CN215818796U - Three proofings screw hole recess pastes pore structure - Google Patents
Three proofings screw hole recess pastes pore structure Download PDFInfo
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- CN215818796U CN215818796U CN202121298463.2U CN202121298463U CN215818796U CN 215818796 U CN215818796 U CN 215818796U CN 202121298463 U CN202121298463 U CN 202121298463U CN 215818796 U CN215818796 U CN 215818796U
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Abstract
The utility model discloses a three-proofing screw hole groove pasting hole structure which comprises a pasting hole structure, a threaded hole, a groove, a circuit board body and a paster, wherein the threaded hole is formed in the circuit board body, and the groove is formed in the top of the threaded hole in the circuit board body; paste the sealed fixed lid of pore structure and establish in the recess at screw hole top, paste the pore structure and be the paster, the paster includes the substrate and can tear the glue film, the diameter of paster is greater than the diameter of screw hole and is less than the diameter of recess, through setting up recess and pasting the pore structure, cover the screw hole with the bottom that the paster pasted into the recess, the screw hole has had the recess after, just can paste fast when pasting the hole, does not need accurate counterpoint, paste the accurate and counterpoint time short in hole when being fluted, efficiency improves to the completion is shielded the position that need not coat and can't guarantee can not be scribbled to the position.
Description
Technical Field
The utility model relates to a hole pasting structure, in particular to a hole pasting structure for a three-proofing screw hole groove, and belongs to the technical field of circuit board processing.
Background
The selective coating process is a novel protection technology in the processing of electronic patches, and the novel technology is a three-proofing coating process of a printed circuit board. When the printed circuit board is designed, electronic components, process materials and assembly processes which can meet the requirements of the use environment are selected according to the use environment and the feasibility requirements of electronic products, and the requirements of damp-heat resistance, salt mist resistance and mould resistance are considered.
The three-proofing protection coating process as the electronic assembly part is that a PCB blank plate is subjected to SMT piece feeding or the whole process of DIP plug-in components, namely PCBA for short, at the rear end of the PCBA, before three-proofing coating is carried out, shielding treatment is carried out on positions which do not need coating and cannot be coated, the problems that hole sticking is inaccurate and alignment time is long exist when holes are stuck at present, and the sticking of one hole needs about 2-3 minutes, so that the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a groove hole pasting structure of a three-proofing screw hole.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a three proofings screw hole recess pastes pore structure, includes the circuit board body and sets up the screw hole on the circuit board body, the top that lies in the screw hole on the circuit board body is seted up flutedly, the recess internal seal fixed lid at screw hole top is equipped with pastes pore structure.
Furthermore, the hole pasting structure is a patch, the patch comprises a substrate and a tearable adhesive layer, and the diameter of the patch is larger than that of the threaded hole and smaller than that of the groove.
Furthermore, the tearable glue layer is uniformly distributed on the bottom surface of the substrate, and the thickness of the substrate is 2 mm.
Further, the hole pasting structure comprises a second wafer, a clamping block, a second insertion rod and a rotating plate, the bottom of the second wafer is provided with the second insertion rod and the clamping block, the clamping block is symmetrically arranged around the second insertion rod, the clamping block is an L-shaped plate, an annular groove is formed in the bottom of the groove, a guide sliding groove is formed in the side wall of the annular groove in a spaced mode along the circumferential direction, a plurality of clamping grooves are formed in the bottom of the groove in an equidistant mode along the circumferential direction, and the number of the guide sliding groove and the clamping grooves is equal to the number of the clamping blocks and corresponds to the number of the clamping blocks.
Further, the hole pasting structure comprises a first wafer, a first insertion rod is arranged at the bottom of the first wafer, the diameter of the first insertion rod is smaller than the inner diameter of the threaded hole, a sponge layer is sleeved on the outer surface of the first insertion rod, and the maximum diameter of the sponge layer is larger than the inner diameter of the threaded hole.
Furthermore, the surface of the sponge layer is designed to be smooth, and the first inserted bar is designed to be conical.
Further, the distance between the top of the cross plate part of the clamping block and the bottom of the second round piece is D1, the distance between the top and the bottom of the guide chute is D2, and D1 is D2.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through arranging the groove and the pasting hole structure, the paster is pasted at the bottom of the groove to cover the threaded hole, after the threaded hole is provided with the groove, the paster can be quickly pasted when pasting the hole, accurate alignment is not needed, when no groove is formed, the pasting of the hole is inaccurate, the alignment time is long, about 2-3 minutes is needed for pasting one hole, only seconds are needed for pasting the hole after the groove is formed, the efficiency is improved, and therefore, the shielding treatment is carried out on the position which does not need to be coated and cannot be guaranteed;
2. personnel are when carrying out the subsides hole, at first put into the joint piece along the joint groove and lead the spout in, then rotate the second disk along leading the spout, the joint piece contacts with leading the spout each other to the realization closes the sealed lid of screw hole, and the lid closes fastly, and subsides pore structure can dismantle and use repeatedly, environmental protection more.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic structural view of the patch of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of a second embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of a second embodiment of the present invention;
FIG. 7 is a cross-sectional view of a second disc in a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a third embodiment of the present invention.
In the figure: 1. a circuit board body; 11. a threaded hole; 2. a groove; 3. pasting a piece; 31. a substrate; 32. the adhesive layer can be torn; 401. a ring groove; 402. a guide chute; 403. a clamping groove; 404. a second wafer; 405. a rotating plate; 406. a clamping block; 407. a second plunger; 501. a first plunger; 502. a first wafer; 503. a top surface; 504. a sponge layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a three-proofing screw hole groove hole pasting structure includes a circuit board body 1 and a threaded hole 11 formed in the circuit board body 1, wherein a groove 2 is formed in the top of the threaded hole 11 on the circuit board body 1, the groove 2 and the threaded hole 11 are concentrically arranged, and the inner diameter of the groove 2 is different according to the size of a bolt used for fixing the circuit board; a hole pasting structure is arranged in the groove 2 at the top of the threaded hole 11 in a sealing and fixing manner;
the first embodiment of the utility model is that the patch hole structure is a patch 3, the patch 3 comprises a substrate 31 and a tearable glue layer 32, the tearable glue layer 32 is uniformly distributed on the bottom surface of the substrate 31, the diameter of the patch 3 is larger than the diameter of the threaded hole 11 and smaller than the diameter of the groove 2, the substrate 31 is made of a plastic sheet or a metal sheet, the thickness of the substrate 31 is 2mm, the tearable glue layer 32 is a glue layer which can be torn off conveniently, and no glue remains after tearing off;
the second embodiment of the utility model is that the hole pasting structure comprises a second circular sheet 404, a clamping block 406, a second inserting rod 407 and a rotating plate 405, the bottom of the second circular sheet 404 is provided with the second inserting rod 407 and the clamping block 406, the clamping blocks 406 are symmetrically arranged around the second inserting rod 407, the clamping block 406 is an L-shaped plate, the top of the second circular sheet 404 is provided with the vertically arranged rotating plate 405, the rotating plate 405 is arranged for facilitating personnel or tools to rotate the second circular sheet 404, the clamping block 406, the second inserting rod 407 and the rotating plate 405 are designed to be integrally formed, the bottom of the groove 2 is provided with a ring groove 401, the side wall of the ring groove 401 is provided with guide sliding grooves 402 at intervals along the circumferential direction, the bottom of the groove 2 is provided with a plurality of clamping grooves 403 at equal intervals along the circumferential direction, the clamping grooves 403 are communicated with the interior of the guide sliding grooves 402, and the number of the clamping grooves 403 is equal to the number of the clamping blocks 406, the distance between the top of the cross plate part of the clamping block 406 and the second circular plate 404 is D1, the distance between the top and the bottom of the guide chute 402 is D2, and D1 is D2;
in a third embodiment of the present invention, the hole pasting structure comprises a first circular sheet 502, the top of the first circular sheet 502 is a top surface 503, wherein preferably, the top surface 503 is designed in a circular arc manner, and the radius of curvature of the top surface 503 is 100 mm;
the bottom of the first disk 502 is provided with a first inserted bar 501, the diameter of the first inserted bar 501 is smaller than the inner diameter of the threaded hole 11, the outer fixed surface of the first inserted bar 501 is provided with a sponge layer 504, the maximum diameter of the sponge layer 504 is larger than the inner diameter of the threaded hole 11, the surface of the sponge layer 504 is designed to be smooth, and the first inserted bar 501 is designed to be conical.
The working principle is as follows: before three-proofing coating is carried out on the PCBA, for the first embodiment, the patch 3 is pasted into the bottom of the groove 2 in the groove 2 at the top of the threaded hole 11 to cover the threaded hole 11, after the groove 2 is formed in the threaded hole 11, the patch can be quickly pasted when the hole is pasted, accurate alignment is not needed, the hole pasting is inaccurate when the groove 2 is not formed, the alignment time is long, about 2-3 minutes are needed when one hole is pasted, only 30 seconds are needed when the hole is pasted after the groove 2 is formed, the efficiency is improved, and therefore shielding treatment is carried out on the position which does not need coating and cannot be guaranteed to be coated; for the second embodiment, when a person pastes a hole, the clamping block 406 is firstly placed into the guide chute 402 along the clamping groove 403, and then is rotated along the guide chute 402, so that the threaded hole 11 is sealed and covered, the covering speed is high, the hole pasting structure is detachable and can be used repeatedly, and the hole pasting device is more environment-friendly; to the third embodiment, directly insert first inserted bar 501 in the screw hole 11 during the use, because the retractility of sponge layer 504, sponge layer 504 extrudes the inner wall of screw hole 11 to the realization is fixed to first disk 502, and then realizes sealing screw hole 11, and convenient to use is swift, circulated use, simple structure.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. A three-proofing screw hole groove pasting hole structure comprises a circuit board body (1) and a threaded hole (11) arranged on the circuit board body (1), and is characterized in that,
the groove (2), the groove (2) is arranged on the top of the threaded hole (11) on the circuit board body (1);
the hole pasting structure is sealed and fixed and covered in the groove (2) at the top of the threaded hole (11).
2. The three-proofing screw hole groove hole pasting structure according to claim 1, characterized in that the hole pasting structure is a patch (3), the patch (3) comprises a substrate (31) and a tearable glue layer (32), and the diameter of the patch (3) is larger than the diameter of the threaded hole (11) and smaller than the diameter of the groove (2).
3. The structure of the three-proofing screw hole, the groove and the hole is characterized in that the tearable glue layer (32) is uniformly distributed on the bottom surface of the substrate (31), and the thickness of the substrate (31) is 2 mm.
4. The hole pasting structure of the three-proofing screw hole groove is characterized in that the hole pasting structure comprises a second wafer (404), a clamping block (406), a second inserting rod (407) and a rotating plate (405), the second inserting rod (407) and the clamping block (406) are arranged at the bottom of the second wafer (404), the clamping block (406) is symmetrically arranged around the second inserting rod (407), the clamping block (406) is an L-shaped plate, a ring groove (401) is formed in the bottom of the groove (2), guide sliding grooves (402) are formed in the side wall of the ring groove (401) at intervals along the circumferential direction, a plurality of clamping grooves (403) are formed in the bottom of the groove (2) at equal intervals along the circumferential direction, and the number of the guide sliding grooves (402) and the number of the clamping grooves (403) are equal to the number of the clamping blocks (406) and correspond to one another.
5. The three-proofing screw hole groove hole pasting structure as claimed in claim 1, wherein the hole pasting structure comprises a first circular sheet (502), a first inserting rod (501) is arranged at the bottom of the first circular sheet (502), the diameter of the first inserting rod (501) is smaller than the inner diameter of the threaded hole (11), a sponge layer (504) is fixedly sleeved on the outer surface of the first inserting rod (501), and the maximum diameter of the sponge layer (504) is larger than the inner diameter of the threaded hole (11).
6. The structure of the three-proofing screw hole, the groove and the hole as claimed in claim 5, wherein the sponge layer (504) has a smooth surface and the first inserting rod (501) is tapered.
7. The structure of the three-proofing screw hole and groove pasting hole of claim 4, wherein the distance between the top of the transverse plate part of the clamping block (406) and the bottom of the second circular plate (404) is D1, and the distance between the top and the bottom of the guiding chute (402) is D2, D1 is D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121298463.2U CN215818796U (en) | 2021-06-10 | 2021-06-10 | Three proofings screw hole recess pastes pore structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121298463.2U CN215818796U (en) | 2021-06-10 | 2021-06-10 | Three proofings screw hole recess pastes pore structure |
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| CN215818796U true CN215818796U (en) | 2022-02-11 |
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| CN202121298463.2U Active CN215818796U (en) | 2021-06-10 | 2021-06-10 | Three proofings screw hole recess pastes pore structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279048A (en) * | 2022-09-26 | 2022-11-01 | 四川英创力电子科技股份有限公司 | Automatic conveying device for baking circuit board |
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2021
- 2021-06-10 CN CN202121298463.2U patent/CN215818796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279048A (en) * | 2022-09-26 | 2022-11-01 | 四川英创力电子科技股份有限公司 | Automatic conveying device for baking circuit board |
| CN115279048B (en) * | 2022-09-26 | 2022-12-16 | 四川英创力电子科技股份有限公司 | Automatic conveying device for baking circuit board |
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