CN202143348U

CN202143348U - Shielding shell structure

Info

Publication number: CN202143348U
Application number: CN201120281285U
Authority: CN
Inventors: 洪进兴
Original assignee: Yuan Deng Metals Industrial Co Ltd
Current assignee: Yuan Deng Metals Industrial Co Ltd
Priority date: 2011-08-04
Filing date: 2011-08-04
Publication date: 2012-02-08
Anticipated expiration: 2021-08-04

Abstract

A shielding shell structure is provided with a basal part, the side edges of the basal part are provided with wing portions bending and extending in a same direction, each of the wing portions is provided with a first sidewall and a second sidewall adjacent to each other, a positioning groove is recessed in the side edge of the first sidewall close to the second side wall, a positioning sheet with respect to the positioning groove extends along the side edge of the second sidewall close to the first sidewall, and the positioning sheet is bent towards the first sidewall, making the positioning sheet position in the positioning groove, so that when a sheet material is bent to form the shielding shell, the shielding shell can resist the internal stress caused by bending of the sheet material, thus forming an angle needed by bending, and increasing the anti-deformation capability of the shielding shell.

Description

The shield shell structure

Technical field

A kind of shield shell structure instigates to be used on the electronic product effectively shield electromagnetic interference especially, and constitutionally stable shield shell.

Background technology

Most electronic component in many electronics, the electric equipment products in order to prevent in the use to flee to produce the noise of interference because of electromagnetic wave, therefore can cover metal shield shell in the electronic component outside mask; Prevent the above-described problem from occurring, see also shown in Figure 5ly, be that known shield shell knows stereo appearance figure; Find out that by knowing among the figure shield shell A of known technology is provided with base portion A1, base portion A1 periphery is bent with sidewall A2; Sidewall A2 end is extended with location division A3, utilizes shield shell A cover to cover the electronic component on the circuit board, and lets location division A 3 be positioned on the circuit board; Make electronic component can not produce the problem of interference, but the sidewall A2 of the shield shell A of this kind way is when bending, because the internal stress of sheet material can cause sidewall A2 after bending, to produce a little resilience; Therefore the distance of two sidewall A2 can change, and location division A3 can't be positioned on the circuit board smoothly, and the way that solves at present was mostly for utilizing curved mode; Bending is bigger than predetermined angular earlier when sidewall A2 bends, and behind the bending mould separating, lets sidewall A2 recoil to predetermined angular because of the internal stress of sheet material; Yet; Because the internal stress of every batch of sheet material all can be different, when the user utilizes different crowdes board materials production shield shell A, all must adjust the bending angle of sidewall A2 one by one; Moreover, since sidewall A2 and sidewall A2 between do not have good fixed form, and let shield shell A transport, take or use in, be easy to generate distortion, and cause user's inconvenience.

Therefore, how to solve the deficiency and the disappearance of above-mentioned known technology, be the problem place of being engaged in this relevant industries improvement that the dealer desires most ardently.

Summary of the invention

The main purpose of the utility model is, lets sheet material when being bent to form shield shell, and shield shell be for can resisting the internal stress that sheet material is produced because of bending, and reaches the required angle of bending, and can strengthen the non-deformability of shield shell.

For reaching above-mentioned purpose; The shield shell of the utility model is provided with base portion, and the side of base portion bends in the same way and is extended with alar part, and alar part is to have the two adjacent the first side wall and second sidewalls; The first side wall is in being concaved with location notch near the second sidewall side; And second sidewall is in being extended with the spacer with respect to location notch near the first side wall side, and spacer is towards the first side wall bending, and spacer is positioned in the location notch.

When being bent to form shield shell, shield shell be for can resisting the internal stress that sheet material is produced because of bending by sheet material for the utility model, and reaches the required angle of bending, and can strengthen the non-deformability of shield shell.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model.

Fig. 2 is the shaping action sketch map () of the utility model.

Fig. 3 is the shaping action sketch map (two) of the utility model.

Fig. 4 is the shaping action sketch map (three) of the utility model.

Fig. 5 is the stereo appearance figure of known shield shell.

Description of reference numerals

10, shield shell; 1, base portion; 2, alar part; 21, the first side wall; 211, location notch; 212, peristome; 213, butting section; 22, second sidewall; 221, spacer; 222, kink; 223, location division; 23, fixed part; A, shield shell; A1, base portion; A2, sidewall; A3, location division.

Embodiment

See also Fig. 1, Fig. 2 and shown in Figure 4; Find out that by knowing among the figure this shield shell 10 of the utility model is formed with the bending of sheet material one, shield shell 10 is provided with base portion 1; The side of base portion 1 bends in the same way and is extended with one group of above alar part 2; And each alar part 2 is for having the two adjacent the first side wall 21 and second sidewalls 22, and the first side wall 21 and second sidewall, 22 ends are extended with respectively in order to be fixed in the fixed part 23 of preinstalled circuit plate (not shown), and the first side wall 21 is in be concaved with location notch 211 near second sidewall, 22 sides; And second sidewall 22 is in be extended with the spacer 221 with respect to location notch 211 near the first side wall 21 sides; Spacer 221 is towards the first side wall 21 bendings, and spacer 221 is positioned in the location notch 211, wherein:

The location notch 211 of this first side wall 21 is formed with peristome 212 in the edge of the first side wall 21, and the in addition side bottom surface that location notch 211 keeps away oral area 212 is formed with butting section 213, and the width of butting section 213 is the width greater than peristome 212.

The spacer 221 of this second sidewall 22 is in being formed with kink 222 near second sidewall, 22 side edge; Spacer 221 is formed with location division 223 in the side end in addition away from kink 222; And the width of location division 223 is greater than kink 222; And kink 222 width that make spacer 221 are peristome 212 width that are equal to location notch 211, and location division 223 width of spacer 221 are butting section 213 width that are equal to location notch 211.

By last; When the spacer 221 of second sidewall 22 when the first side wall 21 bendings make the spacer 221 of second sidewall 22 be positioned in the location notch 211 of the first side wall 21; By the locating effect of spacer 221, the first side wall 21 and the 22 stable formation of second sidewall are located, can resist the internal stress that sheet material is produced when bending with location notch 211; Make the first side wall 21 and second sidewall 22 can directly be bent to predetermined angular, and can not produce error because of internal stress.

Continue the manufacturing process of bright the utility model shield shell 10, see also Fig. 2 to shown in Figure 4, when making shield shell 10; Earlier sheet material is cut to predetermined shape, finds out that by knowing among Fig. 2 figure its base portion 1 two adjacent sides are extended with the first side wall 21 and second sidewall 22 respectively; The first side wall 21 is in being concaved with location notch 211 near second sidewall, 22 sides, and second sidewall 22 is continuous by the junction of base portion 1 with the first side wall 21 and second sidewall 22 in be extended with the spacer 221 with respect to location notch 211 near the first side wall 21 sides; Utilize bending mould bending the first side wall 21 and second sidewall 22 to predetermined angular, present embodiment for vertical with the first side wall 21 and second sidewall 22 with base portion 1 formation be example, when the first side wall 21 and second sidewall 22 to predetermined angular; The kink 222 of spacer 221 is for being positioned at peristome 212 places of location notch 211; And at the bending mould when not breaking away from the first side wall 21 and second sidewall 22 as yet, see also shown in Figure 3ly, continuing bends spacer 221 towards the first side wall 21; Making spacer 221 in location notch 211, form positioning instant can; See also shown in Figure 4 because spacer 221 form to locate in location notch 211 in, therefore; Behind the bending mould separating the first side wall 21 and second sidewall 22; Can resist the internal stress that sheet material is produced because of bending with the location of location notch 211 by spacer 221, and can increase the non-deformability of shield shell 10, use or transporting in the process and be out of shape because of external force produces to prevent shield shell 10.

More than be illustrative to the description of the utility model; And it is nonrestrictive; Those skilled in the art is understood, and the spirit and the interior of scope that limit in claim can carry out many modifications, variation or equivalence to it, but they all will fall in the protection range of the utility model.

Claims

1. shield shell structure, this shield shell is provided with base portion, and the side of base portion bends in the same way and is extended with alar part, it is characterized in that:

This alar part is to have the two adjacent the first side wall and second sidewalls; The first side wall is in being concaved with location notch near the second sidewall side; And second sidewall is in be extended with the spacer with respect to location notch near the first side wall side; And spacer is towards the first side wall bending, and spacer is positioned in the location notch.

2. shield shell structure as claimed in claim 1; It is characterized in that the spacer of this second sidewall is in being formed with kink near the second sidewall side edge, spacer is formed with the location division in the side end in addition away from kink; And the width of location division is greater than kink; And the location notch of the first side wall is formed with peristome in the edge of the first side wall, and the in addition side bottom surface that location notch keeps away oral area is formed with the butting section, and the width of butting section is the width greater than peristome.

3. shield shell structure as claimed in claim 2 is characterized in that, the kink width of this spacer is the peristome width that is equal to location notch, and the location division width of spacer is the butting section width that is equal to location notch.

4. shield shell structure as claimed in claim 1 is characterized in that, this alar part is more than one group.

5. shield shell structure as claimed in claim 1 is characterized in that, this first side wall and the second sidewall end are extended with respectively in order to fixing fixed part.

6. shield shell structure as claimed in claim 1 is characterized in that, this shield shell is formed with the bending of sheet material one.