CN207166864U - A modular circuit board - Google Patents

Abstract

The utility model relates to the technical field of electronics, in particular to a modular circuit board, which comprises a plurality of mainboards, a plurality of frames and a plurality of clamping devices, wherein the mainboards are distributed in a rectangular shape, each mainboard is in a rectangular structure, each mainboard is clamped and matched with one frame, each mainboard is arranged in one frame, each frame comprises a plurality of clamping rods which are connected end to end, each clamping device comprises a first clamping device and a second clamping device, the first clamping device is positioned on the clamping rods of the wide sides of two adjacent frames, the second clamping device is positioned on the clamping rods of the long sides of two adjacent frames, the utility model discloses a clamping connection is carried out between each mainboard through the clamping devices, each mainboard is wrapped by the frames around the edges, the normal loss of the circuit board is reduced, and when the circuit board breaks down, the damaged circuit module can be independently replaced and maintained, the utilization rate is improved and unnecessary waste is reduced.

Description

A modular circuit board

technical field

The utility model relates to the field of electronic technology, in particular to a modularized circuit board.

Background technique

The names of circuit boards are: circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board makes the circuit miniaturized and intuitive, and plays an important role in mass production of fixed circuits and optimizing the layout of electrical appliances. Circuit boards may be referred to as printed wiring boards or printed circuit boards.

Moreover, with the development of electronic products towards miniaturization and digitalization, printed circuit boards are also developing towards high density and high precision. It is basically impossible to use manual inspection methods, and damage to individual circuits and components on the circuit board will lead to the entire The circuit board is completely scrapped, causing waste and reducing resource utilization efficiency.

Utility model content

The purpose of the utility model is to provide a modularized circuit board aiming at the deficiencies of the prior art.

In order to solve the above problems, the utility model provides the following technical solutions:

A modular circuit board, comprising a plurality of main boards, several frames and a plurality of engaging devices, the plurality of main boards are distributed in a rectangular shape, each of the main boards is a rectangular structure, and each of the main boards is connected to a frame Snap fit, each of the main boards is installed in a frame, the frame includes a plurality of snap-in rods connected end to end, the snap-fit device includes a first snap-fit device and a second snap-fit device, the The first engaging device is located on the engaging rods of two adjacent wide sides of the frame, and the second engaging device is located on the engaging rods of two adjacent long sides of the frame.

Further, the multiple main boards include a first main board, a second main board, a third main board and a fourth main board, the first main board and the second main board are arranged side by side along the length direction of the main board, the first main board and the second main board The three main boards are arranged side by side along the width direction of the main board, and the second main board and the fourth main board are arranged side by side along the width direction of the main board.

Further, the wide-side clamping rod on the first main board close to one end of the second main board is the first clamping rod, and the wide-side clamping rod on the second main board close to the first main board is the second clamping rod, The long-side clamping rod of the first main board close to the third main board is a third clamping rod, and the long-side clamping rod of the third main board close to the first main board is a fourth clamping rod.

Further, the wide-side clamping rod on the third main board close to one end of the fourth main board is the fifth clamping rod, and the wide-side clamping rod on the fourth main board close to the third main board is the sixth clamping rod, The long-side clamping rod of the second main board close to the fourth main board is the seventh clamping rod, and the long-side clamping rod of the fourth main board close to the second main board is the eighth clamping rod.

Further, the first engaging device includes a first socket part and a first insertion part, the first socket part is fixedly arranged on the first snap-in rod, and the first insertion part is fixedly arranged on the second On the clamping rod, the fifth clamping rod and the sixth clamping rod are symmetrically provided with a first socket portion and a first insertion portion.

Further, the second engaging device includes a second socket part and a second insertion part, the second socket part is fixedly arranged on the third locking rod, and the second insertion part is fixedly arranged on the fourth On the clamping rod, the seventh clamping rod and the eighth clamping rod are symmetrically provided with a second socket portion and a second insertion portion.

Further, the first socket part includes a circular groove arranged inside the socket part, the bottom of the circular groove is provided with a spring vertically downward, the bottom end of the spring is provided with a ball, and the first The insertion part includes a groove corresponding to the sphere, and the first insertion part and the first receiving part are snap-fitted.

Further, the second socket part is provided with a housing chamber open to the outside, and an annular groove is provided in the housing chamber, and the second socket part is provided with a rubber rubber for snap-fitting with the ring groove. lock up.

Further, the first main board is provided with a heat sink, the second main board is provided with a digital signal processor and a chip, and the third main board and the fourth main board are respectively provided with various connection terminals.

Further, the sphere is made of rubber.

Beneficial effects: a modular circuit board of the utility model, the circuit board includes a plurality of detachable circuit module main boards, each main board is clamped by a locking device, and each main board is surrounded by a frame Wrapping reduces the normal loss of the circuit board and improves the service life of the circuit board. When the circuit board fails, the damaged circuit module can be replaced and repaired separately, which improves the utilization rate and reduces unnecessary waste.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is a partial view along the A-A line sectional view in Fig. 2;

Fig. 4 is a partial view along the B-B line sectional view in Fig. 2;

Fig. 5 is the assembly structure schematic diagram of the present utility model;

Fig. 6 is the enlarged view of place A in Fig. 5;

Explanation of reference numerals: main board 1, first main board 1a, second main board 1b, third main board 1c, fourth main board 1d, frame 2, clamping rod 2a, first clamping rod 2a1, second clamping rod 2a2, The third clamping rod 2a3, the fourth clamping rod 2a4, the fifth clamping rod 2a5, the sixth clamping rod 2a6, the seventh clamping rod 2a7, the eighth clamping rod 2a8, the engaging device 3, the first clamping rod The joint device 4, the first socket part 4a, the spring 4a1, the first insertion part 4b, the second engagement device 5, the second socket part 5a, the rubber ring 5a1, and the second insertion part 5b.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, the specific embodiment of the utility model is described in further detail:

Referring to a modular circuit board shown in Figures 1 to 6, it includes a plurality of main boards 1, several frames 2 and a plurality of engaging devices 3, the plurality of main boards 1 are distributed in a rectangular shape, and each of the main boards 1 All are rectangular structures, each of the main boards 1 is clamped and fitted with a frame 2, each of the main boards 1 is installed in a frame 2, and the frame 2 includes a plurality of snap-in rods 2a connected end to end, The engaging device 3 includes a first engaging device 4 and a second engaging device 5, the first engaging device 4 is located on the engaging rods 2a on the wide sides of two adjacent frames 2, and the second engaging device The coupling device 5 is located on the clamping rods 2a on the long sides of the two adjacent frames 2, which facilitates the maintenance and replacement of the damaged main board 1.

The plurality of main boards 1 include a first main board 1a, a second main board 1b, a third main board 1c and a fourth main board 1d, and the first main board 1a and the second main board 1b are arranged side by side along the length direction of the main board 1, and the The first main board 1a and the third main board 1c are arranged side by side along the width direction of the main board 1, and the second main board 1b and the fourth main board 1d are arranged side by side along the width direction of the main board 1, and each main board 1 is installed in order, so that The installation between each mainboard 1 is more stable and stable.

The wide-side clamping rod 2a on the first main board 1a close to the end of the second main board 1b is the first clamping rod 2a1, and the wide-side clamping rod 2a close to the first main board 1a on the second main board 1b is the second clamping rod 2a. The clamping rod 2a2, the long-side clamping rod 2a of the first main board 1a close to the third main board 1c is the third clamping rod 2a3, the long-side clamping rod 2a of the third main board 1c close to the first main board 1a is The fourth clamping rod 2a4, the use of multiple connecting rods makes the structure of the whole frame 2 more stable and improves the service life of the main board 1 .

The wide-side clamping rod 2a on the third main board 1c close to the end of the fourth main board 1d is the fifth clamping rod 2a5, and the wide-side clamping rod 2a close to the third main board 1c on the fourth main board 1d is the sixth The clamping rod 2a6, the long-side clamping rod 2a of the second main board 1b close to the fourth main board 1d is the seventh clamping rod 2a7, the long-side clamping rod 2a of the fourth main board 1d close to the second main board 1b is The eighth clamping rod 2a8 improves the splicing stability of the entire motherboard 1 module.

The first engaging device 4 includes a first socket part 4a and a first insertion part 4b, the first socket part 4a is fixedly arranged on the first snap-in rod 2a1, and the first insertion part 4b is fixedly arranged On the second clamping rod 2a2, the fifth clamping rod 2a5 and the sixth clamping rod 2a6 are symmetrically provided with a first socket part 4a and a first insertion part 4b, which facilitates the disassembly of the frame 2, so that the later The maintenance and replacement of the main board 1 provide convenience.

The second engaging device 5 includes a second socket portion 5a and a second insertion portion 5b, the second socket portion 5a is fixedly arranged on the third engaging rod 2a3, and the second insertion portion 5b is fixedly arranged On the fourth clamping rod 2a4, the seventh clamping rod 2a7 and the eighth clamping rod 2a8 are symmetrically provided with a second socket part 5a and a second insertion part 5b, so that the main board 1 can be repaired and replaced later. Convenience is provided.

The first socket part 4a includes a circular groove arranged inside the socket part, the bottom of the circular groove is provided with a vertically downward spring 4a1, the bottom end of the spring 4a1 is provided with a ball, and the first The insertion part 4b includes a groove corresponding to the sphere, and the first insertion part 4b and the first receiving part snap fit, which facilitates the disassembly of the first main board 1a and the second main board 1b, and facilitates the disassembly of the third main board 1c and the second main board 1c. 4. Disassembly of motherboard 1d.

The second socket part 5a is provided with an open-out receiving cavity, and an annular groove is arranged in the containing cavity, and the second socket part 5a is provided with a rubber ring for snap-fitting with the annular groove 5a1, which facilitates the disassembly of the first main board 1a and the third main board 1c, and facilitates the disassembly of the second main board 1b and the fourth main board 1d.

The first main board 1a is provided with a heat sink, the second main board 1b is provided with a digital signal processor and a chip, and the third main board 1c and the fourth main board 1d are respectively provided with various connection terminals.

The sphere is made of rubber.

The above is only a preferred embodiment of the present utility model, and does not make any limitation to the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the present utility model.

Claims (10)

1. A kind of 1. modular circuit board, it is characterised in that：Including polylith mainboard (1), several frameworks (2) and multiple clamping close devices (3), mainboard described in polylith (1) rectangular distribution, every piece of mainboard (1) are rectangular configuration, every piece of mainboard (1) with One framework (2) is engaged by clamping, and each mainboard (1) is installed in a framework (2), and the framework (2) includes more End to end clamping bar (2a), the clamping close device (3) includes the first clamping close device (4) and the second clamping close device (5), described First clamping close device (4) is located on the clamping bar (2a) of two neighboring framework (2) broadside, and second clamping close device (5) is located at On the clamping bar (2a) of two neighboring framework (2) long side.
2. A kind of 2. modular circuit board according to claim 1, it is characterised in that：Mainboard described in polylith (1) includes first Mainboard (1a), the second mainboard (1b), the 3rd mainboard (1c) and the 4th mainboard (1d), first mainboard (1a) and the second mainboard The length direction of (1b) along mainboard (1) is set up in parallel, and first mainboard (1a) and the 3rd mainboard (1c) are along mainboard (1) Width is set up in parallel, and the width of second mainboard (1b) and the 4th mainboard (1d) along mainboard (1) is set up in parallel.
3. A kind of 3. modular circuit board according to claim 2, it is characterised in that：Close to the on first mainboard (1a) The broadside clamping bar (2a) of two mainboards (1b) one end is the first clamping bar (2a1), is led on second mainboard (1b) close to first The broadside clamping bar (2a) of plate (1a) is the first clamping bar (2a1), length of first mainboard (1a) close to the 3rd mainboard (1c) Checkpost extension bar (2a) is the 3rd clamping bar (2a3), long side clamping bar of the 3rd mainboard (1c) close to the first mainboard (1a) (2a) is the 4th clamping bar (2a4).
4. A kind of 4. modular circuit board according to claim 3, it is characterised in that：Close to the on 3rd mainboard (1c) The broadside clamping bar (2a) of four mainboards (1d) one end is the 5th clamping bar (2a5), is led on the 4th mainboard (1d) close to the 3rd The broadside clamping bar (2a) of plate (1c) is the 6th clamping bar (2a6), length of second mainboard (1b) close to the 4th mainboard (1d) Checkpost extension bar (2a) is the 7th clamping bar (2a7), long side clamping bar of the 4th mainboard (1d) close to the second mainboard (1b) (2a) is the 8th clamping bar (2a8).
5. A kind of 5. modular circuit board according to claim 4, it is characterised in that：First clamping close device (4) includes First female part (4a) and the first insertion section (4b), first female part (4a) are fixedly installed on the first clamping bar (2a1), First insertion section (4b) is fixedly installed on the second clamping bar (2a2), the 5th clamping bar (2a5) and the 6th clamping bar The first female part (4a) and the first insertion section (4b) are arranged with (2a6).
6. A kind of 6. modular circuit board according to claim 4, it is characterised in that：Second clamping close device (5) includes Second female part (5a) and the second insertion section (5b), second female part (5a) are fixedly installed on the 3rd clamping bar (2a3), Second insertion section (5b) is fixedly installed on the 4th clamping bar (2a4), the 7th clamping bar (2a7) and the 8th clamping bar The second female part (5a) and the second insertion section (5b) are arranged with (2a8).
7. A kind of 7. modular circuit board according to claim 5, it is characterised in that：First female part (4a) includes setting The circular groove inside female part is put, the bottom of the circular groove is provided with spring (4a1) straight down, the bottom of the spring (4a1) End is provided with spheroid, and first insertion section (4b) includes corresponding to the groove of spheroid setting, first insertion section (4b) and the One carrier is engaged by clamping.
8. A kind of 8. modular circuit board according to claim 6, it is characterised in that：Second female part (5a) is provided with spacious Mouthful outside accommodating chamber, is provided with annular groove in the accommodating chamber, and second female part (5a) is provided with being used for and annular groove The rubber ring (5a1) of clamping engagement.
9. A kind of 9. modular circuit board according to claim 2, it is characterised in that：First mainboard (1a), which is provided with, to be dissipated Backing, second mainboard (1b) are provided with digital signal processor and chip, the 3rd mainboard (1c) and the 4th mainboard A variety of binding posts are respectively equipped with (1d).
10. A kind of 10. modular circuit board according to claim 7, it is characterised in that：The spheroid is made up of rubber.