Set top box with shielding cover

Abstract

The utility model discloses a set top box with a shielding case, which comprises a box body and a cover body, a circuit board is arranged in the box body, a shielding case body is arranged in the box body and above the circuit board, and the set top box further comprises a slot frame which is arranged in the box body and positioned at the position of the shielding case body, the fixing assembly comprises transmission shafts arranged at the two ends of the outer portion of the slot frame and cylindrical parts arranged at the two ends of the outer wall of the slot frame, movable blocks are elastically arranged on the inner walls of the cylindrical parts through fastening springs, and pressing plates are arranged in the middles of the ends, away from the fastening springs, of the outer walls of the movable blocks. Through mutual cooperation of the slot frame and the fixing assembly, the shielding case body can be automatically clamped, a worker can conveniently and rapidly disassemble, assemble and fix the shielding case body, in this way, the worker can install the shielding case body without bolts, and the labor intensity of the worker is reduced.

Description

Technical Field

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

[0002] A set-top box, or digital video converter box, or STB for short, is a device that connects a TV set to an external signal source. It can convert compressed digital signals into TV content and display it on the TV set. In addition to the images and sounds that analog TVs can provide, the set-top box can also receive digital content, including electronic program guides, Internet pages, etc.

[0003] At present, since there are many electronic components inside the set-top box, in order to prevent external electromagnetic waves from interfering with the internal circuit, the staff will use a shielding cover to isolate the interference signal. When the existing set-top box with a shielding cover is used, the installation method of the shielding cover is generally achieved by fixing with bolts. Therefore, whether it is installed or disassembled, the staff must remove the bolts one by one, and the operation process is time-consuming and laborious. Therefore, a set-top box with a shielding cover is provided. Utility Model Content

[0004] The utility model aims to provide a set-top box with a shielding cover to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a set-top box with a shielding cover, comprising a box body and a cover body, a circuit board is arranged inside the box body, a shielding cover body is arranged inside the box body and above the circuit board, and also includes: a slot frame arranged inside the box body and located at the position of the shielding cover body, and a fixing component for fixing the shielding cover body, the fixing component includes a transmission shaft arranged at both ends of the outside of the slot frame, and a columnar member arranged at both ends of the outer wall of the slot frame, the inner wall of the columnar member is elastically provided with a movable block through a tightening spring, and a pressure plate is arranged on the outer wall of the movable block and in the middle of one end away from the tightening spring.

[0006] Preferably, the slot frame is connected to the box body, the shielding cover body and the slot frame are slidably arranged, a fixing seat for supporting the columnar member is arranged at the bottom of the columnar member, the fixing seat is connected to the slot frame, and the columnar member and the fixing seat are rotatably arranged through a connecting shaft.

[0007] Preferably, the pressure plate is designed to be an arc-shaped structure, the pressure plate and the movable block are formed in one piece, an anti-slip pad is provided in the middle of the convex surface of the pressure plate, and a worm gear is fixedly installed in the middle of the top end of the columnar member.

[0008] Preferably, a worm is fixedly installed on the outer wall of the transmission shaft and located at each worm wheel position, and the worm is meshed with the worm wheel. Support seats are provided on both sides of the outer wall of the transmission shaft and located at the worm position, and the support seats are connected to the slot frame, and the transmission shaft and the support seats are rotatably arranged.

[0009] Preferably, the outer end of the transmission shaft is connected and assembled with the output end of an external driving motor, and motor fixing plates are fixedly provided at both ends of the outer wall of the slot frame and located at the position of the driving motor, and the driving motor is mounted on the motor fixing plate.

[0010] Preferably, elastic parts are provided at both ends of the slot frame, the elastic parts are designed in a V-shaped structure, one end of the elastic part is connected to the slot frame, and the other end of the elastic part is provided with a clamping piece for pressing the shielding cover body, and the elastic part and the clamping piece are integrally formed.

[0011] The set-top box provided with a shielding cover of the utility model has the following advantages:

[0012] 1. The utility model can automatically clamp the shielding cover body through the cooperation of the slot frame and the fixing assembly, so that the staff can quickly disassemble and fix the shielding cover body, and the operation process is time-saving and labor-saving. By using this method, the staff can install the shielding cover body without bolts, reducing the labor intensity of the staff.

[0013] 2. The utility model can perform secondary fixation on the placed shielding cover body by arranging elastic members and clamping sheets inside the slot frame, thereby improving the stability of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is an exploded view of the overall structure of the utility model;

[0016] Figure 2 It is an enlarged plan cross-sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of the local structure of the utility model;

[0018] Figure 4 It is a side view of the local structure of the utility model.

[0019] Explanation of marks in the figure: 1. Cover body; 2. Box body; 3. Slot frame; 301. Elastic member; 302. Clamping piece; 4. Shielding cover body; 5. Fixing assembly; 501. Driving motor; 502. Motor fixing plate; 503. Transmission shaft; 504. Worm; 505. Columnar member; 506. Adapter shaft; 507. Fixing seat; 508. Support seat; 509. Worm gear; 510. Fastening spring; 511. Movable block; 512. Anti-slip pad; 513. Pressure plate; 6. Circuit board. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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 cannot be understood as a limitation on the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present invention, a set-top box with a shielding cover of the present invention is further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, the utility model is a set-top box with a shielding cover, including a box body 2 and a cover body 1, a circuit board 6 is arranged inside the box body 2, a shielding cover body 4 is arranged inside the box body 2 and above the circuit board 6, and the device also includes: a slot frame 3 arranged inside the box body 2 and located at the position of the shielding cover body 4, used for positioning the shielding cover body 4, and a fixing component 5 for fixing the shielding cover body 4.

[0027] Specifically, the slot frame 3 is connected to the box body 2, the shielding cover body 4 and the slot frame 3 are slidably arranged, and elastic members 301 are arranged at both ends inside the slot frame 3. The elastic member 301 is designed in a V-shaped structure. One end of the elastic member 301 is connected to the slot frame 3, and the other end of the elastic member 301 is provided with a clamping piece 302 for pressing the shielding cover body 4. The elastic member 301 and the clamping piece 302 are integrally formed, and the elastic member 301 is used to provide a force to the clamping piece 302. A slope is provided at the connection between the elastic member 301 and the clamping piece 302 to facilitate the staff to insert the shielding cover body 4 and avoid jamming.

[0028] Specifically, the fixing component 5 includes a transmission shaft 503 arranged at both ends of the outside of the slot frame 3, and a columnar member 505 arranged at both ends of the outer wall of the slot frame 3. A fixing seat 507 for supporting the columnar member 505 is arranged at the bottom of the columnar member 505, and the fixing seat 507 is connected to the slot frame 3. The columnar member 505 and the fixing seat 507 are rotatably arranged through the adapter shaft 506. The inner wall of the columnar member 505 is elastically provided with a movable block 511 through a fastening spring 510. A pressure plate 513 is arranged on the outer wall of the movable block 511 and in the middle of one end away from the fastening spring 510 for applying pressure to the shielding cover body 4. The pressure plate 513 is designed in an arc-shaped structure. The pressure plate 513 and the movable block 511 are integrally formed. An anti-slip pad 512 is arranged in the middle of the convex surface of the pressure plate 513 for increasing the friction at the joint. A worm gear 509 is fixedly installed in the middle of the top of the columnar member 505.

[0029] Furthermore, a worm 504 is fixedly installed on the outer wall of the transmission shaft 503 and at the position of each worm gear 509, which is used to cooperate with the worm gear 509 to drive the columnar member 505, so that the pressure plate 513 rotates toward the shielding cover body 4, and the worm 504 is meshed with the worm gear 509. Support seats 508 are provided on both sides of the outer wall of the transmission shaft 503 and at the position of the worm 504, which are used to stabilize the transmission shaft 503 and the worm 504. The support seat 508 is connected to the slot frame 3, and the transmission shaft 503 and the support seat 508 are rotatably arranged. The outer end of the transmission shaft 503 is connected and assembled with the output end of the external driving motor 501, and motor fixing plates 502 are fixedly installed at both ends of the outer wall of the slot frame 3 and at the position of the driving motor 501. The driving motor 501 is installed on the motor fixing plate 502, and notches are opened through both ends of the outer wall of the slot frame 3 and at the position of each columnar member 505, and the specifications of the notches are set to be larger than the specifications of the pressure plate 513.

[0030] According to the above, the utility model can automatically clamp the shielding cover body 4 through the cooperation between the slot frame 3 and the fixing assembly 5, so that the staff can quickly disassemble and fix the shielding cover body 4, and the operation process is time-saving and labor-saving. In this way, the staff can install the shielding cover body 4 without bolts, thereby reducing the labor intensity of the staff. The utility model can perform secondary fixation on the placed shielding cover body 4 by arranging an elastic member 301 and a clamping piece 302 inside the slot frame 3, thereby improving the stability of the joint.

[0031] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A set-top box provided with a shielding cover, comprising a box body (2) and a cover body (1), wherein a circuit board (6) is arranged inside the box body (2), and a shielding cover body (4) is arranged inside the box body (2) and above the circuit board (6), characterized in that: Also includes: A slot frame (3) is arranged inside a box body (2) and located at the position of a shielding cover body (4), and a fixing component (5) for fixing the shielding cover body (4), wherein the fixing component (5) comprises a transmission shaft (503) arranged at two ends of the outside of the slot frame (3), and a columnar member (505) arranged at two ends of the outer wall of the slot frame (3), the inner wall of the columnar member (505) is elastically provided with a movable block (511) through a tightening spring (510), and a pressure plate (513) is arranged on the outer wall of the movable block (511) and in the middle of one end away from the tightening spring (510).

2. A set-top box with a shielding cover according to claim 1, characterized in that: The slot frame (3) is connected to the box body (2), the shielding cover body (4) and the slot frame (3) are slidably arranged, a fixing seat (507) for supporting the columnar member (505) is arranged at the bottom of the columnar member (505), the fixing seat (507) is connected to the slot frame (3), and the columnar member (505) and the fixing seat (507) are rotatably arranged via a transfer shaft (506).

3. A set-top box with a shielding cover according to claim 1, characterized in that: The pressure plate (513) is designed to be an arc-shaped structure. The pressure plate (513) and the movable block (511) are integrally formed. An anti-slip pad (512) is provided in the middle of the convex surface of the pressure plate (513). A worm gear (509) is fixedly installed in the middle of the top end of the columnar member (505).

4. A set-top box with a shielding cover according to claim 3, characterized in that: A worm (504) is fixedly mounted on the outer wall of the transmission shaft (503) and located at each worm wheel (509); the worm (504) is meshed with the worm wheel (509); support seats (508) are arranged on both sides of the outer wall of the transmission shaft (503) and located at the worm wheel (504); the support seats (508) are connected to the slot frame (3); and the transmission shaft (503) and the support seats (508) are rotatably arranged.

5. A set-top box with a shielding cover according to claim 1, characterized in that: The outer end of the transmission shaft (503) is connected and assembled with the output end of the external driving motor (501), and a motor fixing plate (502) is fixedly provided at both ends of the outer wall of the slot frame (3) and located at the position of the driving motor (501), and the driving motor (501) is installed on the motor fixing plate (502).

6. A set-top box with a shielding cover according to claim 1, characterized in that: Elastic members (301) are provided at both ends of the slot frame (3); the elastic member (301) is designed in a V-shaped structure; one end of the elastic member (301) is connected to the slot frame (3); and the other end of the elastic member (301) is provided with a clamping piece (302) for pressing the shielding cover body (4); the elastic member (301) and the clamping piece (302) are integrally formed.

Images