CN211061814U

CN211061814U - Shielding case

Info

Publication number: CN211061814U
Application number: CN201922430713.2U
Authority: CN
Inventors: 张鑫; 陆爱明; 汤卫明; 邵锦明
Original assignee: Yangzhou Hongshun Electric Apparatus Co ltd
Current assignee: Yangzhou Hongshun Electric Apparatus Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-21
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a shield cover has multiple functional advantage of convenient to use, including upper cover, bottom plate and curb plate, bottom plate tip symmetry sets up the fixed plate, and the upper cover articulates on the bottom plate, is provided with the circuit board fixed orifices in the lower cover to and fixed gland, fixed gland four sides set up the broadside metal layering, and the metal layering is connected to on the first fixed axle, and the symmetry is provided with the fixed block on the bottom plate, sets up the fixed orifices in the fixed block, and in first fixed axle inserts the fixed orifices, and first fixed axle both ends welded fastening knob spring, set up the card strip on the layering that fixed gland is close to the circuit import, and the card strip is the plastics card strip, and sets up the metal sheet on the bottom plate of plastics card strip one side, and the metal sheet is provided with the horizontal plate, is provided with the joint groove on the horizontal plate.

Description

Shielding case

Technical Field

The utility model relates to an electrical apparatus technical field, concretely relates to shield cover.

Background

Electromagnetic waves generated in electronic, electric and communication equipment interfere with a signal processing system in the circuit to cause malfunction and performance degradation, and various diseases are caused by damage to human health due to excessive electromagnetic waves, so that strict limitations should be imposed. The liquid crystal display generally employs an electromagnetic shield to shield the influence of external electromagnetic waves on internal circuits and the radiation of internal electromagnetic waves to the outside.

However, the shielding cover in the prior art is generally prepared by adopting preparation processes of sectioning, stretching, bending, riveting, trimming, shaping, tapping and the like, the formed shielding cover is low in integration level, an internal circuit board is fixed, the shielding cover and the upper cover and the bottom plate of the shielding cover are fixed by punching again, the operation difficulty is increased, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel shielding cover which can solve the technical problem in the background art.

The utility model discloses a following technical scheme realizes: a shielding cover comprises an upper cover and a bottom plate, wherein the upper cover is covered on the bottom plate, side plates are arranged on two sides of the bottom plate, a fixing plate is symmetrically arranged at the end part of the bottom plate, the upper cover is provided with a circuit inlet close to the fixing plate, the upper cover is hinged on the bottom plate, one end of the upper cover is clamped on the fixing plate, a clamping block is arranged at the end part of the upper cover, the clamping block is fixed in an accommodating cavity of the upper cover, an annular stopping block is fixed on the clamping block, a spring is arranged in the accommodating cavity, the annular stopping block abuts against the spring, a clamping groove;

be provided with the circuit board fixed orifices in the lower cover to and fixed gland, fixed gland four sides set up broadside metal layering, and the metal layering is connected to on the first fixed axle, and the symmetry is provided with the fixed block on the bottom plate, sets up the fixed orifices in the fixed block, and first fixed axle inserts in the fixed orifices, and first fixed axle both ends welded fastening knob spring, set up the card strip on the layering that fixed gland is close to the circuit import, the card strip is the plastics card strip, and set up the metal sheet on the bottom plate of plastics card strip one side, the metal sheet is provided with the horizontal plate, be provided with the joint groove on the horizontal plate, card strip joint is on the joint groove.

Preferably, the two ends of the bottom plate are provided with mounting plates, and the mounting plates are provided with threaded holes for mounting.

Preferably, radiating holes are densely distributed on the side plate of the bottom plate.

Preferably, the end of the upper cover, which is far away from the clamping strip, is provided with a shaft hole, a second fixing shaft is arranged in the shaft hole, and the second fixing shaft is fixed at the corresponding position of the bottom plate.

Compared with the prior art, the utility model discloses the shield cover upper cover is connected with the lower cover is articulated, and goes into the draw-in groove internal fixation through the fixture block card, and reserves one section circuit incoming line mouth on covering, convenient wiring, and the bottom plate has still integrateed the fixed plate of the fixed usefulness of shield cover simultaneously, arranges the line ball board that is used for the fixed line board at the bottom of the curb plate of louvre and the bottom plate, and the line ball board has the metal layering of broad, conveniently pushes down the circuit board, and the circuit board joint is convenient to dismantle on the metal sheet simultaneously and takes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the upper cover;

FIG. 3 is a schematic view of a base plate;

fig. 4 is a schematic view of a metal plate.

In the figure: 1. an upper cover; 2. a base plate; 3. a fixing plate; 4. a side plate; 5. a metal plate; 6. a card slot; 7. mounting a plate; 8. a shaft hole; 9. a second fixed shaft; 10. a clamping block; 11. an accommodating cavity; 12. a spring; 13. a fixing hole; 14. a gland; 15. clamping the strip; 16. a first fixed shaft; 17. a fixed block; 18. a knob spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

A shielding case as shown in fig. 1-3, which includes an upper cover 1 and a bottom plate 2, the upper cover 1 covers the bottom plate 2, side plates 4 are disposed on two sides of the bottom plate 2, fixing plates 3 are symmetrically disposed on end portions of the bottom plate 2, a circuit inlet is disposed on a side of the upper cover 1 close to the fixing plate 3, both wiring and outgoing lines pass through the circuit inlet, the upper cover 1 is hinged on the bottom plate 2, and one end of the upper cover is clamped on the fixing plate 3, a clamping block 10 is disposed on an end portion of the upper cover 1, the clamping block 10 is fixed in an accommodating cavity 11 of the upper cover 1, an annular stop block is fixed on the clamping block 10, a spring 12 is disposed in the accommodating cavity 11, the annular stop block abuts against the spring 12, a clamping groove 6;

be provided with circuit board fixed orifices 13 in the lower cover to and fixed gland 14, fixed gland 14 four sides set up broadside metal layering, the metal layering is connected to on the first fixed axle 16, the symmetry is provided with fixed block 17 on bottom plate 2, set up fixed orifices 13 in the fixed block 17, first fixed axle 16 inserts in the fixed orifices 13, and 16 both ends welded fastening knob springs 18 of first fixed axle, set up card strip 15 on the layering that fixed gland 14 is close to the circuit import, card strip 15 is plastics card strip 15, and set up metal sheet 5 on the bottom plate 2 of plastics card strip 15 one side, metal sheet 5 is provided with the horizontal plate, be provided with the joint groove on the horizontal plate, card strip 15 joint is on the joint groove.

As shown in fig. 4, the metal plate 5 further includes a metal plate 5 connected horizontally and vertically, and the metal plate 5 has a clamping groove for clamping.

The circuit board of putting into closes through the lid of gland 14 and fixes to bottom plate 2 on, go into the joint groove through card strip 15 card on, card strip 15 adopts plastics card strip 15, conveniently takes, prevents the interference that metal card strip 15 probably produced in the installation, drives first fixed axle 16 through knob spring 18 and keeps upspring ascending power for the installation of circuit board is more convenient.

Further, for the shield cover installation, the two ends of the bottom plate 2 are provided with mounting plates 7, and the mounting plates 7 are provided with threaded holes for installation, so that the shield cover can be installed conveniently.

Furthermore, radiating holes are densely distributed in the side plates 4 of the bottom plate 2, a shaft hole 8 is formed in one end, away from the clamping strip 15, of the upper cover 1, a second fixing shaft 9 is arranged in the shaft hole 8, the second fixing shaft 9 is fixed at the corresponding position of the bottom plate 2, and a mounting hole is formed in the inner wall of the corresponding position of the bottom plate 2, so that the second fixing shaft 9 can be conveniently inserted and mounted (not shown in the figure).

The utility model discloses a shield cover has the function abundance, convenient to use's advantage.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a shielding case, includes upper cover and bottom plate, and the upper cover lid closes on the bottom plate, and the bottom plate both sides are provided with the curb plate, and bottom plate tip symmetry sets up fixed plate, its characterized in that: the upper cover is provided with a circuit inlet close to the side of the fixed plate, the upper cover is hinged on the bottom plate, one end of the upper cover is clamped on the fixed plate, the end part of the upper cover is provided with a fixture block, the fixture block is fixed in an accommodating cavity of the upper cover, an annular stop block is fixed on the fixture block, a spring is arranged in the accommodating cavity, the annular stop block abuts against the spring, a clamping groove is arranged at the corresponding position of the fixed plate, and the fixture block is clamped;

2. A shielding cage according to claim 1, wherein: the bottom plate both ends are provided with the mounting panel, are provided with the screw hole that is used for the installation on the mounting panel.

3. A shielding cage according to claim 1, wherein: radiating holes are densely distributed on the side plate of the bottom plate.

4. A shielding cage according to claim 1, wherein: the one end that the card strip was kept away from to the upper cover has set up the shaft hole, sets up the second fixed axle in the shaft hole, and the second fixed axle is fixed at bottom plate relevant position.