CN215682730U

CN215682730U - Circular PCB circuit board of two-sided unleaded hot air solder leveling

Info

Publication number: CN215682730U
Application number: CN202121543781.0U
Authority: CN
Inventors: 丁德平
Original assignee: Huai'an Hongyi Electronic Technology Co ltd
Current assignee: Huai'an Hongyi Electronic Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-28
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a double-sided lead-free tin-spraying circular PCB (printed circuit board), which comprises an outer end connecting plate, wherein the top ends of the periphery of the outer end connecting plate are movably connected with buckling buttons, the inner wall of the outer end connecting plate is fixedly connected with a fixed dielectric layer, reserved guide holes are formed in the outer side of the fixed dielectric layer, the upper end and the lower end of the fixed dielectric layer are fixedly connected with a circuit bottom plate, and the upper end and the lower end of the circuit bottom plate are fixedly connected with an alloy layer. This circular PCB circuit board of two-sided unleaded hot air solder leveling, the stability of connecting between two circuit boards can be improved to the outer end connecting plate, guarantees this PCB circuit board and keeps normal result of use, and the stable installation of this circuit board has been guaranteed to the lock button simultaneously, reserves the guide hole inside and can utilize the bolt to install, has guaranteed the further stable installation of PCB circuit board, can dismantle the solitary fixed dielectric layer as required when using and get off and install the use, is favorable to increasing its use flexibility.

Description

Circular PCB circuit board of two-sided unleaded hot air solder leveling

Technical Field

The utility model relates to the technical field of PCB production, in particular to a double-sided lead-free tin-spraying circular PCB.

Background

In recent decades, the Printed Circuit Board (PCB) manufacturing industry in China has been developed rapidly, and the total output value and the total output are the first of the world. Due to the fact that electronic products are changing day by day, price war changes the structure of a supply chain, China has industrial distribution, cost and market advantages, and the price war becomes the most important production base of the printed circuit board in the world. Printed circuit boards have evolved from single-layer to double-sided, multi-layer and flex boards, and have continued to evolve toward high precision, high density and high reliability. The size is continuously reduced, the cost is reduced, and the performance is improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products.

However, the problem of mutual separation between the plates can occur when the existing PCB is used for lead-free tin spraying, which is not beneficial to improving the use effect of the PCB, and meanwhile, the common PCB can not be stably installed as required when being installed, so that the application range of the PCB is enlarged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-sided lead-free tin-spraying circular PCB circuit board, which solves the problems that in the prior art, plates are separated from each other when the existing PCB circuit board is used in lead-free tin spraying, the use effect of the circuit board is not improved, and meanwhile, a common PCB circuit board cannot be stably installed as required during installation, so that the application range of the PCB circuit board is enlarged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a circular PCB circuit board of two-sided unleaded hot air solder leveling, includes the outer end connecting plate, the top swing joint all around of outer end connecting plate has the lock button, the fixed dielectric layer of inner wall department fixedly connected with of outer end connecting plate, the reservation guide hole has all been seted up to the outside inside of fixed dielectric layer, the equal fixedly connected with circuit bottom plate in the upper and lower both ends of fixed dielectric layer, the equal fixedly connected with alloy-layer in upper and lower both ends of circuit bottom plate, the inside of department all around of circuit bottom plate has all seted up out the radiating hole, the location shrinkage pool has been seted up in the outside of fixed dielectric layer, the circuit through-hole has been seted up to the inside of fixed dielectric layer, the inside fixedly connected with circuit center plate of circuit bottom plate.

Preferably, the outer end connecting plate is connected with the buckling buttons in a sleeved mode, the number of the buckling buttons is four, and the outer end connecting plate is integrally connected with the fixed dielectric layer.

Preferably, the number of the reserved guide holes is four, the fixed dielectric layer can be in a circular or oval design, and the thickness of the fixed dielectric layer is consistent with that of the outer end connecting plate.

Preferably, the number of the circuit bottom plates is two, the circuit bottom plates are integrally connected with the fixed dielectric layer, and the open radiating holes are respectively penetrated through the circuit bottom plates and the inner parts of the fixed dielectric layer.

Preferably, the alloy-layer is the design of mutual symmetry from top to bottom, the alloy-layer is connected for the laminating with the circuit bottom plate, the location shrinkage pool is sunken design, the quantity that the location shrinkage pool set up is four, and the location shrinkage pool is equidistant design.

Preferably, the circuit through holes are designed equidistantly, and the circuit center boards are electrically connected through the circuit through holes.

Compared with the prior art, the utility model has the beneficial effects that: the double-sided lead-free tin-spraying circular PCB circuit board has the advantages that the outer end connecting plate can improve the connection stability between two circuit boards and ensure that the PCB circuit board keeps normal use effect, meanwhile, the buckling button ensures the stable installation of the circuit board, the reserved guide holes can be internally installed by bolts, the further stable installation of the PCB circuit board is ensured, when in use, the single fixed dielectric layer can be disassembled for installation and use according to needs, the use flexibility of the circuit board is favorably increased, the heat dissipation holes can help the circuit board to dissipate heat, meanwhile, the integrated design can also keep and improve the connection effect of each layer of the circuit board, the connection stability of the PCB circuit board is conveniently improved, the positioning concave holes can be mutually clamped with general connecting electrical appliances, the connection and installation stability of the circuit board is further ensured, and meanwhile, the alloy layers are designed to be symmetrical up and down, also be favorable to the quick transmission of circuit board internal data, the design of circuit through-hole can be with carrying out normal connection between a plurality of panels, has further improved the stable effect of connecting between the panel, and the help improves long when the use of circular PCB circuit board.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a side cross-sectional view of the circuit board of the present invention.

In the figure: 1. an outer end connecting plate; 2. a buckling button; 3. fixing the dielectric layer; 4. reserving a guide hole; 5. a circuit substrate; 6. an alloy layer; 7. opening a heat dissipation hole; 8. positioning concave holes; 9. a line via hole; 10. a wire center board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. 1-4, the present invention provides a technical solution: the utility model provides a circular PCB circuit board of two-sided unleaded hot air solder leveling, including outer end connecting plate 1, top swing joint all around of outer end connecting plate 1 has lock button 2, the fixed dielectric layer 3 of inner wall department fixedly connected with of outer end connecting plate 1, reserve guide hole 4 has all been seted up to fixed dielectric layer 3's outside inside, the equal fixedly connected with circuit bottom plate 5 in upper and lower both ends of fixed dielectric layer 3, the equal fixedly connected with alloy-layer 6 in upper and lower both ends of circuit bottom plate 5, the inside heat dissipation hole 7 of opening has all been seted up all around of circuit bottom plate 5, location shrinkage pool 8 has been seted up in fixed dielectric layer 3's the outside, circuit through-hole 9 has been seted up to fixed dielectric layer 3's inside, circuit center core plate 10 in circuit bottom plate 5's inside fixedly connected with circuit.

In the utility model: the outer end connecting plate 1 is sleeved and connected with the buckling buttons 2, the number of the buckling buttons is four, and the outer end connecting plate 1 is integrally connected with the fixed dielectric layer 3; the outer end connecting plate 1 can improve the stability of connection between two circuit boards, guarantees that this PCB circuit board keeps normal use effect, and the stable installation of this circuit board has been guaranteed to lock button 2 simultaneously.

In the utility model: the number of the reserved guide holes 4 is four, the fixed dielectric layer 3 can be designed in a circular or oval shape, and the thickness of the fixed dielectric layer 3 is consistent with that of the outer end connecting plate 1; the reserved guide hole 4 can be installed by utilizing a bolt, so that the further stable installation of the PCB is ensured, and the independent fixed dielectric layer 3 can be detached to be installed and used according to the requirement when in use, thereby being beneficial to increasing the use flexibility of the PCB.

In the utility model: the number of the circuit bottom plates 5 is two, the circuit bottom plates 5 are integrally connected with the fixed dielectric layer 3, and the open heat radiating holes 7 are respectively penetrated through the circuit bottom plates 5 and the inner parts of the fixed dielectric layer 3; the heat dissipation holes 7 can help the circuit board to dissipate heat, and meanwhile, the integrated design can keep the connection effect of all layers of the circuit board, so that the connection stability of the PCB circuit board is conveniently improved.

In the utility model: the alloy layer 6 is designed to be symmetrical up and down, the alloy layer 6 is connected with the circuit bottom plate 5 in an attaching mode, the positioning concave holes 8 are designed to be concave, the number of the positioning concave holes 8 is four, and the positioning concave holes 8 are designed to be equidistant; the positioning concave hole 8 can be mutually clamped with a general connecting electric appliance, the stability of circuit board connection and installation is further guaranteed, and meanwhile, the design of the upper and lower mutual symmetry of the alloy layer 6 is also favorable for the rapid transmission of data in the circuit board.

In the utility model: the circuit through holes 9 are designed at equal intervals, and the circuit central boards 10 are electrically connected through the circuit through holes 9; the design of circuit through-hole 9 can carry out normal connection between a plurality of panels, has further improved the stable effect of connecting between the panel, and the help improves long when the use of circular PCB circuit board.

The working principle is as follows: before the use, the PCB circuit board is installed, if only one PCB circuit board needs to be installed, the fixing dielectric layer 3 at one end can be quickly disassembled, a bolt penetrates through the inside of the reserved guide hole 4 to fix the PCB circuit board, and the circuit board is normally used after being installed.

In summary, the following steps: the double-sided lead-free tin-spraying circular PCB circuit board has the advantages that the outer end connecting plate 1 can improve the connection stability between two circuit boards and ensure that the PCB circuit board keeps normal use effect, meanwhile, the buckling buttons 2 ensure the stable installation of the circuit board, the reserved guide holes 4 can be installed by bolts, the further stable installation of the PCB circuit board is ensured, when in use, the independent fixed dielectric layer 3 can be disassembled for installation and use according to needs, the use flexibility of the circuit board is increased, the heat dissipation holes 7 can help the circuit board to dissipate heat, meanwhile, the integrated design can also keep and improve the connection effect of each layer of the circuit board, the connection stability of the PCB circuit board is conveniently improved, the positioning concave holes 8 can be mutually clamped with general connecting electrical appliances, the connection and installation stability of the circuit board is further ensured, and meanwhile, the alloy layers 6 are designed to be symmetrical up and down, also be favorable to the quick transmission of circuit board internal data, the design of circuit through-hole 9 can be with carrying out normal connection between a plurality of panels, has further improved the stable effect of connecting between the panel, and the help improves long when the use of circular PCB circuit board.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circular PCB circuit board of two-sided unleaded hot air solder leveling, includes outer end connecting plate (1), its characterized in that: top swing joint all around of outer end connecting plate (1) has lock button (2), the fixed dielectric layer of inner wall department fixedly connected with (3) of outer end connecting plate (1), reserved guide hole (4) have all been seted up to the outside inside of fixed dielectric layer (3), the equal fixedly connected with circuit bottom plate (5) in upper and lower both ends of fixed dielectric layer (3), the equal fixedly connected with alloy-layer (6) in upper and lower both ends of circuit bottom plate (5), locate inside all around of circuit bottom plate (5) and have all seted up radiating hole (7), location shrinkage pool (8) have been seted up in the outside of fixed dielectric layer (3), circuit through-hole (9) have been seted up to the inside of fixed dielectric layer (3), the inside fixedly connected with circuit center plate (10) of circuit bottom plate (5).

2. The double-sided lead-free tin-sprayed circular PCB circuit board of claim 1, wherein: the outer end connecting plate (1) is connected with the buckling buttons (2) in a sleeved mode, the number of the buckling buttons is four, and the outer end connecting plate (1) is connected with the fixed dielectric layer (3) in an integrated mode.

3. The double-sided lead-free tin-sprayed circular PCB circuit board of claim 1, wherein: the number of the reserved guide holes (4) is four, the fixed dielectric layer (3) can be designed in a circular or oval shape, and the thickness of the fixed dielectric layer (3) is consistent with that of the outer end connecting plate (1).

4. The double-sided lead-free tin-sprayed circular PCB circuit board of claim 1, wherein: the number of the circuit bottom plates (5) is two, the circuit bottom plates (5) are integrally connected with the fixed dielectric layer (3), and the open heat radiating holes (7) are respectively penetrated through the circuit bottom plates (5) and the fixed dielectric layer (3).

5. The double-sided lead-free tin-sprayed circular PCB circuit board of claim 1, wherein: alloy-layer (6) are the design of mutual symmetry from top to bottom, alloy-layer (6) are connected for the laminating with circuit bottom plate (5), location shrinkage pool (8) are sunken form design, the quantity that location shrinkage pool (8) set up is four, and location shrinkage pool (8) are equidistant design.

6. The double-sided lead-free tin-sprayed circular PCB circuit board of claim 1, wherein: the circuit through holes (9) are designed equidistantly, and the circuit center plates (10) are electrically connected through the circuit through holes (9).