CN220553121U - Electromagnetic shielding case and computer - Google Patents
Electromagnetic shielding case and computer Download PDFInfo
- Publication number
- CN220553121U CN220553121U CN202321994516.3U CN202321994516U CN220553121U CN 220553121 U CN220553121 U CN 220553121U CN 202321994516 U CN202321994516 U CN 202321994516U CN 220553121 U CN220553121 U CN 220553121U
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides an electromagnetic shielding case, comprising: a frame; the mounting piece is connected with the frame and surrounds the frame to form an open accommodating groove, and a plurality of mounting grooves which are communicated with the accommodating groove are formed in the mounting piece; the sealing cover piece comprises a sealing cover body and a plurality of embedded bodies, wherein the sealing cover body covers the frame and the mounting piece to seal the accommodating groove and the plurality of mounting grooves, the plurality of embedded bodies are connected with the sealing cover body and correspond to the plurality of mounting grooves one by one, each embedded body is inserted into the corresponding mounting groove and extends to the accommodating groove, and each embedded body and the mounting piece are overlapped in the opening direction of the accommodating groove. The sealing cover piece and the frame in the electromagnetic shielding case are installed in an inserting mode, the cost is low, each embedded body and the installation piece are overlapped in the opening direction of the accommodating groove, the propagation path of electromagnetic waves entering and exiting the accommodating groove can be reduced, and the electromagnetic shielding effect of the electromagnetic shielding case on the electromagnetic waves is improved. The utility model also provides a computer comprising the electromagnetic shielding case and the main board.
Description
Technical Field
The utility model relates to the technical field of computers, in particular to an electromagnetic shielding case and a computer.
Background
In the using process of the electronic equipment, the electronic equipment can be influenced by electromagnetic radiation, one is that external electromagnetic radiation generates certain signal interference on the electronic equipment to cause signal degradation in the electronic equipment, and the other is that the electromagnetic radiation generated in the electronic equipment escapes to generate signal interference on other electronic equipment. At present, two modes for reducing electromagnetic radiation interference are generally adopted, one is to attach a wave absorbing material in a case of an electronic device so as to absorb external and internal electromagnetic waves, and the other is to attach a sealing gasket at a gap of the case so as to reduce propagation paths of the electromagnetic waves entering and exiting the case. However, attaching the wave absorbing material and the sealing gasket is costly and cumbersome.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an electromagnetic shielding chassis and a computer that improves the electromagnetic shielding capability of the chassis at a low cost.
The embodiment of the utility model provides an electromagnetic shielding case, which comprises:
a frame;
the mounting piece is connected with the frame and surrounds the frame to form an accommodating groove with an opening, and a plurality of mounting grooves which are communicated with the accommodating groove are formed in the mounting piece;
the sealing cover piece comprises a sealing cover body and a plurality of embedded bodies, wherein the sealing cover body covers the frame and the mounting piece so as to cover the containing groove and the mounting grooves, the embedded bodies are connected with the sealing cover body and correspond to the mounting grooves one by one, each embedded body is inserted into the corresponding mounting groove and extends to the containing groove, and each embedded body and the mounting piece are overlapped in the opening direction of the containing groove.
The frame of the electromagnetic shielding case can be used as a whole for installing electronic elements, the sealing cover body covers the frame and the mounting piece to form a closed space with the accommodating groove, each embedded body is inserted into the corresponding mounting groove and extends to the accommodating groove, the sealing cover piece and the frame are convenient to install, the assembly is simple, the cost is low, each embedded body and the mounting piece are overlapped in the opening direction of the accommodating groove, the propagation paths of external electromagnetic waves entering the accommodating groove and internal electromagnetic waves escaping out of the accommodating groove can be reduced, and the electromagnetic shielding capability of the electromagnetic shielding case on electromagnetic waves can be improved.
In some embodiments, the frame includes a bottom plate, two side plates, and a rear plate, the two side plates are connected to the bottom plate and disposed opposite to each other, and the rear plate is connected to the bottom plate and the two side plates and disposed opposite to the mounting member. The sealing cover body comprises a top plate, two side covers and a rear cover, wherein the two side covers are connected to the top plate and are oppositely arranged, each side cover accommodates one end of the side plate away from the bottom plate, the rear cover is connected with the top plate and the two side covers and accommodates one end of the rear plate away from the bottom plate, and the plurality of embedded bodies are connected with the top plate and are positioned between the two side covers.
In some embodiments, each of the inserts includes:
the connecting part is connected with the top plate at one end, and the other end of the connecting part is inserted into the corresponding mounting groove and extends to the accommodating groove;
and the extension part is connected with the other end of the connecting part and is arranged in parallel with the top plate, and the extension part and the mounting piece are overlapped in the opening direction of the accommodating groove.
In some embodiments, each of the inserts further comprises:
and the bending part is connected with one end of the extending part, which is far away from the connecting part, and the bending part bends from the top plate to the bottom plate.
In some embodiments, the angle between the bending portion and the extending portion is in the range of 30 ° to 45 °.
In some embodiments, a limiting groove is formed in one side, facing the bending portion, of each connecting portion, the mounting piece includes a plurality of clamping bodies, the plurality of clamping bodies are in one-to-one correspondence with the plurality of mounting grooves, and each clamping body is used for being inserted into one limiting groove so as to limit the mounting piece and the sealing cover piece.
In some embodiments, the extending portion and the clamping body are in clearance fit in the opening direction of the accommodating groove, and the distance between the extending portion and the clamping body ranges from 3mm to 3.5mm.
In some embodiments, the mount further comprises:
the front plate is connected with the bottom plate and the two side plates and is arranged opposite to the rear plate;
the mounting body is clamped on the front plate and connected with the two side plates, and the mounting body and the bottom plate are oppositely arranged; wherein,
the mounting grooves are formed in the mounting body, and the clamping bodies are connected to the mounting body.
In some embodiments, each side cover is arc-shaped, the mounting body is located at a joint of the front plate and the side plate and is provided with a transition portion, the transition portion is matched with the side cover, and the transition portion and the embedding body are overlapped in a direction perpendicular to the side plate.
The embodiment of the utility model also provides a computer, which comprises:
the electromagnetic shielding case described in the above embodiment;
and the main board is connected with the mounting piece and is accommodated in the accommodating groove.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic shielding chassis according to an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of the electromagnetic shielding case shown in fig. 1 along A-A direction.
Fig. 3 is a schematic structural view of a mounting member and a frame in the electromagnetic shielding case shown in fig. 1.
Fig. 4 is a schematic structural view of a cover member in the electromagnetic shielding case shown in fig. 1.
Description of the main reference signs
Electromagnetic shielding case 100
Storage groove 100a
Frame 110
Bottom plate 111
Side plate 112
Rear plate 113
Mounting member 120
Mounting groove 120a
Clamping body 121
Front plate 122
Mounting body 123
Transition 123a
Cover 130
Cover body 131
Top plate 1311
Side cover 1312
Rear cover 1313
Insert 132
Connection portion 1321
Limit groove 1321a
Extension 1322
Bending part 1323
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, an electromagnetic shielding chassis 100 according to an embodiment of the present utility model includes a frame 110, a mounting member 120 and a cover member 130, and is applied to electronic devices such as a computer for shielding electromagnetic interference from the inside and the outside.
Referring to fig. 1 and 2, the mounting member 120 is connected to the frame 110 and encloses an open accommodating groove 100a with the frame 110, the mounting member 120 is provided with a plurality of mounting grooves 120a all communicating with the accommodating groove 100a, the cover member 130 includes a cover body 131 and a plurality of embedded bodies 132, the cover body 131 covers the frame 110 and the mounting member 120 to cover the accommodating groove 100a and the plurality of mounting grooves 120a, the plurality of embedded bodies 132 are connected to the cover body 131 and correspond to the plurality of mounting grooves 120a one by one, each embedded body 132 is inserted into the corresponding mounting groove 120a and extends to the accommodating groove 100a, and each embedded body 132 overlaps the mounting member 120 in the opening direction of the accommodating groove 100a.
The frame 110 of the electromagnetic shielding case 100 may be used as a whole for mounting electronic components, the cover body 131 covers the frame 110 and the mounting member 120 to form a closed space with the accommodating groove 100a, each embedded body 132 is inserted into the corresponding mounting groove 120a and extends to the accommodating groove 100a, so that the cover member 130 and the frame 110 are convenient to mount, the assembly is simple, the cost is low, each embedded body 132 and the mounting member 120 are overlapped in the opening direction of the accommodating groove 100a, the propagation path of external electromagnetic waves entering the accommodating groove 100a and internal electromagnetic waves escaping from the accommodating groove 100a can be reduced, and the electromagnetic shielding capability of the electromagnetic shielding case 100 to electromagnetic waves is improved.
In this embodiment, the number of the embedded bodies 132 and the mounting grooves 120a is three, the three embedded bodies 132 are arranged at equal intervals, and the three mounting grooves 120a are arranged at equal intervals, which is beneficial to improving the connection stability of the cover 130 and the mounting member 120. It is understood that in other embodiments, the number of the embedded bodies 132 and the mounting slots 120a may be two, four or more, so long as the same number of the embedded bodies 132 and the mounting slots 120a is satisfied.
Referring to fig. 3 and 4, in some embodiments, the frame 110 includes a bottom plate 111, two side plates 112, and a rear plate 113, where the two side plates 112 are connected to the bottom plate 111 and disposed opposite to each other, and the rear plate 113 connects the bottom plate 111 and the two side plates 112 and is disposed opposite to the mounting member 120. The cover body 131 includes a top plate 1311, two side covers 1312, and a rear cover 1313, the two side covers 1312 are connected to the top plate 1311 and are disposed opposite to each other, each side cover 1312 accommodates one end of one side plate 112 far away from the bottom plate 111, the rear cover 1313 connects the top plate 1311 and the two side covers 1312, accommodates one end of the rear plate 113 far away from the bottom plate 111, and the plurality of embedded bodies 132 are connected to the top plate 1311 and are located between the two side covers 1312.
Therefore, each side cover 1312 accommodates one end of the side plate 112 far from the bottom plate 111, and the rear cover 1313 accommodates one end of the rear plate 113 far from the bottom plate 111, so that the cover body 131 and the frame 110 form an embedded structure, which can increase the difficulty of external electromagnetic waves entering the accommodating groove 100a through the connection part of the cover body 131 and the frame 110, thereby improving the electromagnetic wave shielding capability of the electromagnetic shielding case 100.
In the present embodiment, the bottom plate 111, the two side plates 112 and the rear plate 113 are integrated, and the top plate 1311, the two side covers 1312 and the rear cover 1313 are also integrated, which is beneficial to simplifying the processing procedures of the frame 110 and the cover body 131, thereby improving the production efficiency of the electromagnetic shielding case 100.
Referring to fig. 2 and 4, in some embodiments, each insert 132 includes a connection 1321 and an extension 1322. One end of the connection portion 1321 is connected to the top plate 1311, the other end of the connection portion 1321 is inserted into the corresponding mounting groove 120a and extends to the receiving groove 100a, the extension portion 1322 is connected to the other end of the connection portion 1321 and is disposed parallel to the top plate 1311, the extension portion 1322 has a substantially plate-like structure, and the extension portion 1322 and the mounting member 120 are disposed to overlap in the opening direction of the receiving groove 100a.
Therefore, the insert 132 formed by the connecting portion 1321 and the extending portion 1322 is substantially L-shaped, and when the cover 130 is assembled, the extending portion 1322 can be inserted into the receiving groove 100a through the mounting groove 120a, and then the position of the top plate 1311 relative to the mounting piece 120 is limited by the connecting portion 1321.
In this embodiment, the connection portion 1321 is disposed obliquely with respect to the top plate 1311, and when the cover 130 is assembled, the insert 132 is inserted into the mounting groove 120a, and then the cover 131 is assembled to the frame 110, so that the efficiency of inserting the connection portion 1321 into the mounting groove 120a is improved.
Referring to fig. 2 and 4, in some embodiments, each insert 132 further includes a bend 1323. The bending portion 1323 is connected to one end of the extending portion 1322 away from the connecting portion 1321, and the bending portion 1323 bends from the top plate 1311 toward the bottom plate 111.
Accordingly, the insertion of the insert 132 into the mounting groove 120a can be guided by the bent portion 1323, thereby improving the assembly efficiency of the cover 130 and the mounting member 120.
Referring to fig. 2, in some embodiments, the angle between the bent portion 1323 and the extending portion 1322 is α, and α ranges from 30 ° to 45 °, for example: 30 °, 35 °, 40 °, 45 °. In this embodiment, α is 30 °.
Therefore, by reasonably disposing the angle between the bent portion 1323 and the extending portion 1322, the area of the insert 132 occupying the accommodating groove 100a can be reduced on the basis of inserting the quick guiding extending portion 1322 into the accommodating groove 100a. Specifically, if α is smaller than 30 °, the bending degree of the bending portion 1323 with respect to the extending portion 1322 is too small compared to α being larger than 30 °, the extending portion 1322 is liable to collide with the mounting member 120 when the cover member 130 is assembled, so that the efficiency of inserting the extending portion 1322 into the accommodating groove 100a is low, and if α is larger than 45 °, the length of the bending portion 1323 in the opening direction of the accommodating groove 100a is large compared to α being smaller than 45 °, the space occupied by the accommodating groove 100a is large, and the electronic component mounted in the accommodating groove 100a is liable to be disturbed.
Referring to fig. 2 to fig. 4, in some embodiments, a limiting groove 1321a is formed on a side of each connecting portion 1321 facing the bending portion 1323, the mounting member 120 includes a plurality of clamping bodies 121, the plurality of clamping bodies 121 are in one-to-one correspondence with the plurality of mounting grooves 120a, and each clamping body 121 is configured to be inserted into one limiting groove 1321a to define the mounting member 120 and the cover member 130.
Therefore, the plurality of holding bodies 121 can limit the mounting member 120 and the cover member 130, thereby improving the assembly accuracy of the mounting member 120 and the cover member 130.
Referring to fig. 2, in some embodiments, the extending portion 1322 is in clearance fit with the holding body 121 in the opening direction of the accommodating groove 100a, and the distance between the extending portion 1322 and the holding body 121 is d, where d ranges from 3mm to 3.5mm, for example: 3mm, 3.2mm, 3.5mm. In this example, d is 3.2mm.
Accordingly, by properly disposing the distance between the extending portion 1322 and the holding body 121 in the opening direction of the housing groove 100a, the cover 130 can be quickly assembled to the mounting member 120, so that the external electromagnetic wave can be effectively shielded from entering the housing groove 100a and the internal electromagnetic wave can be effectively dissipated out of the housing groove 100a. Specifically, if d is smaller than 3mm, the distance between the extended portion 1322 and the holding body 121 in the opening direction of the receiving groove 100a is too small compared to d being larger than 3mm, and when the cover 130 is assembled to the mount 120, the extended portion 1322 easily collides with the holding body 121, resulting in low efficiency of assembling the cover 130 to the mount 120, and if d is larger than 3.5mm, compared to d being smaller than 3.5mm, the distance between the extended portion 1322 and the holding body 121 in the opening direction of the receiving groove 100a is too large, which is unfavorable for stopping external electromagnetic waves from entering the receiving groove 100a and internal electromagnetic waves from escaping out of the receiving groove 100a.
Referring to fig. 3, in some embodiments, the mount 120 further includes a front plate 122 and a mount body 123. The front plate 122 connects the bottom plate 111 and the two side plates 112, and is disposed opposite to the rear plate 113, the mounting body 123 is clamped on the front plate 122 and is connected to the two side plates 112, the mounting body 123 is disposed opposite to the bottom plate 111, the plurality of mounting grooves 120a are all formed in the mounting body 123, and the plurality of clamping bodies 121 are all connected to the mounting body 123. Wherein the mounting body 123 is used for mounting electronic components. In this embodiment, the front plate 122 and the mounting body 123 each have a substantially plate shape.
Referring to fig. 3 and fig. 4, in some embodiments, each side cover 1312 is disposed in an arc shape, a transition portion 123a is disposed at a connection portion between the front plate 122 and the side plate 112 of the mounting body 123, the transition portion 123a is matched with the side cover 1312, and the transition portion 123a and an extension portion 1322 of the embedded body 132 are overlapped in a direction perpendicular to the side plate 112, so that a gap between the connection portion of the cover 130, the mounting member 120 and the frame 110 can be reduced, and a shielding effect of the electromagnetic shielding case 100 on electromagnetic waves can be improved.
The embodiment of the utility model also provides a computer (not shown) comprising a motherboard (not shown) and the electromagnetic shielding case 100 of any of the above embodiments. The mounting body 123 of the motherboard connecting mount 120 is accommodated in the accommodation groove 100a.
The assembly process of the computer is approximately as follows: first, mounting electronic components to the frame 110, and mounting a motherboard or other electronic components to the mounting body 123; next, the front plate 122 is mounted to the bottom plate 111, and the front plate 122 and the two side plates 112 are fixed; then, the mounting body 123 is mounted to the front plate 122, and the mounting body 123 and the two side plates 112 are fixed; finally, the cover 130 is mounted to the mounting body 123, and the cover 130 and the frame 110 are fixed.
In the above computer, the frame 110 of the electromagnetic shielding case 100 may be used as a whole for mounting electronic components, the cover 131 covers the frame 110 and the mounting member 120 to form a closed space with the accommodating groove 100a, each embedded body 132 is inserted into the corresponding mounting groove 120a and extends to the accommodating groove 100a, so that the cover 130 and the frame 110 are convenient to mount, the assembly of the computer is simple and the cost is low, each embedded body 132 and the mounting member 120 are overlapped in the opening direction of the accommodating groove 100a, so that the propagation paths of external electromagnetic waves entering the accommodating groove 100a and internal electromagnetic waves escaping from the accommodating groove 100a can be reduced, and the shielding capability of the computer to electromagnetic waves can be improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. An electromagnetic shielding chassis, comprising:
a frame;
the mounting piece is connected with the frame and surrounds the frame to form an accommodating groove with an opening, and a plurality of mounting grooves which are communicated with the accommodating groove are formed in the mounting piece;
the sealing cover piece comprises a sealing cover body and a plurality of embedded bodies, wherein the sealing cover body covers the frame and the mounting piece so as to cover the containing groove and the mounting grooves, the embedded bodies are connected with the sealing cover body and correspond to the mounting grooves one by one, each embedded body is inserted into the corresponding mounting groove and extends to the containing groove, and each embedded body and the mounting piece are overlapped in the opening direction of the containing groove.
2. The electromagnetic shielding cabinet of claim 1,
the frame comprises a bottom plate, two side plates and a rear plate, wherein the two side plates are connected to the bottom plate and are oppositely arranged, and the rear plate is connected with the bottom plate and the two side plates and is oppositely arranged with the mounting piece;
the sealing cover body comprises a top plate, two side covers and a rear cover, wherein the two side covers are connected to the top plate and are arranged oppositely, each side cover accommodates one end of one side plate far away from the bottom plate, and the rear cover is connected with the top plate and the two side covers and accommodates one end of the rear plate far away from the bottom plate; wherein,
the embedded bodies are connected with the top plate and are positioned between the two side covers.
3. The electromagnetic shielding chassis of claim 2, wherein each of said inserts comprises:
the connecting part is connected with the top plate at one end, and the other end of the connecting part is inserted into the corresponding mounting groove and extends to the accommodating groove;
and the extension part is connected with the other end of the connecting part and is arranged in parallel with the top plate, and the extension part and the mounting piece are overlapped in the opening direction of the accommodating groove.
4. The electromagnetic shielding cabinet of claim 3, wherein each of the inserts further comprises:
and the bending part is connected with one end of the extending part, which is far away from the connecting part, and the bending part bends from the top plate to the bottom plate.
5. The electromagnetic shielding cabinet of claim 4,
the included angle between the bending part and the extending part is 30-45 degrees.
6. The electromagnetic shielding cabinet of claim 4,
each connecting part is provided with a limit groove towards one side of the bending part, each mounting part comprises a plurality of clamping bodies, the clamping bodies are in one-to-one correspondence with the mounting grooves, and each clamping body is used for being inserted into one limit groove so as to limit the mounting part and the sealing cover part.
7. The electromagnetic shielding cabinet of claim 6, wherein the electromagnetic shielding cabinet,
the extending part is in clearance fit with the clamping body in the opening direction of the accommodating groove, and the distance between the extending part and the clamping body ranges from 3mm to 3.5mm.
8. The electromagnetic shielding chassis of claim 6, wherein said mounting further comprises:
the front plate is connected with the bottom plate and the two side plates and is arranged opposite to the rear plate;
the mounting body is clamped on the front plate and connected with the two side plates, and the mounting body and the bottom plate are oppositely arranged; wherein,
the mounting grooves are formed in the mounting body, and the clamping bodies are connected to the mounting body.
9. The electromagnetic shielding cabinet of claim 8,
every the side cap is the arc setting, the installation physically is located the front bezel with the junction of curb plate is equipped with transition portion, transition portion with side cap assorted, just transition portion with the embedding body is perpendicular to the direction of curb plate overlaps the setting.
10. A computer, comprising:
the electromagnetic shielding chassis of any one of claims 1 to 9;
and the main board is connected with the mounting piece and is accommodated in the accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994516.3U CN220553121U (en) | 2023-07-25 | 2023-07-25 | Electromagnetic shielding case and computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994516.3U CN220553121U (en) | 2023-07-25 | 2023-07-25 | Electromagnetic shielding case and computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220553121U true CN220553121U (en) | 2024-03-01 |
Family
ID=90002046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321994516.3U Active CN220553121U (en) | 2023-07-25 | 2023-07-25 | Electromagnetic shielding case and computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220553121U (en) |
-
2023
- 2023-07-25 CN CN202321994516.3U patent/CN220553121U/en active Active
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