CN215453388U

CN215453388U - Circuit board with blind via hole

Info

Publication number: CN215453388U
Application number: CN202121519631.6U
Authority: CN
Inventors: 林茂振
Original assignee: Zhuhai Yongluan Electronics Co ltd
Current assignee: Zhuhai Yongluan Electronics Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-01-07
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a circuit board with blind via holes, which comprises a circuit board, wherein the outer wall of the circuit board is movably sleeved with a positioning frame, the two sides of the positioning frame are symmetrically and fixedly connected with rectangular frames, the inner cavities of the two rectangular frames positioned at the same side position of the positioning frame are provided with moving components, each moving component consists of a threaded rod, the two end parts of each threaded rod are respectively and rotatably inserted and connected with the inner cavities of the two rectangular frames, one side of each inner cavity of the two rectangular frames is provided with a sliding groove, the inner cavities of the two sliding grooves are respectively and slidably connected with a sliding column, one end of each sliding column is fixedly connected with a rotating sleeve, and the middle parts of the two rotating sleeves are respectively and threadedly connected with the outer walls of the two ends of the threaded rod. According to the utility model, the sliding column slides in the sliding groove by applying force to the threaded rod, so that the circuit board is further driven to horizontally move, an operator can conveniently adjust the position in the horizontal direction after installing the circuit board, and the circuit board installation efficiency is improved.

Description

Circuit board with blind via hole

Technical Field

The utility model relates to the field of circuit boards, in particular to a circuit board with blind via holes.

Background

The blind via hole is a via hole type for connecting the PCB inner layer wire and the PCB surface layer wire, the hole does not penetrate through the whole board, the hole is buried, the buried hole is only connected with the via hole type of the wire between the inner layers, so that the blind via hole can not be seen from the surface of the PCB, the blind via hole is used for connecting wires between different board layers, and the inner sides of the via holes are generally communicated by soldering tin and used for inserting pins of elements;

the traditional circuit board is usually through having seted up a plurality of mounting holes on the circuit board top, and through placing the circuit board in panel department, be connected through a plurality of screws and corresponding position mounting hole at last, install the circuit board on the panel, take place horizontal position's deviation at the mounted position after, still need dismantle the screw again, then readjust circuit board position, being connected through screw and mounting hole, go the circuit board location, this kind of circuit board locate mode of current, the adjustment step after the circuit board installation is too loaded down with trivial details, reduce circuit board installation effectiveness.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a circuit board with blind via holes to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a circuit board with blind via holes comprises a circuit board, wherein a positioning frame is movably sleeved on the outer wall of the circuit board, rectangular frames are symmetrically and fixedly connected to two sides of the positioning frame, and moving assemblies are arranged in inner cavities of the two rectangular frames located at the same side of the positioning frame;

the movable assembly comprises a threaded rod, the two end portions of the threaded rod are respectively connected with the inner cavities of the two rectangular frames in a rotating and alternating mode, a sliding groove, a sliding column and a rotating sleeve are formed in one side of the inner cavity of each rectangular frame, the sliding groove is formed in the inner cavity of the sliding groove, the sliding column and the sliding sleeve are connected with each other in a sliding mode, the rotating sleeve is fixedly connected with one end of each sliding column, and the rotating sleeve is connected with the outer wall of the two ends of the threaded rod in a threaded mode.

Preferably, two equal fixedly connected with mounting panel in one side of rectangle frame, two first mounting hole has all been seted up to the equal symmetry in top of mounting panel, two the second mounting hole has all been seted up to one side of first mounting hole inner chamber.

Preferably, one side of the circuit board is symmetrically and fixedly connected with plug boards, slots are symmetrically formed in one side of the inner cavity of the positioning frame, the outer walls of the two plug boards are movably plugged with the inner cavities of the two slots respectively, and limiting assemblies are symmetrically arranged on the other side of the inner cavity of the positioning frame.

Preferably, spacing subassembly includes the fixed block, fixed block fixed connection is in the inner chamber of posting, one side of fixed block is rotated and is alternated and be connected with the dwang, the one end of dwang is rotated and is alternated with the avris in posting inner chamber and is connected, the fixed cover in middle part of dwang is equipped with solid fixed ring, solid fixed ring's one side fixedly connected with plush copper extrusion post, the fixed cover in one end of plush copper extrusion post has connect the rubber packing ring, the laminating of rubber packing ring sets up in the opposite side position of circuit board.

Preferably, the outer wall of dwang and be located the activity of solid fixed ring one side position department and cup jointed U type latch segment, the middle part activity joint of U type latch segment has the inserted block, inserted block fixed connection is in the outer wall of dwang, the movable joint of one end of U type latch segment is in the opposite side position of locating frame inner chamber.

Preferably, two the equal fixedly connected with rubber gasket in bottom of slot inner chamber, two the rubber gasket is laminated respectively and is set up in the bottom of two plugboards, two the impartial interval fixedly connected with a plurality of spacing lugs in top of slot inner chamber, two the impartial interval in top of plugboard is equipped with a plurality of spacing draw-in grooves, the relative position spacing lug sliding joint in the inner chamber of spacing draw-in groove.

The utility model has the technical effects and advantages that:

(1) according to the utility model, through the circuit board, the positioning frame, the threaded rod, the rectangular frame, the sliding groove, the sliding column and the rotating sleeve, the acting force of the threaded rod is given to enable the sliding column to slide in the sliding groove, so that the circuit board is further driven to horizontally move, an operator can conveniently adjust the position in the horizontal direction after the circuit board is installed, and the installation efficiency of the circuit board is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the enlarged structure at the position B of fig. 1 according to the present invention.

FIG. 4 is a schematic view of a portion of the structure of FIG. 1 at C according to the present invention.

FIG. 5 is a schematic view of a top view of a positioning frame in partial section.

In the figure: 1. a circuit board; 2. a positioning frame; 3. a rectangular frame; 4. a sliding groove; 5. a sliding post; 6. a threaded rod; 7. rotating the sleeve; 8. mounting a plate; 9. a first mounting hole; 10. rotating the rod; 11. a U-shaped locking block; 12. inserting a block; 13. a fixing ring; 14. extruding the column by the convex head; 15. a fixed block; 16. a plugboard; 17. a slot; 18. a limiting bump; 19. a rubber gasket; 20. a limiting clamping groove; 21. a rubber gasket.

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.

The utility model provides a circuit board with blind via holes as shown in figures 1-5, which comprises a circuit board 1, wherein four blind via holes are symmetrically formed at the top end of the circuit board 1, a positioning frame 2 is movably sleeved on the outer wall of the circuit board 1, rectangular frames 3 are symmetrically and fixedly connected to both sides of the positioning frame 2, moving components are arranged in the inner cavities of the two rectangular frames 3 positioned at the same side of the positioning frame 2, each moving component comprises a threaded rod 6, two end parts of the threaded rod 6 are respectively rotatably and alternately connected with the inner cavities of the two rectangular frames 3, sliding grooves 4 are formed in one sides of the inner cavities of the two rectangular frames 3, sliding columns 5 are respectively and slidably connected to the inner cavities of the two sliding grooves 4, one ends of the two sliding columns 5 are respectively and fixedly connected with rotating sleeves 7, and the middle parts of the two rotating sleeves 7 are respectively in threaded connection with the outer walls of both ends of the threaded rod 6;

the positioning device comprises two rectangular frames 3, mounting plates 8, inserting plates 16, inserting slots 17, limiting assemblies and a positioning frame 2, wherein the mounting plates 8 are fixedly connected to one sides of the two rectangular frames 3, the first mounting holes 9 are symmetrically formed in the top ends of the two mounting plates 8, the second mounting holes are formed in one sides of the inner cavities of the two first mounting holes 9, the inserting plates 16 are symmetrically and fixedly connected to one side of a circuit board 1, the inserting slots 17 are symmetrically formed in one side of the inner cavity of the positioning frame 2, the outer walls of the two inserting plates 16 are movably inserted into the inner cavities of the two inserting slots 17 respectively, the positioning capability of one side of the circuit board 1 is improved through the inserting relation between the inserting plates 16 and the inserting slots 17, and the limiting assemblies are symmetrically arranged on the other side of the inner cavity of the positioning frame 2;

the limiting component comprises a fixed block 15, the fixed block 15 is fixedly connected with the inner cavity of the positioning frame 2, one side of the fixed block 15 is rotatably and alternately connected with a rotating rod 10, one end of the rotating rod 10 is rotatably and alternately connected with the side of the inner cavity of the positioning frame 2, the middle part of the rotating rod 10 is fixedly sleeved with a fixed ring 13, one side of the fixed ring 13 is fixedly connected with a raised head extrusion column 14, one end of the raised head extrusion column 14 is fixedly sleeved with a rubber gasket 21, the rubber gasket 21 is attached to the other side of the circuit board 1, the outer wall of the rotating rod 10 and the position on one side of the fixed ring 13 are movably sleeved with a U-shaped locking block 11, the middle part of the U-shaped locking block 11 is movably clamped with an insertion block 12, the insertion block 12 is fixedly connected with the outer wall of the rotating rod 10, one end of the raised head extrusion column 14 extrudes the other side of the circuit board 1 and is matched with the insertion function of the insertion plate 16 and the insertion slot 17 on one side of the circuit board 1, the circuit board 1 can be extruded and positioned at the inner wall of the positioning frame 2, the convenience of positioning the circuit board 1 is improved, one end of the U-shaped locking block 11 is movably clamped at the other side position of the inner cavity of the positioning frame 2, when the circuit board 1 needs to be disassembled, one end of the U-shaped locking block 11 can be separated from the clamping action with the positioning frame 2 by the acting force given to one end of the U-shaped locking block 11, the relative limit between the U-shaped locking block 11 and the positioning frame 2 is released, the raised head extrusion column 14 acting force is further given, the rotating rod 10 is driven to rotate at the fixed block 15, one end of the raised head extrusion column 14 is separated from the other side position of the circuit board 1, the circuit board 1 is removed from being extruded, at the moment, the plugging board 16 is separated from the inner cavity of the slot 17 by the force given to the circuit board 1 to move towards the rotating rod 10 direction, the circuit board 1 is given vertical acting force, and the circuit board 1 can be disassembled, wherein, through the clamping connection between the plug block 12 and the middle part of the U-shaped locking block 11, when one end of the U-shaped locking block 11 is relatively limited with the positioning frame 2, the U-shaped locking block 11 can axially position the rotating rod 10, thereby improving the extrusion positioning capability of the rotating rod 10 on the other side of the circuit board 1, the bottom ends of the inner cavities of the two slots 17 are fixedly connected with rubber gaskets 19, the two rubber gaskets 19 are respectively attached to the bottom ends of the two plug boards 16, the top ends of the inner cavities of the two slots 17 are fixedly connected with a plurality of limiting lugs 18 at equal intervals, the top ends of the two plug boards 16 are provided with a plurality of limiting clamping grooves 20 at equal intervals, the limiting lugs 18 at opposite positions are slidably clamped in the inner cavities of the limiting clamping grooves 20, through the clamping connection between the limiting lugs 18 and the limiting clamping grooves 20, the relative limiting capability between the plug boards 16 and the slots 17 is improved, so that the plug boards 16 can not slide in the inner cavities of the slots 17, the stability of the circuit board 1 after installation is improved.

The working principle of the utility model is as follows: an operator can firstly install the positioning frame 2 at the panel through the four installation plates 8, and further when the horizontal direction position of the circuit board 1 positioned in the positioning frame 2 needs to be adjusted, the two ends of the two threaded rods 6 can rotate in the rectangular frames 3 at the corresponding positions by applying acting force to the two threaded rods 6, the rotating sleeves 7 at the corresponding positions are further driven to rotate on the outer walls of the threaded rods 6, and under the sliding connection action of the sliding columns 5 and the sliding grooves 4, the rotating sleeve 7 is limited, so that the rotating sleeve 7 can only horizontally move in the rectangular frame 3, at the moment, the four rotating sleeves 7 drive the four sliding columns 5 to horizontally slide in the sliding grooves 4 at the corresponding positions, and through the relation of connection of four sliding columns 5 and locating frame 2 both sides, drive locating frame 2 and do horizontal migration, can carry out horizontal position control to circuit board 1 of location in locating frame 2 from this.

Finally, it should be noted that: 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 utility model.

Claims

1. The circuit board with the blind via hole comprises a circuit board (1) and is characterized in that a positioning frame (2) is movably sleeved on the outer wall of the circuit board (1), rectangular frames (3) are symmetrically and fixedly connected to two sides of the positioning frame (2), and moving assemblies are arranged in inner cavities of the two rectangular frames (3) located at the same side of the positioning frame (2);

the movable assembly comprises a threaded rod (6), the two end portions of the threaded rod (6) are respectively and alternately connected with the inner cavities of the two rectangular frames (3) in a rotating mode, the two ends of the threaded rod (6) are respectively connected with one side of the inner cavity of each rectangular frame (3) in a rotating mode, a sliding groove (4) is formed in each side of the inner cavity of each sliding groove (4), a sliding column (5) is connected with the inner cavity of each sliding column (4) in a sliding mode, the two sliding columns (5) are respectively and fixedly connected with one end of each sliding column (5) to rotate a sleeve (7) and the two ends of each rotating sleeve (7) are respectively in threaded connection with the outer walls of the two ends of the threaded rod (6).

2. The circuit board with the blind via hole according to claim 1, wherein a mounting plate (8) is fixedly connected to one side of each of the two rectangular frames (3), first mounting holes (9) are symmetrically formed in the top ends of the two mounting plates (8), and second mounting holes are formed in one side of the inner cavity of each of the two first mounting holes (9).

3. The circuit board with the blind via hole according to claim 1, wherein plug boards (16) are symmetrically and fixedly connected to one side of the circuit board (1), slots (17) are symmetrically formed in one side of an inner cavity of the positioning frame (2), outer walls of the two plug boards (16) are movably plugged into inner cavities of the two slots (17), and limiting assemblies are symmetrically arranged on the other side of the inner cavity of the positioning frame (2).

4. The circuit board with blind via hole of claim 3, characterized in that, spacing subassembly includes fixed block (15), fixed block (15) fixed connection is in the inner chamber of posting (2), one side of fixed block (15) is rotated and is alternated and connected with dwang (10), the one end of dwang (10) is rotated and is alternated and connected with the avris in posting (2) inner chamber, the fixed cover in middle part of dwang (10) is equipped with solid fixed ring (13), one side fixedly connected with plush copper extrusion column (14) of solid fixed ring (13), the fixed cover in one end of plush copper extrusion column (14) has been cup jointed rubber packing ring (21), rubber packing ring (21) laminating sets up in the opposite side position of circuit board (1).

5. The circuit board with the blind via hole according to claim 4, wherein the outer wall of the rotating rod (10) is movably sleeved with a U-shaped locking block (11) at one side position of the fixing ring (13), the middle part of the U-shaped locking block (11) is movably clamped with an insertion block (12), the insertion block (12) is fixedly connected to the outer wall of the rotating rod (10), and one end of the U-shaped locking block (11) is movably clamped at the other side position of the inner cavity of the positioning frame (2).

6. The circuit board with the blind via hole according to claim 3, wherein rubber gaskets (19) are fixedly connected to bottom ends of inner cavities of the two insertion grooves (17), the two rubber gaskets (19) are respectively attached to bottom ends of the two insertion plates (16), a plurality of limiting convex blocks (18) are fixedly connected to top ends of the inner cavities of the two insertion grooves (17) at equal intervals, a plurality of limiting clamping grooves (20) are formed in top ends of the two insertion plates (16) at equal intervals, and the limiting convex blocks (18) at opposite positions are slidably clamped in inner cavities of the limiting clamping grooves (20).