CN213938414U - Multi-layer flexible circuit board structure - Google Patents
Multi-layer flexible circuit board structure Download PDFInfo
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- CN213938414U CN213938414U CN202022683383.0U CN202022683383U CN213938414U CN 213938414 U CN213938414 U CN 213938414U CN 202022683383 U CN202022683383 U CN 202022683383U CN 213938414 U CN213938414 U CN 213938414U
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Abstract
The utility model discloses a multilayer flexible circuit board structure, including base plate, a welding section of thick bamboo and an installation section of thick bamboo, the upper surface of base plate is equipped with a plurality of welding section of thick bamboos, the upper surface four corners of base plate all is equipped with an installation section of thick bamboo, the inside of a welding section of thick bamboo is equipped with increases steady mechanism, it includes curved groove, annular and perpendicular hole to increase steady mechanism, the inner wall at a welding section of thick bamboo is seted up in curved groove. This multilayer flexible circuit board structure, through the base plate, a welding section of thick bamboo and the cooperation between the mechanism of stablizing, the soldering tin part after melting can fall into the inside in curved groove, then flow into the inside of annular through erecting the hole, can make soldering tin increase the welding area between part pin and the welding section of thick bamboo, the stability after adapting unit pin and the welding of a welding section of thick bamboo are accomplished can be strengthened, make the adapting unit probability of droing of multilayer circuit board top can obviously reduce, be difficult for resulting in the functional impaired of multilayer circuit board assembly apparatus, do benefit to the permanent steady operation of multilayer circuit board installation apparatus.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a multilayer flexible circuit board structure.
Background
In recent years, with the progress of miniaturization and high integration of VLSI and electronic components, multilayer boards are often advanced in the direction of matching high-function circuits, so that the demands for high-density circuits and high wiring capacity are ever increasing, and the requirements for electrical characteristics (such as Crosstalk and impedance characteristic integration) are also increasingly strict.
Meanwhile, in the process of installing the multilayer circuit board at a proper position, a protection mechanism is absent below the multilayer circuit board, and if the screw is rotated clockwise and the force is applied greatly, the local damage of the multilayer circuit board is easily caused.
And the inner wall of the mounting hole above the multilayer circuit board cannot be suitable for screws of various thickness models to be mounted, and if the outer diameter of the screw used for mounting is small, the situation that the stability of the mounted multilayer circuit board is insufficient can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multilayer flexible printed circuit board structure to solve the inboard welding hole of circuit board that proposes in the above-mentioned background art and be connected the stability after the welding between the pin comparatively general, if multilayer circuit board mounted position is fixed knot structure still can the steady operation, but when multilayer circuit board installation portable apparatus top, the permanent operation on the way multilayer circuit board top adapting unit probability of droing is higher, easily leads to the apparatus functional impaired, is unfavorable for the steady operation problem of multilayer circuit board installation apparatus.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer flexible circuit board structure comprises a substrate, a welding cylinder and an installation cylinder, wherein a plurality of welding cylinders are arranged on the upper surface of the substrate, the installation cylinders are arranged at four corners of the upper surface of the substrate, and a stability augmentation mechanism is arranged inside the welding cylinders;
the stability augmentation mechanism comprises a curved groove, a ring groove and a vertical hole;
the inner wall at a welding section of thick bamboo is seted up to crooked groove, the annular is seted up outside the upper surface at a welding section of thick bamboo, perpendicular hole has all been seted up to the inside bottom left and right sides of annular, it is each other for the intercommunication to erect the hole and the inside in crooked groove.
Preferably, the top end of the inner wall of the welding cylinder is provided with a round angle.
Preferably, the inner bottom end outside of the ring groove is higher than the inner bottom end inside by 10 to 15 μm.
Preferably, a protection mechanism is arranged below the mounting cylinder;
the protection mechanism comprises a clamping groove, a rubber ring and a groove edge;
the lower surface at the installation section of thick bamboo is seted up to the draw-in groove, the inside joint of draw-in groove has the rubber ring, the groove arris has been seted up to the lower surface of rubber ring.
Preferably, the vertical section of the clamping groove is of a T-shaped structure.
Preferably, a differential compensation mechanism is arranged inside the mounting cylinder;
the differential compensation mechanism comprises a circular groove, a vertical cylinder, an arc-shaped paste and a support plate;
the upper surface at an installation section of thick bamboo is seted up to the circular slot, the inside of circular slot is equipped with a vertical cylinder, the outer wall of a vertical cylinder offsets tightly with the contact surface of circular slot, the inner wall from the top down of a vertical cylinder is annular rigid coupling in proper order and has a plurality of arcs to paste, the inboard surface rigid coupling that the arc pasted has the extension board.
Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the multi-layer flexible circuit board structure has the following advantages:
through the base plate, a welding section of thick bamboo and the cooperation between the mechanism of increasing steady, insert the inside back of a welding section of thick bamboo with adapting unit's pin, operating personnel is using electric welding gun to make soldering tin carry out the welding process between adapting unit pin and the welding section of thick bamboo, the inside in curved groove can be fallen into to the soldering tin part after melting, then flow into the inside of annular through erecting the hole, can make soldering tin increase the welding area between part pin and the welding section of thick bamboo, stability after adapting unit pin and the welding of a welding section of thick bamboo are accomplished can be strengthened, make adapting unit top adapting unit drop probability can obviously reduce, be difficult for resulting in the functional impaired of multilayer circuit board assembly apparatus, do benefit to the permanent steady operation of multilayer circuit board installation apparatus.
Through the cooperation between base plate, an installation section of thick bamboo and the protection machanism, run through the installation section of thick bamboo with base plate and suitable position installation in using the screw, if when the clockwise rotation application of force is great to the screw, the rubber ring of installation section of thick bamboo lower surface can carry out compression deformation, can slow down the effort that is used in the base plate top, and not fragile base plate can strengthen the stability on installation section of thick bamboo and mounted position surface simultaneously.
Through the cooperation between an installation section of thick bamboo and the difference compensation mechanism, if when comparatively tiny screw runs through an installation section of thick bamboo and suitable mounted position screw thread links to each other, because of the arc pastes and the extension board self possesses certain toughness and can produce certain deformation, can make the extension board offset tightly with inserting the screw outer wall all the time, can make the installation section of thick bamboo be applicable to the screw of multiple thickness model and install for the base plate stability after the installation can ensure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the substrate, the mounting cylinder and the protection mechanism of FIG. 1;
FIG. 3 is a schematic view of a connection structure of the substrate, the soldering pot and the stability increasing mechanism in FIG. 1;
fig. 4 is a schematic view of a connection structure of the substrate, the mounting cylinder, and the differential compensation mechanism of fig. 1.
In the figure: 1. the device comprises a base plate, 2, a welding cylinder, 3, an installation cylinder, 4, a stability augmentation mechanism, 401, a curved groove, 402, a ring groove, 403, a vertical hole, 5, a protection mechanism, 501, a clamping groove, 502, a rubber ring, 503, a groove edge, 6, a difference compensation mechanism, 601, a circular groove, 602, a vertical cylinder, 603, an arc paste, 604 and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a multi-layer flexible circuit board structure comprises a substrate 1, a welding cylinder 2 and an installation cylinder 3, wherein the upper surface of the substrate 1 is provided with a plurality of welding cylinders 2, four corners of the upper surface of the substrate 1 are provided with the installation cylinders 3, the substrate 1 is a multi-layer circuit board, the welding cylinder 2 is mainly made of copper, the installation cylinder 3 is mainly made of PCB, a stability augmentation mechanism 4 is arranged inside the welding cylinder 2, the stability augmentation mechanism 4 comprises a curved groove 401, annular groove 402 and perpendicular hole 403, crooked groove 401 is seted up at the inner wall of a welding section of thick bamboo 2, annular groove 402 is seted up outside the upper surface of a welding section of thick bamboo 2, perpendicular hole 403 has all been seted up to the inside bottom left and right sides of annular groove 402, it is each other intercommunication to erect hole 403 and crooked groove 401's inside, the fillet has been seted up on the inner wall top of a welding section of thick bamboo 2, be convenient for insert of adapting unit pin, the inside bottom outside of annular groove 402 is higher than 10-15 mu m for inside bottom inboard, be convenient for liquid soldering tin flow direction perpendicular hole 403's inside.
The below of installation section of thick bamboo 3 is equipped with protection mechanism 5, and protection mechanism 5 includes draw-in groove 501, rubber ring 502 and groove arris 503, and the lower surface at installation section of thick bamboo 3 is seted up to draw-in groove 501, and the inside joint of draw-in groove 501 has rubber ring 502, and rubber ring 502 is made for the rubber material, has certain toughness, and groove arris 503 has been seted up to the lower surface of rubber ring 502, and the vertical section of draw-in groove 501 is "T" type structure, can make the stability between rubber ring 502 and the installation section of thick bamboo 3 ensure.
The inside of a mounting section of thick bamboo 3 is equipped with poor compensation mechanism 6, poor compensation mechanism 6 includes circular slot 601, vertical cylinder 602, the arc pastes 603 and extension board 604, circular slot 601 is seted up at the upper surface of a mounting section of thick bamboo 3, the inside of circular slot 601 is equipped with vertical cylinder 602, the outer wall of vertical cylinder 602 offsets tightly with the contact surface of circular slot 601, the inner wall from the top down of vertical cylinder 602 is annular rigid coupling in proper order and has a plurality of arcs to paste 603, the inboard surface rigid coupling that the arc pasted 603 has extension board 604, arc pastes 603 and extension board 604 and all adopts organic material blend such as macromolecular material PV and ABS polyphenylene oxygen to form.
When the multi-layer flexible circuit board structure is used, firstly, the substrate 1 is placed above the base plane of the installation position, the installation cylinder 3 is aligned with the threaded hole above the installation base plane, the screws penetrate through the installation cylinder 3 to butt the substrate 1 and the installation base plane, the rubber ring 502 on the lower surface of the installation cylinder 3 is compressed and deformed during the use, the acting force of the screws acting on the upper side of the substrate 1 can be reduced, the substrate 1 is not damaged, meanwhile, the stability of the installation cylinder 3 and the surface of the installation position can be enhanced, then after the pins of the connecting part are inserted into the welding cylinder 2, an operator can use an electric welding gun to weld the pins of the connecting part and the welding cylinder 2, the melted solder part can fall into the curved groove 401 and then flow into the annular groove 402 through the vertical holes 403, the solder can increase the welding area between the pins of the part and the welding cylinder 2, the stability of adapting unit pin and welding section of thick bamboo 2 welding after accomplishing can be strengthened for adapting unit top drop probability can obviously be reduced, is difficult for leading to the functional impaired of multilayer circuit board assembly apparatus, does benefit to the permanent steady operation of multilayer circuit board installation apparatus, and the practicality is stronger to do benefit to and uses widely.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multilayer flexible circuit board structure, includes base plate (1), a welding section of thick bamboo (2) and an installation section of thick bamboo (3), the upper surface of base plate (1) is equipped with a plurality of welding section of thick bamboos (2), the upper surface four corners of base plate (1) all is equipped with an installation section of thick bamboo (3), its characterized in that: a stability augmentation mechanism (4) is arranged inside the welding cylinder (2);
the stability augmentation mechanism (4) comprises a curved groove (401), a ring groove (402) and a vertical hole (403);
set up the inner wall at a welding section of thick bamboo (2) in curved groove (401), set up the upper surface outside at a welding section of thick bamboo (2) annular (402), perpendicular hole (403) have all been seted up to the inside bottom left and right sides of annular (402), it is each other intercommunication to erect hole (403) and the inside in curved groove (401).
2. The structure of claim 1, wherein: and the top end of the inner wall of the welding cylinder (2) is provided with a round angle.
3. The structure of claim 1, wherein: the inner bottom outer side of the ring groove (402) is higher than the inner bottom inner side by 10-15 μm.
4. The structure of claim 1, wherein: a protection mechanism (5) is arranged below the mounting cylinder (3);
the protection mechanism (5) comprises a clamping groove (501), a rubber ring (502) and a groove edge (503);
the lower surface at an installation cylinder (3) is seted up in draw-in groove (501), the inside joint of draw-in groove (501) has rubber ring (502), grooved edge (503) have been seted up to the lower surface of rubber ring (502).
5. The structure of claim 4, wherein: the vertical section of the clamping groove (501) is of a T-shaped structure.
6. The structure of claim 1, wherein: a differential compensation mechanism (6) is arranged in the mounting cylinder (3);
the differential compensation mechanism (6) comprises a circular groove (601), a vertical cylinder (602), an arc-shaped paste (603) and a support plate (604);
the upper surface at installation section of thick bamboo (3) is seted up in circular slot (601), the inside of circular slot (601) is equipped with vertical cylinder (602), the outer wall of vertical cylinder (602) offsets tightly with the contact surface of circular slot (601), the inner wall from the top down of vertical cylinder (602) is annular rigid coupling in proper order and has a plurality of arcs to paste (603), the inboard surface rigid coupling that the arc pasted (603) has extension board (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022683383.0U CN213938414U (en) | 2020-11-18 | 2020-11-18 | Multi-layer flexible circuit board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022683383.0U CN213938414U (en) | 2020-11-18 | 2020-11-18 | Multi-layer flexible circuit board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938414U true CN213938414U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022683383.0U Active CN213938414U (en) | 2020-11-18 | 2020-11-18 | Multi-layer flexible circuit board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938414U (en) |
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2020
- 2020-11-18 CN CN202022683383.0U patent/CN213938414U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230508 Address after: 523000 single housing industrial zone, Shijie Town, Guangdong, Dongguan Patentee after: Dongguan Zhuorong Electronic Plastic Co.,Ltd. Address before: 030051 No.480, nanneihuan street, Xiaodian District, Taiyuan City, Shanxi Province (Block C, 15th floor, Shengwei building) Patentee before: Li Yanjun |
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| TR01 | Transfer of patent right |