optionally, a transparent plate is provided on one side of the shell, and a heat dissipation groove is provided on the other side of the shell, and the heat dissipation groove can help the electronic components dissipate heat.

[0015] (III) Beneficial effects

[0016] The utility model provides a shielding cover structure in a set-top box and a set-top box, which has the following beneficial effects:

[0017] The shielding cover structure and the set-top box in the set-top box are provided with a shielding plate, a shielding cover, a sleeve, a first movable ring, a spring, a second movable ring, a baffle, a connecting rod, a knob and a bottom plate. When it is necessary to remove the shielding cover, the knob is pressed down and turned to drive the connecting rod to rotate, so that the baffle at one end thereof rotates around the limit groove. At this time, the first movable ring and the second movable ring at both ends of the spring rotate on the inner top wall of the sleeve and the top of the baffle respectively. After the baffle is rotated into the elliptical groove, the knob is released, and one end of the spring drives the second movable ring and the baffle to move upward. Then the shielding cover can be removed from the surface of the shielding plate to complete the disassembly of the shielding cover, thereby facilitating the disassembly of the shielding cover, reducing the tediousness of removing the bolts to disassemble the shielding cover, and improving the work efficiency of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the shielding cover of the utility model;

[0021] Figure 4 This is a schematic diagram of the baffle structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the bottom plate of the utility model.

[0023] In the figure: 1. shielding plate; 2. electronic component; 3. shielding cover; 4. sleeve; 5. first movable ring; 6. spring; 7. second movable ring; 8. baffle; 9. connecting rod; 10. knob; 11. fixing bolt; 12. bottom plate; 13. bolt; 14. outer shell. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5The utility model provides a technical solution: a shielding cover structure in a set-top box and a set-top box, comprising a shielding plate 1, electronic components 2 are arranged on both sides of the top of the shielding plate 1, rectangular grooves are opened on both sides of the shielding plate 1, shielding covers 3 are slidably connected to the surface of the rectangular grooves, sleeves 4 are fixedly connected to both sides of the top of the shielding cover 3, a first movable ring 5 is rotatably connected to the inner top wall of the sleeve 4, a spring 6 is fixedly connected to the bottom of the first movable ring 5, one end of the spring 6 is fixedly connected to the second movable ring 7, a baffle 8 is rotatably connected to the surface of the second movable ring 7, a connecting rod 9 is sleeved inside the spring 6, one end of the connecting rod 9 is fixedly connected to the center of the top of the baffle 8, and the other end of the connecting rod 9 penetrates the shielding plate 1 and the sleeve 4 are fixedly connected with a knob 10. When the shielding cover 3 needs to be removed, the knob 10 is pressed downward and rotated to drive the connecting rod 9 to rotate, so that the baffle 8 at one end thereof rotates the limiting groove. At this time, the first movable ring 5 and the second movable ring 7 at both ends of the spring 6 rotate on the inner top wall of the sleeve 4 and the top of the baffle 8 respectively. After the baffle 8 is turned into the elliptical groove, the knob 10 is released, and one end of the spring 6 drives the second movable ring 7 and the baffle 8 to move upward, and then the shielding cover 3 is removed from the surface of the shielding plate 1 to complete the disassembly of the shielding cover 3, which plays a role in facilitating the disassembly of the shielding cover 3, reduces the tediousness of needing to unscrew the bolts 13 to disassemble the shielding cover 3, and improves the work efficiency of the high-level operators;

[0026] The surface of the shielding plate 1 is fixedly connected with a heightening block through a fixing bolt 11. The heightening block can create a gap between the shielding plate 1 and the bottom plate 12 to facilitate heat dissipation. The bottom of the heightening block is fixedly connected with the bottom plate 12.

[0027] The bottom of the bottom plate 12 is fixedly connected to a housing 14 by bolts 13. The bolts 13 can conveniently disassemble the housing 14. The bottom of the bottom plate 12 is fixedly connected to a foot pad.

[0028] Elliptical grooves are provided on both sides of the top of the bottom plate 12, and limiting grooves are provided on the inner walls of both sides of the elliptical grooves. Both ends of the baffle plate 8 can be inserted into the limiting grooves to simply fix the shielding cover 3 on the shielding plate 1, and the limiting grooves are provided in opposite directions;

[0029] The bottom of the shielding cover 3 is provided with a groove which is the same as the elliptical groove, so that the baffle 8 can be moved upward into the shielding cover 3 by the spring 6 after rotating out of the limit groove, and the inner top wall of the groove is provided with a circular hole;

[0030] A transparent plate is disposed on one side of the housing 14 , and a heat dissipation groove is provided on the other side of the housing 14 , and the heat dissipation groove can help the electronic component 2 dissipate heat.

[0031] In the utility model, the working steps of the device are as follows:

[0032] When it is necessary to remove the shielding cover 3, press the knob 10 downward and turn the knob 10 to drive the connecting rod 9 to rotate, so that the baffle 8 at one end of it rotates the limit groove. At this time, the first movable ring 5 and the second movable ring 7 at both ends of the spring 6 rotate on the inner top wall of the sleeve 4 and the top of the baffle 8 respectively. After the baffle 8 is rotated into the elliptical groove, release the knob 10, and one end of the spring 6 drives the second movable ring 7 and the baffle 8 to move upward to the groove inside the shielding cover 3. Then the shielding cover 3 is removed from the surface of the shielding plate 1 to complete the disassembly of the shielding cover 3. The installation process is the opposite of the disassembly process.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the 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 shielding cover structure in a set-top box, comprising a shielding plate (1), characterized in that: Electronic components (2) are arranged on both sides of the top of the shielding plate (1); rectangular grooves are provided on both sides of the shielding plate (1); a shielding cover (3) is slidably connected to the surface of the rectangular groove; sleeves (4) are fixedly connected to both sides of the top of the shielding cover (3); a first movable ring (5) is rotatably connected to the inner top wall of the sleeve (4); a spring (6) is fixedly connected to the bottom of the first movable ring (5); one end of the spring (6) is fixedly connected to a second movable ring (7); a baffle (8) is rotatably connected to the surface of the second movable ring (7); a connecting rod (9) is sleeved inside the spring (6); one end of the connecting rod (9) is fixedly connected to the center of the top of the baffle (8); the other end of the connecting rod (9) passes through the shielding plate (1) and the sleeve (4) and is fixedly connected to a knob (10).

2. The shielding cover structure in a set-top box according to claim 1, characterized in that: The surface of the shielding plate (1) is fixedly connected to a heightening block via a fixing bolt (11), and the bottom of the heightening block is fixedly connected to a bottom plate (12).

3. The shielding cover structure in a set-top box according to claim 2, characterized in that: The bottom of the base plate (12) is fixedly connected to a housing (14) via bolts (13) around the periphery, and the bottom of the base plate (12) is fixedly connected to a foot pad.

4. The shielding cover structure in a set-top box according to claim 2, characterized in that: Elliptical grooves are provided on both sides of the top of the bottom plate (12), and limiting grooves are provided on the inner walls on both sides of the elliptical groove, and the limiting grooves are provided in opposite directions.

5. The shielding cover structure in a set-top box according to claim 1, characterized in that: The bottom of the shielding cover (3) is provided with a groove which is the same as the elliptical groove, and the inner top wall of the groove is provided with a circular hole.

6. The shielding cover structure in a set-top box according to claim 3, characterized in that: A transparent plate is provided on one side of the housing (14), and a heat dissipation groove is provided on the other side of the housing (14).

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