CN206759886U

CN206759886U - Power shell

Info

Publication number: CN206759886U
Application number: CN201720588900.1U
Authority: CN
Inventors: 杜文忠
Original assignee: BEIJING WINGOT ELECTRONICS Co Ltd
Current assignee: BEIJING WINGOT ELECTRONICS Co Ltd
Priority date: 2017-05-24
Filing date: 2017-05-24
Publication date: 2017-12-15
Anticipated expiration: 2027-05-24

Abstract

The utility model discloses a kind of power shell, its drip irrigation device is the box body for including being wholely set, formed with accommodating chamber and top formed with opening in box body, the power shell also includes the cover plate of closing opening, cover plate is fixedly connected with box body by screw, box surface and lid surface are provided with conductive oxide layer, have reached the better purpose of sealing.

Description

Power shell

Technical field

A kind of Switching Power Supply is the utility model is related to, more particularly to a kind of power shell.

Background technology

Power supply is applied to the every aspect of life, and the modules such as power module, pcb plates are provided with power shell.It is existing Power shell be generally six part cases, be made usually using aluminium, as shown in figure 1, it includes bottom plate 11, the side plate 12 of both sides And the end plate 13 at both ends, bottom plate 11, side plate 12 and end plate 13 enclose open-topped box body 1, power shell also includes lid Plate 2, cover plate 2 seal the opening at the top of box body 1, are typically each to use spiral shell between bottom plate 11, side plate 12, end plate 13 and cover plate 2 What nail 3 was fixed.Certainly, facility is gone back on power shell has input port and output port.

Meanwhile power shell will also form one layer of anode oxide film by anodic oxidation, this anode oxide film has higher Hardness and wearability, extremely strong attached work ability, stronger adsorption capacity and good corrosion stability, and electrical insulating property is stronger.

When power shell actually uses, input port and output port can be said to be good by the fitted seal of connection terminal It is good.Six part cases are also preferable from the gap very little for macroscopically seeing junction, sealing.But for microcosmic go up, six part shells Certain gap must be had between the adjacent two boards of body, has gap to influence its electromagnetic shielding for power shell Performance, it is and affected by temperature in power shell, can produce it is certain expand with heat and contract with cold, gap has a certain degree of expansion Greatly, the gap of six part case many places can produce large effect to the overall sealing of power shell to a certain extent.

Utility model content

The purpose of this utility model is to provide a kind of power shell, and its advantage is that sealing is better.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of power shell, bag The box body being wholely set is included, is also opened in box body formed with accommodating chamber and top formed with opening, the power shell including closing The cover plate of mouth, cover plate are fixedly connected with box body by screw, and box surface and lid surface are provided with conductive oxide layer.

By using above-mentioned technical proposal, the gap when box body being wholely set reduces connection between each side plate of box body Produce so that it is overall only have in connection connection gap can be produced between box body and cover plate, sealing more good；Box simultaneously Body surface face and lid surface use conductive oxide layer, have certain anticorrosive property and electric conductivity after box body electric conductive oxidation, On an electronic device, preferable effectiveness is produced.

Preferably, conductive oxide layer is Gold plated Layer.

By using above-mentioned technical proposal, Gold plated Layer has good electric conductivity, and effectiveness is preferable；Simultaneously in box Gap after Gold plated Layer cooperation in Gold plated Layer and cover plate on body between the two is smaller, also further improves electromagnetic shielding effect Fruit, and improve sealing effectiveness.

Preferably, the bottom of box body, which is connected with, plants nail group, plant nail group and comprise at least two and plant and follow closely, plant the middle part of nail formed with The support level coordinated is abutted with pcb board.

By using above-mentioned technical proposal so that spacing connection of the pcb board by planting nail is more stable, fixes more Firmly.

It is three preferably, planting nail group and being two groups and every group and plants nail, box body be in cuboid, with three organized along box body Length direction set and positioned at box body bottom edge.

By using above-mentioned technical proposal, pcb board is fixed more stable.

Preferably, the opening of box body is provided with positioning step, the bottom edge of cover plate with positioning step formed with mutually fitting The positioning convex matched somebody with somebody.

By using above-mentioned technical proposal, pass through the mutual cooperation of positioning step and positioning convex so that cover plate can be compared with Positioned for convenience of with sufficient, facilitate the installation of follow-up screw；Further caused gap between cover plate and box body is entered simultaneously Row blocks.

Preferably, positioning step includes lead-in chamfered, formed with abutting the abutting that coordinates with lead-in chamfered on positioning convex Inclined-plane.

By using above-mentioned technical proposal so that positioning step and positioning convex are more abundant when abutting.

Preferably, the outstanding arc surface in circular arc in the surface of positioning step, positioning convex cave inward to be formed with The concave surface that arc surface coordinates.

Preferably, box side wall offers docking groove close to the surface of cover plate side, the edge of cover plate is formed with docking The butt strap of groove grafting.

By using above-mentioned technical proposal so that cover plate positioning is more stable, and gap shielding is more abundant.

Preferably, the outer surface of cover plate, formed with counter sink, the head of screw of screw, which is absorbed in counter sink, causes head of screw Surface flushes with the outer surface of cover plate.

By using above-mentioned technical proposal so that the surface of cover plate more smooth.

In summary, the utility model has the advantages that：Sealing is better, and effectiveness is preferable.

Brief description of the drawings

Fig. 1 is the structural representation of the power shell of prior art；

Fig. 2 is the structural representation of embodiment one；

Fig. 3 is the internal structure schematic diagram of embodiment one；

Fig. 4 is the sectional view of embodiment one；

Fig. 5 is the structural representation of embodiment two；

Fig. 6 is the structural representation of embodiment three；

Fig. 7 is the structural representation of example IV.

In figure, 1, box body；11st, bottom plate；12nd, side plate；13rd, end plate；14th, nail is planted；15th, arc surface；16th, docking groove；2nd, cover Plate；21st, lead-in chamfered；22nd, butt strap；3rd, screw.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment one

As shown in Fig. 2 a kind of power shell, including box body 1 and cover plate 2, box body 1 are in cuboid, box body 1 includes bottom plate 11st, the side plate 12 of both sides and the end plate 13 at both ends, Cheng Youyi accommodating chamber of milling in box body 1, bottom plate 11, both sides side plate 12 with And the end plate 13 at both ends is wholely set.With reference to Fig. 3, formed with opening, cover plate 2 is used for closing opening, cover plate at the top of box body 1 2 are fixedly connected by the side wall of screw 3 with box body 1, can be provided with two screws 3 in side wall of the box body 1 per side to carry out It is fixed.Meanwhile with reference to Fig. 4, conductive oxide layer is provided with the surface of box body 1 and the surface of cover plate 2, conductive oxide layer can be plating Layer gold 4.

Counter sink is provided with the outer surface of cover plate 2,3 mouthfuls of the screw of the screw 3 in securing cover plate 2 of screw 3 is absorbed in countersunk head Kong Zhong so that 3 surfaces for not protruding from cover plate 2 of screw of screw 3.

It is connected with the bottom of box body 1 and plants nail group, it can be two groups to plant nail group, respectively close to the side plate 12 of the both sides of box body 1, Every group of cultivation nail group can have three to plant nail 14, and the cultivation nail 14 with group is set along the length direction of box body 1.

Embodiment two

As shown in Figure 5（Fig. 5 Gold plated Layers into Fig. 7 are not shown）, the opening of box body 1 is set unlike embodiment one There is a positioning step, positioning step is close to the side of cover plate 2 formed with lead-in chamfered 21, and the bottom edge of cover plate 2 is formed with fixed Position is raised, formed with the abutting inclined-plane that cooperation is abutted with lead-in chamfered 21 on positioning convex.

Embodiment three

As shown in fig. 6, being with the difference of embodiment two, the side of the nearly side wall of box body 1 of positioning step is outstanding Formed arc surface 15, positioning convex cave inward to be formed with arc surface 15 coordinate concave surface.

Example IV

As shown in fig. 7, side plate 12 and end offer docking groove 16 close to a side surface of cover plate 2, docking groove 16 is in length Bar shaped, the edge of cover plate 2 is formed with butt strap 22, and when cover plate 2 is closed to opening, the grafting of butt strap 22 enters docking groove 16 In.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims

A kind of 1. power shell, it is characterised in that：Including the box body (1) being wholely set, in box body (1) formed with accommodating chamber and Top also includes the cover plate (2) of closing opening formed with opening, the power shell, and cover plate (2) passes through screw (3) with box body (1) It is fixedly connected, box body (1) surface and cover plate (2) surface are provided with conductive oxide layer.
2. power shell according to claim 1, it is characterised in that：Conductive oxide layer is Gold plated Layer (4).
3. power shell according to claim 1, it is characterised in that：The bottom of box body (1), which is connected with, plants nail group, plants nail group Nail (14) is planted including at least two, plants the middle part of nail (14) formed with the support level that cooperation is abutted with pcb board.
4. power shell according to claim 3, it is characterised in that：It is three cultivation nails to plant nail group to be two groups and every group (14), box body (1) is in cuboid, and three length directions along box body (1) with group are set and positioned at box body (1) bottom Edge.
5. power shell according to claim 1, it is characterised in that：The opening of box body (1) is provided with positioning step, lid The bottom edge of plate (2) is formed with the positioning convex being adapted with positioning step.
6. power shell according to claim 5, it is characterised in that：Positioning step includes lead-in chamfered (21), convex Formed with the abutting inclined-plane that cooperation is abutted with lead-in chamfered (21) on rising.
7. power shell according to claim 5, it is characterised in that：The outstanding surface of positioning step is in circular arc Arc surface (15), positioning convex cave inward to be formed with arc surface (15) coordinate concave surface.
8. power shell according to claim 1, it is characterised in that：Box body (1) side wall is close to the surface of cover plate (2) side Docking groove (16) is offered, the edge of cover plate (2) is formed with the butt strap (22) with docking groove (16) grafting.
9. power shell according to claim 1, it is characterised in that：The outer surface of cover plate (2) is formed with counter sink, screw (3) screw (3) head is absorbed in counter sink so that the surface of screw (3) head flushes with the outer surface of cover plate (2).