CN211702876U

CN211702876U - Low-cost arc-shaped shielding case

Info

Publication number: CN211702876U
Application number: CN202020048291.2U
Authority: CN
Inventors: 徐德勇
Original assignee: Shenzhen Delitai Precision Hardware Co ltd
Current assignee: Shenzhen Delitai Precision Hardware Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-16
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a low-cost arc shield cover, including the upper shield body, kink, first landing leg, second landing leg, the lower cover body, gomphosis arc, base plate, stainless steel top layer, shielding coating and tin coating, the upper shield body is located the top of whole device, the upper shield body is inboard to be adopted the stainless steel top layer, the upper shield body both ends all are equipped with the second landing leg, second landing leg lower extreme is equipped with the lower cover body, lower cover body one side is equipped with the gomphosis arc, gomphosis arc lower extreme is equipped with the base plate. The utility model discloses in first landing leg and the second landing leg on the upper shield body imbed first recess and the second recess on the lower cover body respectively, again through with in the third recess on the kink embedding base plate on the upper shield body, the rethread screw stabilizes, the dismouting of not only being convenient for but also being convenient for stabilize has set up the stainless steel top layer, the stainless steel top layer shielding is effectual, and intensity is high, strengthens the tinning through plating one deck tin coating on the stainless steel top layer.

Description

Low-cost arc-shaped shielding case

Technical Field

The utility model relates to a shield cover technical field particularly, relates to a low-cost arc shield cover.

Background

The shielding cover is used in electronic equipment such as mobile phones and GPS, and has the functions of preventing electromagnetic interference (EMI) and shielding elements on a PCB and LCM. Usually, the shield cover includes the cover body and two parts of support, and the support is fixed on the mainboard and is set up some apertures on the support, and the cover body is equipped with the turnover portion all around, sets up some on the turnover portion with the support on aperture size and position matched with bump, through mutually supporting of bump and aperture, make the mobilizable connection of the cover body on the support. When two or more shielding cases are arranged on the mainboard, the minimum distance is reserved between the cover bodies of the shielding cases; the upper cover body and the lower cover body are easy to be staggered when being embedded. Such structure, in the maintenance process, need demolish the shield cover, because bump and aperture combine, lead to the fact deformation when dismantling unavoidably, influence the shape of shield cover and even the follow-up use of shield cover, when electronic equipment during operation, electronic components will produce the electromagnetic wave, not only make like this can produce electromagnetic interference between the inside electronic component, influence electronic equipment's normal work, but also the electromagnetic wave can outwards radiate, cause the injury to the human body. Therefore, how to shield the electromagnetic wave generated by the electronic component has become a problem that needs to be solved urgently in the industry. However, the conventional shield case is complicated in structure and thus high in cost.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-cost arc shield cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-cost arc shield cover, includes the upper shield body, kink, first landing leg, second landing leg, the lower cover body, gomphosis arc, base plate, stainless steel top layer, shielding coating and tin coating, the upper shield body is located the top of whole device, the upper shield body inboard adopts the stainless steel top layer, stainless steel top layer one side is equipped with shielding coating, shielding coating one side is equipped with the tin coating, the upper shield body both sides all are equipped with the kink, be equipped with in the middle of the kink first landing leg, the upper shield body both ends all are equipped with the second landing leg, second landing leg lower extreme is equipped with the lower cover body, lower cover body one side is equipped with the gomphosis arc, gomphosis arc lower extreme is equipped with the base plate.

Furthermore, the upper cover body is welded with the bending part, the first supporting leg and the second supporting leg.

Furthermore, one side of the lower cover body is provided with a first groove, and the width of the first groove is larger than that of the first supporting leg.

Furthermore, a second groove is formed in one side of the lower cover body, and the width of the second groove is larger than that of the second supporting leg.

Furthermore, both sides of the substrate are provided with third grooves, and the width of each third groove is larger than that of each bending part.

Further, the thickness of the shielding coating is 0.25 mm.

Further, a screw hole is formed in the bent portion, a screw is arranged on the base plate, and the bent portion is in threaded connection with the third groove through the screw.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a low-cost arc-shaped shielding case, the device is through the gomphosis of upper shield body and lower cover body, first landing leg and second landing leg on the upper shield body imbed respectively in first recess and the second recess on the lower cover body, and then through imbedding the kink on the upper shield body in the third recess on the base plate, and then stabilize through the screw, not only be convenient for dismouting but also be convenient for firm, set up the stainless steel top layer, the stainless steel top layer shields effectually, and intensity is high, and the price is moderate; however, tin plating is difficult and is enhanced by plating a tin plating layer on the surface of stainless steel.

(2) The utility model discloses an arc shield cover, the price is low moreover, and when electronic equipment during operation, electronic components will produce the electromagnetic wave, not only makes like this can produce electromagnetic interference between the inside electronic component, influences electronic equipment's normal work, and the electromagnetic wave can also radiate outward moreover, causes the injury to the human body, and this problem of solution that the shield cover can be effectual.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a low-cost arc-shaped shield according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an upper housing of a low-cost arc-shaped shielding cover according to an embodiment of the present invention.

Reference numerals:

1. an upper cover body; 2. a bending section; 3. a screw hole; 4. a first leg; 5. a second leg; 6. a lower cover body; 7. an engaging arc portion; 8. a first groove; 9. a second groove; 10. a substrate; 11. a third groove; 12. A screw; 13. a stainless steel surface layer; 14. a barrier coating; 15. and (5) plating a tin layer.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, a low-cost arc-shaped shielding cover according to an embodiment of the present invention includes an upper cover 1, a bending portion 2, a first leg 4, a second leg 5, a lower cover 6, an embedded arc portion 7, a substrate 10, a stainless steel surface layer 13, a shielding coating 14, and a tin-plated layer 15, wherein the upper cover 1 is located at a top end of the whole device, the stainless steel surface layer 13 is adopted inside the upper cover 1, the shielding coating 14 is arranged on one side of the stainless steel surface layer 13, the stainless steel surface layer 13 has good shielding effect and high strength, the tin-plated layer 15 is plated on the stainless steel surface layer to enhance the tin-plating, the tin-plated layer 15 is arranged on one side of the shielding coating 14, the bending portion 2 is arranged on both sides of the upper cover 1, the first leg 4 is arranged in the middle of the bending portion 2, the second leg 5 is arranged on both ends of the upper cover 1, the lower end of the second supporting leg 5 is provided with the lower cover body 6, one side of the lower cover body 6 is provided with the embedded arc part 7, and the lower end of the embedded arc part 7 is provided with the substrate 10.

Through the above technical scheme of the utility model, the upper shield body 1 welds with kink 2, first landing leg 4 and

second landing leg

5, 6 one side of the lower shield body is equipped with first recess 8, and the primary function of first recess 8 is to carry out the gomphosis to first landing leg 5, the width of first recess 8 is greater than the width of

first landing leg

4, 6 one side of the lower shield body is equipped with second recess 9, the width of second recess 9 is greater than the width of

second landing leg

5, 10 both sides of base plate all are equipped with third recess 11, the width of third recess 11 is greater than the width of kink 2, barrier coating 14's thickness is 0.25mm, be equipped with screw 3 on kink 2, be equipped with screw 12 on the base plate 10, the primary function of screw 12 is fixed on the base plate to the kink, kink 2 passes through screw 12 and third recess 11 threaded connection.

When the device is specifically applied, the utility model relates to a low-cost arc-shaped shielding cover, the device is characterized in that an upper cover body 1 is embedded with a lower cover body 6, a first leg 4 and a second leg 5 on the upper cover body 1 are respectively embedded into a first groove 8 and a second groove 9 on the lower cover body 6, and then a bending part 2 on the upper cover body 1 is embedded into a third groove 11 on a substrate 10, and then the fixing is carried out through a screw 12, so that the device is convenient to disassemble and assemble and is convenient to fix, a stainless steel surface layer 13 is arranged, the shielding effect of the stainless steel surface layer 13 is good, the strength is high, and the price is moderate; but go up the tin difficulty, strengthen the tinning through plating one deck tin coating 15 on the stainless steel top layer, adopt arc shield cover, the price is low moreover, and when electronic equipment during operation, electronic components will produce the electromagnetic wave, not only makes like this can produce electromagnetic interference between the inside electronic component, influences electronic equipment's normal work, and the electromagnetic wave still can outwards radiate, causes the injury to the human body, and this problem of shield cover can effectual solution.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The low-cost arc-shaped shielding case is characterized by comprising an upper cover body (1), bent parts (2), first supporting legs (4), second supporting legs (5), a lower cover body (6), an embedded arc part (7), a substrate (10), a stainless steel surface layer (13), a shielding coating (14) and a tin coating (15), wherein the upper cover body (1) is positioned at the top end of the whole device, the stainless steel surface layer (13) is adopted at the inner side of the upper cover body (1), the shielding coating (14) is arranged at one side of the stainless steel surface layer (13), the tin coating (15) is arranged at one side of the shielding coating (14), the bent parts (2) are arranged at two sides of the upper cover body (1), the first supporting legs (4) are arranged in the middles of the bent parts (2), the second supporting legs (5) are arranged at two ends of the upper cover body (1), and the lower ends of the second supporting legs (5) are provided with the lower cover body (6), the lower cover body (6) is provided with the embedded arc part (7) on one side, and the base plate (10) is arranged at the lower end of the embedded arc part (7).

2. The low-cost arc-shaped shielding case according to claim 1, wherein the upper case (1) is welded with the bent portion (2), the first leg (4) and the second leg (5).

3. The low-cost arc-shaped shielding case according to claim 1, wherein one side of the lower case (6) is provided with a first groove (8), and the width of the first groove (8) is larger than that of the first leg (4).

4. The low-cost arc-shaped shielding case according to claim 1, wherein one side of the lower case (6) is provided with a second groove (9), and the width of the second groove (9) is larger than that of the second leg (5).

5. The low-cost arc-shaped shielding case according to claim 1, wherein both sides of the substrate (10) are provided with third grooves (11), and the width of the third grooves (11) is greater than that of the bending portion (2).

6. The low cost curved shield of claim 1, wherein said barrier coating (14) has a thickness of 0.25 mm.

7. The low-cost arc-shaped shielding case according to claim 1, wherein the bent portion (2) is provided with a screw hole (3), the substrate (10) is provided with a screw (12), and the bent portion (2) is in threaded connection with the third groove (11) through the screw (12).