CN221532006U - Screw fastening shielding cover structure - Google Patents
Screw fastening shielding cover structure Download PDFInfo
- Publication number
- CN221532006U CN221532006U CN202420043928.7U CN202420043928U CN221532006U CN 221532006 U CN221532006 U CN 221532006U CN 202420043928 U CN202420043928 U CN 202420043928U CN 221532006 U CN221532006 U CN 221532006U
- Authority
- CN
- China
- Prior art keywords
- screw
- fastening
- shielding cover
- patch nut
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 13
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 4
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a screw fastening shielding cover structure which is used for being installed on a PCB (printed circuit board), wherein a first limit groove and a fixing hole are formed in the PCB; the screw fastening shielding cover structure comprises a patch nut column, a shielding cover and a fastening screw; the patch nut column is welded in the fixing hole; the shielding cover comprises a cover body and a first limiting part, the first limiting part is fixed at the lower end of the cover body, the first limiting part is clamped into the first limiting groove, and the cover body is provided with a mounting hole matched with the patch nut column; the fastening screw passes through the mounting hole and is connected in the patch nut column in a threaded manner. The beneficial effects of the utility model are as follows: the first limiting part of the shielding cover is clamped into the first limiting groove of the PCB, and then the fastening screw is connected into the patch nut column in a threaded manner after passing through the mounting hole of the cover body, so that the shielding cover is mounted.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a screw fastening shielding cover structure.
Background
A shield is a device for reducing electromagnetic interference (EMI), and is typically made of a metallic material. In the electronic devices on the PCB board, electromagnetic interference is easily generated due to the dense arrangement of various electronic components, which affects the normal operation of the devices. Therefore, in PCB designs, it is desirable to incorporate shielding to reduce electromagnetic interference.
In the prior art, the shielding case is usually directly welded on the PCB board, so that the following technical problems exist: firstly, the mounting position of the shielding cover is not positioned, so that the accuracy of the mounting position of the shielding cover is difficult to ensure; secondly, when the shielding cover is welded, the false welding is easy to occur, and when the product vibrates in the transportation or use process, the shielding cover is easy to loosen or even fall off; thirdly, the processing technology of the shielding case is complex, and most of the shielding cases need special dies; fourthly, the installation and the disassembly are difficult, and parts are easy to damage during repeated disassembly and assembly.
Disclosure of utility model
In view of the foregoing, it is desirable to provide a screw fastening shielding case structure for solving the technical problems that the accuracy of the mounting position of the shielding case is not high, the shielding case is easy to loosen and even fall off, a special mold is required, and parts are easy to damage when the assembly and the disassembly are repeated.
In order to achieve the above purpose, the utility model provides a screw fastening shielding cover structure, which is used for being installed on a PCB, wherein a first limit groove and a fixing hole are formed in the PCB; the screw thread fastening shielding cover structure comprises a PCB, a patch nut column, a shielding cover and fastening screws;
The patch nut column is welded in the fixing hole;
The shielding cover comprises a cover body and a first limiting part, the first limiting part is fixed at the lower end of the cover body and is used for being clamped into the first limiting groove, and the cover body is provided with a mounting hole matched with the patch nut column;
The fastening screw passes through the mounting hole and then is connected in the patch nut column in a threaded manner, and the cover body is elastically deformed.
The PCB is provided with a second limiting groove, the lower end of the cover body is further provided with a second limiting part, and the second limiting part is used for being clamped into the second limiting groove.
In some embodiments, the first limit groove is perpendicular to the second limit groove.
In some embodiments, the second stop is perpendicular to the first stop.
In some embodiments, the number of patch nut posts is two.
In some embodiments, the patch nut post includes an insertion portion and an exposed portion, the insertion portion is inserted into the fixing hole, and the exposed portion is located outside the fixing hole and abuts against the board surface of the PCB board.
In some embodiments, a gap is formed between the patch nut post and the cap.
In some embodiments, the threaded fastening shield structure further comprises a first spacer that is sleeved over the fastening screw.
In some embodiments, the threaded fastening shield structure further comprises a second spacer, the second spacer being sleeved over the fastening screw.
In some embodiments, the second gasket is a resilient gasket.
Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: during installation, the patch nut column is welded in the fixed hole of the PCB, the first limiting part of the shielding cover is clamped into the first limiting groove of the PCB, and the fastening screw penetrates through the installation hole of the cover body and is then connected in the patch nut column in a threaded manner, so that the installation of the shielding cover is realized, the threaded fastening shielding cover structure provided by the utility model can position the cover body and the patch nut column through the first limiting groove and the fixed hole respectively during installation, the accuracy of the mounting position of the patch nut column is improved, meanwhile, the mounting fastening degree of the shielding cover can be improved through screw threads to lock the shielding cover, the situation that the shielding cover loosens or even falls off is avoided, and in addition, the shielding cover structure provided by the utility model is simple in processing technology and does not need a special die; in addition, the shielding cover structure provided by the utility model is simple to install and detach, can be repeatedly assembled and disassembled, and is not easy to damage parts.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a screw-fastened shield structure provided by the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view of section A-A of FIG. 3;
FIG. 5 is an enlarged partial view of region B of FIG. 4;
In the figure: the PCB comprises a 1-PCB board, a 11-first limit groove, a 12-fixing hole, a 13-second limit groove, a 2-patch nut column, a 21-insertion part, a 22-exposed part, a 3-shielding cover, a 31-cover body, a 311-mounting hole, a 32-first limit part, a 33-second limit part, a 4-fastening screw, a 41-first gasket, a 42-second gasket and an S-gap.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a screw fastening shielding cover structure for mounting on a PCB board 1, wherein a first limiting groove 11 and a fixing hole 12 are formed on the PCB board 1.
The screw thread fastening shielding cover structure comprises a patch nut column 2, a shielding cover 3 and a fastening screw 4;
the patch nut post 2 is welded in the fixing hole 12;
The shielding cover 3 comprises a cover body 31 and a first limiting part 32, the first limiting part 32 is fixed at the lower end of the cover body 31, the first limiting part 32 is used for being clamped into the first limiting groove 11, and the cover body 31 is provided with a mounting hole 311 matched with the patch nut column 2;
The fastening screw 4 passes through the mounting hole 311 and then is screwed into the patch nut post 2, and the cover body is elastically deformed, so that the bottom of the cover body 31 and the PCB board 1 are tightly attached.
During installation, the patch nut column 2 is welded in the fixing hole 12 of the PCB 1, the first limiting part 32 of the shielding cover 3 is clamped into the first limiting groove 11 of the PCB 1, the fastening screw 4 passes through the mounting hole 311 of the cover 31 and is connected in the patch nut column 2 in a threaded manner, so that the shielding cover 3 is installed, the screw fastening shielding cover structure provided by the utility model can position the cover body 31 and the patch nut column 2 through the first limit groove 11 and the fixing hole 12 respectively during installation, so that the accuracy of the installation position of the patch nut column 2 is improved, and meanwhile, the installation fastening degree of the shielding cover 3 can be improved through screw locking of the shielding cover 3, the condition that the shielding cover loosens or even falls off is avoided, and in addition, the processing technology of the shielding cover structure provided by the utility model is simple and does not need a special die; in addition, the shielding cover structure provided by the utility model is simple to install and detach, can be repeatedly assembled and disassembled, and is not easy to damage parts.
In order to improve the positioning accuracy of the cover 31, referring to fig. 2, in a preferred embodiment, the PCB board 1 is provided with a second limiting groove 13, a second limiting portion 33 is further formed at the lower end of the cover 31, and the second limiting portion 33 is configured to be clamped into the second limiting groove 13.
In order to further improve the positioning accuracy of the cover 31, referring to fig. 2, in a preferred embodiment, the first limiting groove 11 is perpendicular to the second limiting groove 13.
In order to further improve the positioning accuracy of the cover 31, referring to fig. 2, in a preferred embodiment, the second limiting portion 33 is perpendicular to the first limiting portion 32.
In order to enhance the screw tightening effect, referring to fig. 1 to 4, in a preferred embodiment, the number of patch nut posts 2 is two.
In order to improve the precision of the fitting between the patch nut post 2 and the fixing hole 12, referring to fig. 2-5, in a preferred embodiment, the patch nut post 2 includes an insertion portion 21 and an exposed portion 22, wherein the insertion portion 21 is inserted into the fixing hole 12, and the exposed portion 22 is located outside the fixing hole 12 and abuts against the board surface of the PCB board 1.
In order to improve the tightness between the shielding case 3 and the PCB board 1, referring to fig. 2-5, in a preferred embodiment, a gap S is formed between the patch nut post 2 and the case 31, and by providing the gap S, when the fastening screw 4 is screwed, the case 31 will generate a proper amount of elastic deformation, so as to ensure that the bottom of the case 31 is tightly attached to the PCB board 1.
In order to improve the fastening effect of the fastening screw 4, referring to fig. 5, in a preferred embodiment, the threaded fastening shielding structure further includes a first spacer 41, and the first spacer 41 is sleeved on the fastening screw 4.
In order to further enhance the fastening effect of the fastening screw 4, referring to fig. 5, in a preferred embodiment, the threaded fastening shielding structure further includes a second spacer 42, and the second spacer 42 is sleeved on the fastening screw 4.
In order to enhance the effect of the second pad 42, referring to fig. 5, in a preferred embodiment, the second pad 42 is an elastic pad.
For a better understanding of the present utility model, the operation of the screw-on shield structure provided by the present utility model is described in detail below in conjunction with fig. 1-5: during installation, the patch nut column 2 is welded in the fixing hole 12 of the PCB 1, the first limiting part 32 of the shielding cover 3 is clamped into the first limiting groove 11 of the PCB 1, the fastening screw 4 passes through the mounting hole 311 of the cover 31 and is connected in the patch nut column 2 in a threaded manner, so that the shielding cover 3 is installed, the screw fastening shielding cover structure provided by the utility model can position the cover body 31 and the patch nut column 2 through the first limit groove 11 and the fixing hole 12 respectively during installation, so that the accuracy of the installation position of the patch nut column 2 is improved, and meanwhile, the installation fastening degree of the shielding cover 3 can be improved through screw locking of the shielding cover 3, the condition that the shielding cover loosens or even falls off is avoided, and in addition, the processing technology of the shielding cover structure provided by the utility model is simple and does not need a special die; in addition, the shielding cover structure provided by the utility model is simple to install and detach, can be repeatedly assembled and disassembled, and is not easy to damage parts.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal, vertical, or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a screw thread fastening shield cover structure for install in the PCB board, its characterized in that, first spacing groove and fixed orifices have been seted up on the PCB board; the screw fastening shield structure includes:
the patch nut column is welded in the fixing hole;
The shielding cover comprises a cover body and a first limiting part, the first limiting part is fixed at the lower end of the cover body and is used for being clamped into the first limiting groove, and the cover body is provided with a mounting hole matched with the patch nut column; and
The fastening screw penetrates through the mounting hole and then is connected into the patch nut column in a threaded mode, and the cover body is elastically deformed.
2. The screw fastening shielding cover structure according to claim 1, wherein a second limiting groove is formed in the PCB board, a second limiting portion is further formed at the lower end of the cover body, and the second limiting portion is used for being clamped into the second limiting groove.
3. The threaded fastening shield structure of claim 2 wherein the first limit slot is perpendicular to the second limit slot.
4. The screw tightening shield structure according to claim 2, wherein the second limit portion is perpendicular to the first limit portion.
5. The screw-fastened shield structure according to claim 1, wherein the number of said patch nut posts is two.
6. The screw fastening shield structure according to claim 1, wherein the patch nut post includes an insertion portion and an exposed portion, the insertion portion is inserted into the fixing hole, and the exposed portion is located outside the fixing hole and abuts against a board surface of the PCB board.
7. The screw-fastened shield structure according to claim 1, wherein a gap is formed between the patch nut post and the shield body.
8. The threaded fastening shield structure of claim 1 further comprising a first spacer that is sleeved over the fastening screw.
9. The threaded fastening shield structure of claim 1 further comprising a second spacer that is sleeved over the fastening screw.
10. The screw-fastened shield structure according to claim 9, wherein said second gasket is a resilient gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420043928.7U CN221532006U (en) | 2024-01-08 | 2024-01-08 | Screw fastening shielding cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420043928.7U CN221532006U (en) | 2024-01-08 | 2024-01-08 | Screw fastening shielding cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221532006U true CN221532006U (en) | 2024-08-13 |
Family
ID=92207093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420043928.7U Active CN221532006U (en) | 2024-01-08 | 2024-01-08 | Screw fastening shielding cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221532006U (en) |
-
2024
- 2024-01-08 CN CN202420043928.7U patent/CN221532006U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2597478Y2 (en) | Connector with metal shell | |
| US5175395A (en) | Electromagnetic shield | |
| US6501030B1 (en) | Grounding plug for printed circuit board | |
| CA2355037C (en) | Circuit board assembly with heat sinking | |
| US20050129483A1 (en) | Surface mount captive screw ferrule for PCB | |
| US7504590B2 (en) | EMI shielding gaskets | |
| US9332680B2 (en) | Electrical gasket and electronic module having electrical gasket | |
| US20030227760A1 (en) | EMC shield and housing for electronic components | |
| US20040120126A1 (en) | Circuit board mounting apparatus | |
| CN221532006U (en) | Screw fastening shielding cover structure | |
| US20120018214A1 (en) | Printed circuit board assembly | |
| US20110096516A1 (en) | Supporting assembly for printed circuit board | |
| US6297969B1 (en) | Electromagnetic interference shielding enclosure | |
| US20120145723A1 (en) | Enclosure with mounting member | |
| US6621002B1 (en) | Concealed biaxial card to frame grounding scheme | |
| CN220962318U (en) | Front and rear window structure of server and server | |
| CN218886766U (en) | A motherboard fixing structure and display | |
| JP2002141690A (en) | Shield box | |
| US9313934B2 (en) | Dispensible electrical gasket, electronic module having dispensible electrical gasket, and method of fabricating same | |
| CN110730609A (en) | Shielding device for mobile terminal | |
| KR20060096000A (en) | Interference-shielded mobile station and a corresponding method and arrangement in the interference shielding of a mobile station | |
| CN209544571U (en) | A kind of filter | |
| CN215269336U (en) | Jig for mounting shielding frame and circuit board assembly | |
| US11025011B1 (en) | RF connector with V-grooved EMI sealing interface | |
| US6661670B1 (en) | Apparatus, assembly and system for enhancing EMI shielding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |