CN215344820U - Electronic tuner - Google Patents

Abstract

The utility model provides an electronic tuner which comprises a front cover, an enclosing frame and a reverse cover, wherein the front cover is made of metal materials, the front cover is detachably arranged at the upper end of the enclosing frame, the reverse cover is detachably arranged at the lower end of the enclosing frame, and a plurality of mounting feet are arranged at the edge of the lower surface of the enclosing frame; enclose the frame inside and be provided with the PCB board and mould the pressure terminal, the one side of enclosing the frame is provided with the socket, the one end of socket is located encloses the frame outside, and the other end has the lock pin, the lock pin links to each other with the PCB board. The electronic tuner has the characteristics of small volume and thin thickness after installation. The enclosure frame, the front cover and the reverse cover are made of conductor metal plates by a cold stamping sheet metal process, are integrally formed, are high in production and processing efficiency, form a closed shell cavity, have a good shielding effect and ensure the performance of the PCB.

Description

Electronic tuner

Technical Field

The utility model relates to the field of television components, in particular to an electronic tuner.

Background

With the multifunctionalization of the television, higher requirements are put forward on the structural compactness of the internal components. The electronic tuner of the television which is commonly used at present has large volume and occupies much space, and the layout difficulty of the components in the television is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electronic tuner with small volume and stable performance.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the electronic tuner comprises a front cover, an enclosing frame and a reverse cover, wherein the front cover is made of metal materials, the front cover is detachably arranged at the upper end of the enclosing frame, the reverse cover is detachably arranged at the lower end of the enclosing frame, and a plurality of mounting feet are arranged at the edge of the lower surface of the enclosing frame; enclose the frame inside and be provided with the PCB board and mould the pressure terminal, the one side of enclosing the frame is provided with the socket, the one end of socket is located encloses the frame outside, and the other end has the lock pin, the lock pin links to each other with the PCB board.

Furthermore, the top of enclosing the frame outer wall is provided with a plurality of triangle-shaped protruding muscle to one side, and the edge of front cover is provided with a plurality of wave buckles, and every goes up the wave buckle and is connected with the protruding muscle lock of triangle-shaped to one side.

Furthermore, the bottom of enclosing the frame outer wall is provided with a plurality of outer protruding muscle to one side, and the edge of anti-lid is provided with a plurality of wave buckles down, and every wave buckle is connected with the protruding muscle lock of one outer oblique down.

Further, the inner wall of enclosing the frame is provided with a plurality of support bosss, the below of supporting the boss is provided with a plurality of location hooks, the upper surface and the support boss contact of PCB board, the lower surface and the contact of location hook.

Further, enclose and be provided with ground connection pin in the frame, ground connection pin links to each other with the anti-lid, the inner wall of enclosing the frame is provided with a plurality of welding sand grips, the edge weld of every welding sand grip and PCB board.

Furthermore, an elastic sheet is arranged on the upper surface of the reverse cover and is in compression contact with the grounding pin.

Further, mould and press the terminal including plastic skeleton, plastic skeleton's lower surface is provided with many metal needles, plastic skeleton's upper surface is provided with the draw-in groove, it is provided with the cardboard to enclose the frame, the draw-in groove joint in the cardboard.

Further, the outer wall of the enclosing frame is provided with a plurality of fixing tenons.

The utility model has the beneficial effects that: the electronic tuner has the characteristics of small volume and thin thickness after installation. The enclosure frame, the front cover and the reverse cover are made of conductor metal plates by a cold stamping sheet metal process, are integrally formed, are high in production and processing efficiency, form a closed shell cavity, have a good shielding effect and ensure the performance of the PCB.

Drawings

Fig. 1 and 2 are overall perspective views of an electronic tuner;

fig. 3 is an exploded schematic view of an electronic tuner;

fig. 4 to 12 are schematic views of the enclosure;

FIG. 13 is a schematic view of a compression molded terminal;

FIG. 14 is a schematic view of a flip cover;

fig. 15 and 16 are schematic views of the front cover.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 and 2, the electronic tuner of the present invention includes a front cover 1 made of metal, an enclosure frame 2, and a back cover 6, wherein the front cover 1 is detachably mounted on the upper end of the enclosure frame 2, and the back cover 6 is detachably mounted on the lower end of the enclosure frame 2. The positive cover 1, the enclosing frame 2 and the reverse cover 6 enclose a cavity, the PCB 5 and the like are installed in the cavity, and the positive cover 1, the enclosing frame 2 and the reverse cover 6 are made of metal conductive materials, so that the electromagnetic shielding function is good, and the stable work of internal elements is guaranteed. In addition, the front cover 1, the surrounding frame 2 and the reverse cover 6 are all made of thin-wall materials, are manufactured by adopting a cold stamping sheet metal process and are integrally formed, the production and processing efficiency is high, and the manufacturing cost is low.

The front cover 1, the surrounding frame 2 and the reverse cover 6 can be connected by screws, and in order to realize quick assembly and disassembly, as a preferred real-time mode: the top of enclosing frame 2 outer wall is provided with a plurality of triangle-shaped protruding muscle to one side, and the edge of just covering 1 is provided with a plurality of wave buckles on, and every goes up the wave buckle and is connected with the protruding muscle lock of triangle-shaped to one side. Specifically, as shown in fig. 4, 5, 15 and 16, the oblique triangular ribs include a first oblique triangular rib 201, a second oblique triangular rib 202, a third oblique triangular rib 203, a fourth oblique triangular rib 204, a fifth oblique triangular rib 205, a sixth oblique triangular rib 206, a seventh oblique triangular rib 207, an eighth oblique triangular rib 209, a ninth oblique triangular rib 209 and a tenth oblique triangular rib 2001, the upper wavy buckle includes a first upper wavy buckle plate 101, a second upper wavy buckle plate 102, a third upper wavy buckle plate 103, a fourth upper wavy buckle plate 104, a fifth upper wavy buckle plate 105, a sixth upper wavy buckle plate 106, a seventh upper wavy buckle plate 107, an eighth upper wavy buckle plate 108, a ninth upper wavy buckle plate 109 and a tenth upper wavy buckle plate 10A, and when assembling, the front cover 1 is pressed downward to press each oblique triangular rib into the upper wavy buckle plate, realize quick lock joint.

Meanwhile, the bottom of the outer wall of the enclosure frame 2 is provided with a plurality of outward inclined convex ribs, the edge of the reverse cover 6 is provided with a plurality of lower wavy buckling plates, and each lower wavy buckling plate is connected with at least one outward inclined convex rib in a buckling manner. Specifically, as shown in fig. 6, 7 and 13, the outward-slanting convex ribs include a first outward-slanting convex rib 211, a second outward-slanting convex rib 212, a third outward-slanting convex rib 213, a fourth outward-slanting convex rib 214, a fifth outward-slanting convex rib 215, a sixth outward-slanting convex rib 216, a seventh outward-slanting convex rib 217, an eighth outward-slanting convex rib 218, a ninth outward-slanting convex rib 219 and a tenth outward-slanting convex rib 2101, the lower wavy buckle includes a first lower wavy buckle 601, a second lower wavy buckle 602, a third lower wavy buckle 603, a fourth lower wavy buckle 604, a fifth lower wavy buckle 605, a sixth lower wavy buckle 606, a seventh lower wavy buckle 607, an eighth lower wavy buckle 608 and a ninth lower wavy buckle 609, and during assembly, the reverse cover 6 is pressed upward to press each outward-slanting convex rib into the lower wavy buckle, thereby achieving quick snap-fit connection.

The edge of the lower surface of the enclosure frame 2 is provided with a plurality of mounting feet, as shown in fig. 2, the mounting feet include 5 first mounting feet 271, second mounting feet 272, third mounting feet 273, fourth mounting feet 274 and fifth mounting feet 275, 2 of the mounting feet are arranged at one end of the enclosure frame 2, and the other 3 mounting feet are arranged at the other end of the enclosure frame 2. The mounting foot is used for being connected with the television mainboard in a welding mode.

Enclose frame 2 inside and be provided with PCB board 5 and mould and press terminal 4, the one side of enclosing frame 2 is provided with socket 3, socket 3's one end is located and encloses frame 2 outside, and the other end has the lock pin, the lock pin links to each other with PCB board 5. The plastic compression terminal 4 is used for realizing the input and output of the pin function of the tuner, and the socket 3 is used for realizing the input function of the radio frequency signal of the tuner.

As shown in fig. 8, 9, 10 and 11, a plurality of supporting bosses are provided on the inner wall of the enclosure frame 2, a plurality of positioning hooks are provided below the supporting bosses, the upper surface of the PCB 5 contacts the supporting bosses, and the lower surface contacts the positioning hooks. Specifically, support the boss and include a plurality of interior oblique protruding muscle and a plurality of indent boss, the indent boss encloses frame 2 lateral wall promptly and inwards caves in, at the inboard boss that forms of lateral wall, interior oblique protruding muscle includes first interior oblique protruding muscle 231, second interior oblique protruding muscle 232 and third interior oblique protruding muscle 233, and the indent boss includes first indent boss 241, second indent boss 242 and first indent boss 243. The positioning hooks include a first positioning hook 261, a second positioning hook 262, a third positioning hook 263 and a fourth positioning hook 264, and the first positioning hook 261, the second positioning hook 262, the third positioning hook 263 and the fourth positioning hook 264 are arranged on two side walls of the enclosure frame 2. During the assembly, put 4 location hooks with PCB board 5's back, compress tightly PCB board 5's front by 3 interior oblique protruding muscle and 3 indent bosss to make PCB board 5 remain stable. The outer wall of the enclosure frame 2 is provided with a plurality of fixing tenons, and the fixing tenons comprise a first fixing tenon 281, a second fixing tenon 282, a third fixing tenon 283 and a fourth fixing tenon 284, so that the enclosure frame 2 is fixed, and the stability of the enclosure frame 2 is improved.

Mould and press terminal 4 as shown in fig. 13, including plastic skeleton 41, plastic skeleton 41's lower surface is provided with many metal needles 42, plastic skeleton 41's upper surface is provided with the draw-in groove, and the draw-in groove is a plurality of for mould and press terminal 4 in the installation, specifically include first draw-in groove 411 and second draw-in groove 412. As shown in fig. 10, 11 and 12, the enclosing frame 2 is provided with clamping plates, the clamping plates include a first clamping plate 291 and a second clamping plate 292, and the clamping plates are clamped with the clamping plates, so that the whole plastic compression terminal 4 is stable. As shown in fig. 14, the reverse cover 6 is provided with a through hole 621, and the metal pin 42 of the molded terminal 4 passes through the through hole 621 after being mounted, so as to be connected to an external device.

As shown in fig. 8, the side wall of the enclosure frame 2 is provided with a mounting hole 251, and the socket 3 is located in the mounting hole 251.

In order to facilitate grounding of the electronic tuner, as shown in fig. 12, a grounding pin 293 is disposed in the enclosure frame 2, the grounding pin 293 is connected to the reverse cover 6, as shown in fig. 14, an elastic piece 611 is disposed on an upper surface of the reverse cover 6, and the elastic piece 611 is in pressing contact with the grounding pin 293. As shown in fig. 8 and 9, the inner wall of the surrounding frame 2 is provided with a plurality of welding ribs, the side wall of the surrounding frame 2 is recessed inwards to form welding ribs inside, and each welding rib is welded with the edge of the PCB 5. The welding convex strip includes first welding convex strip 221, second welding convex strip 222, third welding convex strip 223, fourth welding convex strip 224 and fifth welding convex strip 225, and the edge of PCB 5 is provided with 5 breach, every welding convex strip and a breach welded connection. After the grounding pin 293 is grounded, the PCB board 5, the reverse cover 6, the enclosure frame 2 and the like are grounded, so that the electric leakage of the equipment is effectively prevented.

The electronic tuner has the characteristics of small volume and thin thickness after installation. The enclosure frame 2, the front cover 1 and the reverse cover 6 are made of conductor metal plates by a cold stamping sheet metal process, are integrally formed, are high in production and processing efficiency, form a closed shell cavity, have a good electromagnetic shielding effect and ensure the performance of the PCB 5.

Claims (8)

1. An electronic tuner, characterized by: the novel metal fence comprises a front cover (1), an enclosing frame (2) and a reverse cover (6), wherein the front cover (1) is made of metal materials and is detachably mounted at the upper end of the enclosing frame (2), the reverse cover (6) is detachably mounted at the lower end of the enclosing frame (2), and a plurality of mounting feet are arranged on the edge of the lower surface of the enclosing frame (2); enclose frame (2) inside be provided with PCB board (5) and mould and press terminal (4), the one side of enclosing frame (2) is provided with socket (3), the one end of socket (3) is located and encloses frame (2) outside, and the other end has the lock pin, the lock pin links to each other with PCB board (5).

2. The electronic tuner of claim 1, wherein: the top of the outer wall of the enclosing frame (2) is provided with a plurality of inclined triangular convex ribs, the edge of the front cover (1) is provided with a plurality of upper wavy buckling plates, and each upper wavy buckling plate is connected with one inclined triangular convex rib in a buckling manner.

3. The electronic tuner of claim 1, wherein: the bottom of the outer wall of the enclosure frame (2) is provided with a plurality of outward oblique convex ribs, the edge of the reverse cover (6) is provided with a plurality of lower wavy buckling plates, and each lower wavy buckling plate is connected with at least one outward oblique convex rib in a buckling mode.

4. The electronic tuner of claim 1, wherein: the inner wall of enclosing frame (2) is provided with a plurality of support bosss, the below of supporting the boss is provided with a plurality of location hooks, the upper surface and the support boss contact of PCB board (5), the lower surface and the contact of location hook.

5. The electronic tuner of claim 1, wherein: enclose and be provided with ground connection pin (293) in frame (2), ground connection pin (293) link to each other with anti lid (6), the inner wall of enclosing frame (2) is provided with a plurality of welding sand grips, the edge weld of every welding sand grip and PCB board (5).

6. The electronic tuner of claim 5, wherein: the upper surface of the reverse cover (6) is provided with an elastic sheet (611), and the elastic sheet (611) is in pressing contact with the grounding pin (293).

7. The electronic tuner of claim 1, wherein: mould and press terminal (4) including plastic skeleton (41), the lower surface of plastic skeleton (41) is provided with many metal needles (42), the upper surface of plastic skeleton (41) is provided with the draw-in groove, it is provided with the cardboard to enclose in frame (2), the draw-in groove joint is in the cardboard.

8. The electronic tuner of claim 1, wherein: the outer wall of the enclosing frame (2) is provided with a plurality of fixing tenons.

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