CN213126851U

CN213126851U - Double-sided PCB circuit board structure of multilayer high density

Info

Publication number: CN213126851U
Application number: CN202021851905.7U
Authority: CN
Inventors: 雷雨霜
Original assignee: Individual
Current assignee: Chen Jie
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a two-sided PCB circuit board structure of multilayer high density, including regulating plate and connecting plate, regulating plate one end fixedly connected with limiting plate, limiting plate one side is connected with the spring, wherein, spring outer wall is connected with the shrink post, shrink post outer wall one end fixedly connected with crossbeam, crossbeam one side is connected with the mount pad, the inside swing joint of mount pad has the circuit board, connecting plate top fixedly connected with shrink post, the draw-in groove has been seted up on the connecting plate surface, the inside swing joint of draw-in groove has the fixture block, fixture block one side fixedly connected with spliced pole. This two-sided PCB circuit board structure of multilayer high density, during installing the circuit board into the mount pad, gradually loosen the crossbeam, the shrink post of adjusting plate both sides is close to each other under the effect of spring, alright fix the circuit board among the mount pad like this to it is very convenient to make the fixed mode of circuit board become.

Description

Double-sided PCB circuit board structure of multilayer high density

Technical Field

The utility model relates to an electrical accessories technical field specifically is a two-sided PCB circuit board structure of multilayer high density.

Background

The circuit board is also called a flexible circuit board or a flexible circuit board, and is a circuit board made of polyimide. The circuit board has the characteristics of high wiring density, light weight, thin thickness and good bending property. Circuit boards can be largely classified into three categories: the single panel is characterized in that parts are concentrated on one surface, and the wires are concentrated on the other surface, so that the single panel is called as a single panel; double-sided board: the circuit board has wiring on both sides, and is more suitable for being used on a circuit which is more complicated than a single panel; multilayer board: for use in more complex applications, the layers may be arranged in a multi-layer circuit structure and pressed together, with vias between the layers being formed to connect to the layers.

The current multilayer high-density double-sided PCB circuit board structure has the following problems in the using process: the multilayer high-density double-sided PCB circuit board structure used at present can only be mounted on a circuit board with a corresponding size during mounting because the subject part of the circuit board structure is fixed during mounting, and relative size errors are very tight, so that the mounting and fixing of the circuit board become very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided PCB circuit board structure of multilayer high density to solve the two-sided PCB circuit board structure of multilayer high density of present use that above-mentioned background art provided because its theme position is fixed when the installation, consequently can only carry out the circuit board that corresponds the size when the installation and install, and relative dimensional error is very inseparable, therefore the fixed very inconvenient problem that becomes of installation of circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: a multilayer high-density double-sided PCB circuit board structure comprises an adjusting plate and a connecting plate, wherein one end of the adjusting plate is fixedly connected with a limiting plate, one side of the limiting plate is connected with a spring, wherein,

the outer wall of the spring is connected with a shrinkage column, one end of the outer wall of the shrinkage column is fixedly connected with a cross beam, one side of the cross beam is connected with an installation seat, a circuit board is movably connected in the installation seat, the top of the connecting plate is fixedly connected with the shrinkage column, the surface of the connecting plate is provided with a clamping groove, and a clamping block is movably connected in the clamping groove;

the fixture block is characterized in that a connecting column is fixedly connected to one side of the fixture block, a linkage column is movably connected to the inside of the connecting column, a nut is fixedly connected to one end of the linkage column, a screw is movably connected to the inside of the nut, a turntable is fixedly connected to one end, far away from the nut, of the screw, and a butt plate is movably connected to the outer wall of the turntable.

Preferably, the two groups of beams are arranged, the two groups of beams are parallel to each other, two ends of each group of beams are respectively and vertically connected with a shrinkage column, and an adjusting plate is connected between two longitudinally opposite shrinkage columns.

Preferably, the inside hollow structure that is of shrink post, and shrink post outer wall and limiting plate and spring outer wall are tangent to be elastic telescopic structure between regulating plate, limiting plate, spring and the shrink post.

Preferably, the mounting seat is of a U-shaped structure, the internal size of a notch of the mounting seat is matched with the size of the circuit board, the mounting seat is arranged at the joint of each shrinkage column and the cross beam, and the mounting seat is connected with the circuit board in a clamping manner.

Preferably, the inside "T" shape structure that is of draw-in groove, and the inside size of draw-in groove slightly is less than the fixture block size, is interference connection between draw-in groove and the fixture block to fixture block and spliced pole junction contained angle are mutually perpendicular.

Preferably, the inside of the connecting column is of a hollow structure, the transverse vertical length between the largest inner walls of the hollow area of the connecting column is greater than the vertical length between the inner walls of the opening end of the connecting column, and the transverse vertical size between the largest inner walls of the connecting column is matched with the size of the linkage column.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this two-sided PCB circuit board structure of multilayer high density's shrink post is inside to be hollow structure, with the crossbeam to both sides pulling, makes the crossbeam drive the shrink post that corresponds and remove to both sides, then with the circuit board installation in the mount pad, gradually loosen the crossbeam, the shrink post of regulating plate both sides is close to each other under the effect of spring, alright like this with fix the circuit board among the mount pad to the fixed mode that makes the circuit board becomes very convenient.

2. The clamping groove and the clamping block of the multilayer high-density double-sided PCB circuit board structure are in interference connection, the clamping block at the top of the connecting column is connected with the clamping groove during installation, the connecting column, the connecting plate and the shrinkage column are connected into an integrated mode, and the screw at the bottom of the connecting column and the other shrinkage column at the bottom of the screw form an integrated structure with the shrinkage column at the upper end, so that the installation mode of the multilayer high-density double-sided PCB circuit board structure is more convenient.

3. For threaded connection between the nut of this two-sided PCB circuit board structure of multilayer high density and the screw rod, rotate the nut, the screw rod can be through the inside rebound of nut to inside getting into the spliced pole, making the clearance between two shrink posts will diminish, like this alright adjust according to the clearance of in-service use demand between two shrink posts when using.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the nut connection structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the retractable column of the present invention;

fig. 4 is a schematic view of the side partial structure of the shrinkage column of the present invention.

In the figure: 1. an adjusting plate; 2. a limiting plate; 3. a spring; 4. a contracting column; 5. a cross beam; 6. a mounting seat; 7. a circuit board; 8. a connecting plate; 9. a card slot; 10. a clamping block; 11. connecting columns; 12. a linkage column; 13. a nut; 14. a screw; 15. a turntable; 16. and (7) butting plates.

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 multilayer high-density double-sided PCB circuit board structure comprises an adjusting plate 1, a limiting plate 2, a spring 3, a shrinkage column 4, a beam 5, a mounting seat 6, a circuit board 7, a connecting plate 8, a clamping groove 9, a clamping block 10, a connecting column 11, a linkage column 12, a nut 13, a screw 14, a turntable 15 and a butt plate 16, wherein one end of the adjusting plate 1 is fixedly connected with the limiting plate 2, one side of the limiting plate 2 is connected with the spring 3, wherein,

the outer wall of the spring 3 is connected with a shrinkage column 4, the interior of the shrinkage column 4 is of a hollow structure, the outer wall of the shrinkage column 4 is tangent to the outer wall of the limiting plate 2 and the outer wall of the spring 3, the adjusting plate 1, the limiting plate 2, the spring 3 and the shrinkage column 4 are of an elastic telescopic structure, the spring 3 enables the shrinkage columns 4 on two sides of the adjusting plate 1 to be close to each other by utilizing the elastic action, so that a circuit board 7 can be fixed in the mounting seat 6, one end of the outer wall of the shrinkage column 4 is fixedly connected with a cross beam 5, the cross beams 5 are provided with two groups, the two groups of cross beams 5 are parallel to each other, two ends of each group of cross beams 5 are respectively and vertically connected with one shrinkage column 4, the adjusting plate 1 is connected between two shrinkage columns 4 which are longitudinally opposite, one side of each cross beam 5 is connected with a mounting seat, a mounting seat 6 is arranged at the joint of each shrinkage column 4 and each beam 5, the mounting seats 6 are connected with the circuit board 7 in a clamping manner, the beams 5 are pulled towards two sides, so that the beams 5 can drive the corresponding shrinkage columns 4 to move towards two sides, the circuit board 7 is movably connected in the mounting seats 6, the shrinkage columns 4 are fixedly connected to the top of the connecting plate 8, clamping grooves 9 are formed in the surface of the connecting plate 8, the inside of each clamping groove 9 is of a T-shaped structure, the size of the inside of each clamping groove 9 is slightly smaller than that of each clamping block 10, the clamping grooves 9 and the clamping blocks 10 are in interference connection, included angles of the joints of the clamping blocks 10 and the connecting columns 11 are perpendicular to each other, the clamping blocks 10 at the tops of the connecting columns 11 are connected with the clamping grooves 9, the connecting columns 11, the connecting plates 8 and the shrinkage columns;

fixture block 10 one side fixedly connected with spliced pole 11, the inside hollow structure that is of spliced pole 11, and horizontal vertical length is greater than vertical length between the spliced pole 11 open end inner wall between the biggest inner wall of spliced pole 11 hollow region to horizontal vertical dimension and linkage post 12 size phase-match between the spliced pole 11 biggest inner wall, when rotating nut 13 like this, screw 14 can pass through the inside rebound of nut 13, thereby get into inside the spliced pole 11, the inside swing joint of spliced pole 11 has

linkage post

12, 12 one end fixedly connected with nuts 13 of linkage post, the inside swing joint of nut 13 has screw 14, screw 14 keeps away from the one end fixedly connected with carousel 15 of

nut

13, 15 outer wall swing joint of carousel has dock board 16.

The working principle is as follows: in the multilayer high-density double-sided PCB circuit board structure, firstly, the inside of each shrinkage column 4 is of a hollow structure, the cross beam 5 is pulled towards two sides, the cross beam 5 drives the corresponding shrinkage column 4 to move towards two sides, then the circuit board 7 is installed in the installation seat 6, the cross beam 5 is gradually loosened, the shrinkage columns 4 on two sides of the adjusting plate 1 are mutually close under the action of the spring 3, so that the circuit board 7 can be fixed in the installation seat 6, the fixing mode of the circuit board 7 is very convenient, the clamping groove 9 and the clamping block 10 of the structure are in interference connection, the clamping block 10 at the top of the connecting column 11 is connected with the clamping groove 9 during installation, the connecting column 11, the connecting plate 8 and the shrinkage columns 4 are connected into an integrated mode, and thus the screw 14 at the bottom of the connecting column 11 and the other shrinkage column 4 at the bottom of the screw 14 form an integrated structure with the shrinkage column 4 at the upper end, so that, in addition, the nut 13 and the screw 14 are in threaded connection, the screw 14 moves upwards through the nut 13 when the nut 13 is rotated, and then enters the connecting column 11, so that the gap between the two shrinkage columns 4 is reduced, and the gap between the two shrinkage columns 4 can be adjusted according to actual use requirements when the connector is used, which is the characteristic of a multi-layer high-density double-sided PCB circuit board structure.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two-sided PCB circuit board structure of multilayer high density, includes regulating plate (1) and connecting plate (8), its characterized in that: one end of the adjusting plate (1) is fixedly connected with a limiting plate (2), one side of the limiting plate (2) is connected with a spring (3), wherein,

the outer wall of the spring (3) is connected with a shrinkage column (4), one end of the outer wall of the shrinkage column (4) is fixedly connected with a cross beam (5), one side of the cross beam (5) is connected with a mounting seat (6), a circuit board (7) is movably connected in the mounting seat (6), the top of the connecting plate (8) is fixedly connected with the shrinkage column (4), a clamping groove (9) is formed in the surface of the connecting plate (8), and a clamping block (10) is movably connected in the clamping groove (9);

fixture block (10) one side fixedly connected with spliced pole (11), the inside swing joint of spliced pole (11) has linkage post (12), linkage post (12) one end fixedly connected with nut (13), the inside swing joint of nut (13) has screw rod (14), the one end fixedly connected with carousel (15) of nut (13) are kept away from in screw rod (14), carousel (15) outer wall swing joint has butt plate (16).

2. A multi-layer high-density double-sided PCB circuit board structure as claimed in claim 1, wherein: the beam (5) is provided with two groups, the two groups of beams (5) are parallel to each other, two ends of each group of beams (5) are respectively and vertically connected with one shrinkage column (4), and an adjusting plate (1) is connected between the two shrinkage columns (4) which are longitudinally opposite.

3. A multi-layer high-density double-sided PCB circuit board structure as claimed in claim 1, wherein: the telescopic type telescopic device is characterized in that the inside of the contraction column (4) is of a hollow structure, the outer wall of the contraction column (4) is tangent to the outer walls of the limiting plates (2) and the springs (3), and an elastic telescopic structure is arranged among the adjusting plate (1), the limiting plates (2), the springs (3) and the contraction column (4).

4. A multi-layer high-density double-sided PCB circuit board structure as claimed in claim 1, wherein: the mounting seat (6) is of a U-shaped structure, the internal size of a notch of the mounting seat (6) is matched with the size of the circuit board (7), the mounting seat (6) is arranged at the joint of each shrinkage column (4) and the cross beam (5), and the mounting seat (6) is connected with the circuit board (7) in a clamping manner.

5. A multi-layer high-density double-sided PCB circuit board structure as claimed in claim 1, wherein: the inside "T" shape structure that is of draw-in groove (9), and draw-in groove (9) inside size slightly is less than fixture block (10) size, is interference connection between draw-in groove (9) and fixture block (10) to fixture block (10) and spliced pole (11) junction contained angle are mutually perpendicular.

6. A multi-layer high-density double-sided PCB circuit board structure as claimed in claim 1, wherein: the interior of the connecting column (11) is of a hollow structure, the transverse vertical length between the largest inner walls of the hollow area of the connecting column (11) is greater than the transverse length between the inner walls of the opening end of the connecting column (11), and the transverse vertical size between the largest inner walls of the connecting column (11) is matched with the size of the linkage column (12).