CN219421494U - Six-sided shielding electrical appliance box - Google Patents
Six-sided shielding electrical appliance box Download PDFInfo
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- CN219421494U CN219421494U CN202320705447.3U CN202320705447U CN219421494U CN 219421494 U CN219421494 U CN 219421494U CN 202320705447 U CN202320705447 U CN 202320705447U CN 219421494 U CN219421494 U CN 219421494U
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- metal base
- fixed wall
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Abstract
The utility model provides a six-sided shielding electrical box, which comprises a metal base and a metal cover body, wherein the metal base and the metal cover body are matched to form a circuit board cavity; the metal base and the metal cover body are provided with insulating coatings on one side of the circuit board cavity; the first side wall of the metal base is provided with a conductive column, the conductive column is electrically connected with the metal layer of the metal base, and the conductive column is positioned in the circuit board cavity; the side of the metal cover body facing the circuit board cavity is provided with a conductive spring piece, the conductive spring piece is electrically connected with the metal layer of the metal cover body, and the conductive spring piece is contacted with the conductive column. The six-sided shielding electrical appliance box can be assembled conveniently and has higher reliability.
Description
Technical Field
The utility model relates to the technical field of electrical boxes, in particular to a six-sided shielding electrical box.
Background
In modern electronic devices, there is a part of the need to shield the electromagnetic field with a metallic shielding box in order to avoid that certain circuits influence or are influenced by other devices. The existing metal shielding box is generally provided with a metal base and a metal cover body, and the metal cover body and the metal base are matched to form a circuit board cavity. Because the metal shielding box needs to avoid the condition that the circuit inside the circuit board cavity is in direct contact with the metal of the metal shielding box to cause short circuit, an insulating coating is required to be arranged on the side wall inside the circuit board cavity. In order to ensure that the six directions of the metal shielding box can play a role in shielding, the metal base and the metal cover form an electric loop, so that the existing scheme is as follows: a connecting wire is welded on the metal base and the metal cover to form a loop. The mode is more complicated to the equipment of metal shielding box, and when metal base and metal lid, wire line body position uncertainty has the pressure-resistant risk of isolation, and welded wire drops easily simultaneously to unable formation return circuit, the reliability is lower.
Therefore, there is a need for a more optimized metallic shielding cage structure arrangement.
Disclosure of Invention
The utility model mainly aims to provide a six-sided shielding electrical appliance box which is convenient to assemble and has high reliability.
In order to achieve the main purpose, the six-sided shielding electrical box provided by the utility model comprises a metal base and a metal cover body, wherein the metal base and the metal cover body are matched to form a circuit board cavity; the metal base and the metal cover body are provided with insulating coatings on one side of the circuit board cavity; the first side wall of the metal base is provided with a conductive column, the conductive column is electrically connected with the metal layer of the metal base, and the conductive column is positioned in the circuit board cavity; the side of the metal cover body facing the circuit board cavity is provided with a conductive spring piece, the conductive spring piece is electrically connected with the metal layer of the metal cover body, and the conductive spring piece is contacted with the conductive column.
According to the six-sided shielding electrical box, the conductive column is arranged on the metal base, the conductive spring piece is arranged on the metal cover body, and when the metal base and the metal cover body are covered, the conductive spring piece is in contact with the conductive column, so that the metal base and the metal cover body are communicated to form a conductive loop, and the six-sided shielding effect can be achieved. The mode that the electric spring plate is contacted with the conductive column is adopted, so that the assembly is convenient, and the connection reliability is high.
In a further aspect, the conductive pillars are vertically disposed on the first sidewalls.
Therefore, the conductive column is vertically arranged on the first side wall, so that the conductive spring sheet can be conveniently contacted with the conductive column.
In a further scheme, the conductive elastic sheet comprises a fixing part and an arch part, and the fixing part and the arch part are integrally formed; the fixed part is arranged on the metal cover body, and the arched part is contacted with the conductive column.
Therefore, the conductive elastic sheet is contacted with the conductive column by arranging the arched part, so that the conductive elastic sheet and the conductive column form an electric connection state when the metal cover body is covered on the metal base.
In a further scheme, the edge of the metal cover body is provided with a fixing wall along the circumferential direction, and the fixing wall is adhered to the side wall of the metal base, which is positioned on one side of the circuit board cavity.
Therefore, the metal cover body is adhered to the side wall of the metal base, which is positioned on one side of the circuit board cavity, by arranging the fixing wall, so that the fixing wall is positioned in the circuit board cavity, and the attractive appearance is avoided.
In a further aspect, the fixed wall includes a first fixed wall and a second fixed wall, the first fixed wall and the second fixed wall being disposed opposite to each other; the first fixed wall and the second fixed wall are both provided with limiting through holes, the metal base is provided with buckling protrusions corresponding to the limiting through holes, and the buckling protrusions are in buckling fit with the limiting through holes.
Therefore, the metal base and the metal cover body can be further firmly connected by arranging the buckling protrusions to be in buckling fit with the limiting through holes.
In a further scheme, the fixed wall further comprises a third fixed wall, and the first fixed wall and the second fixed wall are connected with the third fixed wall; the conductive elastic sheet is positioned at one side close to the third fixed wall, and the third fixed wall is provided with a notch; the conductive column is positioned at the connection position of the metal base and the third fixed wall, and passes through the notch to be contacted with the conductive elastic sheet.
Therefore, the conductive column is positioned at the connection position of the metal base and the third fixed wall, the third fixed wall is provided with a notch, and the conductive column passes through the notch to be contacted with the conductive elastic sheet, so that the occupation of the effective space can be reduced.
In a further aspect, a plurality of wire guides are provided on the metal cover.
Therefore, the lead holes are arranged, so that the circuit lines in the cavity of the circuit board can be conveniently led out.
In a further scheme, the metal base is provided with a radiating fin group, and the radiating fin group is positioned on the outer side wall of the metal base, which is opposite to the metal cover body.
Therefore, in order to improve the heat radiation performance of the six-sided shielding electric box, the heat radiation fin group is arranged on the metal base, so that the heat radiation of the circuit components can be facilitated.
In a further aspect, the insulating coating is a ceramic coating.
Therefore, the insulating coating is a ceramic coating, and the heat dissipation performance can be improved while insulating.
In a further proposal, the metal layers of the metal base and the metal cover are made of aluminum or copper.
Therefore, the metal layers of the metal base and the metal cover are made of aluminum, so that the heat dissipation performance is improved.
Drawings
Fig. 1 is a structural view of an embodiment of a six-sided shielding electrical box of the present utility model.
Fig. 2 is a structural exploded view of an embodiment of the six-sided shielding electrical box of the present utility model.
Fig. 3 is a structural view of a metal base in an embodiment of the six-sided shielding electrical box of the present utility model.
Fig. 4 is a structural exploded view of a metal cover in an embodiment of the six-sided shielding electrical box of the present utility model.
Fig. 5 is a structural sectional view of an embodiment of the six-sided shielding electrical box of the present utility model.
Fig. 6 is an enlarged view at a in fig. 5.
Fig. 7 is a view of a metal base in another view of the six-sided shielding electrical box embodiment of the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Six-sided shielded electrical box embodiment:
as shown in fig. 1 and 2, in the present embodiment, the six-sided shielding electrical box includes a metal base 1 and a metal cover 2, and the metal base 1 and the metal cover 2 cooperate to form a circuit board cavity 3. The metal base 1 and the metal cover 2 are provided with an insulating coating (not shown) on the side of the circuit board cavity 3. Preferably, the metal layers of the metal base 1 and the metal cover 2 are made of aluminum or copper, and the insulating coating is a ceramic coating. Of course, the metal base 1 and the metal cover 2 may be coated with an insulating coating over the entire surfaces.
Referring to fig. 3, 4, 5 and 6, a conductive post 11 is disposed on the first sidewall 10 of the metal base 1, and the conductive post 11 is vertically disposed on the first sidewall 10. The conductive posts 11 are electrically connected with the metal layer of the metal base 1, and the conductive posts 11 are positioned in the circuit board cavity 3. Preferably, the conductive posts 11 are cylindrically disposed.
The edge of the metal cover body 2 is provided with a fixed wall along the circumferential direction, and the fixed wall is adhered to the side wall of the metal base 1, which is positioned on one side of the circuit board cavity 3. In this embodiment, the fixing walls include a first fixing wall 21, a second fixing wall 22, a third fixing wall 23 and a fourth fixing wall 24, the first fixing wall 21 and the second fixing wall 22 are disposed opposite to each other, the third fixing wall 23 and the fourth fixing wall 24 are disposed opposite to each other, and the first fixing wall 21, the third fixing wall 23, the second fixing wall 22 and the fourth fixing wall 24 are sequentially looped. The first fixing wall 21 and the second fixing wall 22 are both provided with a limiting through hole 211, the metal base 1 is provided with a buckling protrusion 12 corresponding to the limiting through hole 211, and the buckling protrusion 12 is in buckling fit with the limiting through hole 211. The number of the limiting through holes 211 and the snap protrusions 12 is set as required, and in this embodiment, the first fixing wall 21 is provided with two limiting through holes 211, and the second fixing wall 22 is provided with two limiting through holes 211.
The side of the metal cover body 2 facing the circuit board cavity 3 is provided with a conductive spring piece 25, the conductive spring piece 25 is electrically connected with the metal layer of the metal cover body 2, and the conductive spring piece 25 is contacted with the conductive column 11. The conductive spring piece 25 comprises a fixing part 251 and an arched part 252, the fixing part 251 and the arched part 252 are integrally formed, the fixing part 251 is arranged on the metal cover body 2 through a fixing bolt 26, and the arched part 252 is contacted with the conductive column 11. In this embodiment, the conductive spring plate 25 is located at a side close to the third fixing wall 23, the third fixing wall 23 is provided with a notch 231, the conductive post 11 is located at a position where the metal base 1 is connected to the third fixing wall 23, and the conductive post 11 passes through the notch 231 to contact with the conductive spring plate 25.
In addition, as can be seen from fig. 4, the metal cover 2 is provided with a plurality of wire guides 27, and by providing the wire guides 27, the circuit traces in the circuit board cavity 3 can be conveniently led out. Since the wire guide 27 penetrates through the metal cover 2, in order to avoid direct contact between the circuit pins in the circuit board cavity 3 and the metal layer of the metal cover 2, an insulating material is required to be disposed around the wire guide 27 at a certain distance, so as to avoid short circuit.
Referring to fig. 7, in the present embodiment, the metal base 1 is further provided with a heat dissipation fin set 13, and the heat dissipation fin set 13 is located on an outer side wall of the metal base 1 facing away from the metal cover 2, for improving heat dissipation performance of the six-sided shielding electrical box.
As can be seen from the above, the six-sided shielding electrical box of the present utility model has the conductive posts 11 arranged on the metal base 1, the conductive spring pieces 25 arranged on the metal cover 2, and the conductive spring pieces 25 contacting the conductive posts 11 when the metal base 1 and the metal cover 2 are covered, so that the metal base 1 and the metal cover 2 are communicated to form a conductive loop, thereby playing a six-sided shielding role. The contact mode of the electric spring plate 25 and the conductive column 11 is adopted, so that the assembly is convenient, and the connection reliability is high
It should be noted that the foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modifications made to the present utility model by using the concept fall within the scope of the present utility model.
Claims (10)
1. The six-sided shielding electrical box comprises a metal base and a metal cover body, wherein the metal base and the metal cover body are matched to form a circuit board cavity, and insulating coatings are arranged on one sides of the metal base and the metal cover body, which are positioned in the circuit board cavity; the method is characterized in that:
a conductive column is arranged on the first side wall of the metal base, the conductive column is electrically connected with the metal layer of the metal base, and the conductive column is positioned in the circuit board cavity;
the side of the metal cover body facing the circuit board cavity is provided with a conductive spring plate, the conductive spring plate is electrically connected with the metal layer of the metal cover body, and the conductive spring plate is in contact with the conductive column.
2. The six-sided shielding electrical box according to claim 1, characterized in that:
the conductive posts are vertically arranged on the first side wall.
3. The six-sided shielding electrical box according to claim 2, characterized in that:
the conductive elastic sheet comprises a fixing part and an arch part, and the fixing part and the arch part are integrally formed;
the fixing part is arranged on the metal cover body, and the arched part is contacted with the conductive column.
4. A six-sided shielding electrical box according to any one of claims 1 to 3, characterized in that:
the edge of the metal cover body is provided with a fixing wall along the circumferential direction, and the fixing wall is adhered to the side wall of the metal base, which is positioned on one side of the circuit board cavity.
5. The six-sided shielding electrical box of claim 4, wherein:
the fixed wall comprises a first fixed wall and a second fixed wall, and the first fixed wall and the second fixed wall are oppositely arranged;
the first fixed wall and the second fixed wall are both provided with limiting through holes, the metal base is provided with buckling protrusions corresponding to the limiting through holes, and the buckling protrusions are in buckling fit with the limiting through holes.
6. The six-sided shielding electrical box of claim 5, wherein:
the fixed wall further comprises a third fixed wall, and the first fixed wall and the second fixed wall are connected with the third fixed wall;
the conductive elastic sheet is positioned at one side close to the third fixed wall, and the third fixed wall is provided with a notch;
the conductive column is positioned at the connection position of the metal base and the third fixed wall, and passes through the notch to be contacted with the conductive elastic sheet.
7. A six-sided shielding electrical box according to any one of claims 1 to 3, characterized in that:
the metal cover body is provided with a plurality of wire guide holes.
8. A six-sided shielding electrical box according to any one of claims 1 to 3, characterized in that:
the metal base is provided with a radiating fin group, and the radiating fin group is positioned on the outer side wall of the metal base, which is opposite to the metal cover body.
9. A six-sided shielding electrical box according to any one of claims 1 to 3, characterized in that:
the insulating coating is a ceramic coating.
10. A six-sided shielding electrical box according to any one of claims 1 to 3, characterized in that:
the metal layers of the metal base and the metal cover body are made of aluminum or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320705447.3U CN219421494U (en) | 2023-03-31 | 2023-03-31 | Six-sided shielding electrical appliance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320705447.3U CN219421494U (en) | 2023-03-31 | 2023-03-31 | Six-sided shielding electrical appliance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219421494U true CN219421494U (en) | 2023-07-25 |
Family
ID=87202863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320705447.3U Active CN219421494U (en) | 2023-03-31 | 2023-03-31 | Six-sided shielding electrical appliance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219421494U (en) |
-
2023
- 2023-03-31 CN CN202320705447.3U patent/CN219421494U/en active Active
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