CN219068687U - HDI circuit board convenient to prevent becoming flexible - Google Patents
HDI circuit board convenient to prevent becoming flexible Download PDFInfo
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- CN219068687U CN219068687U CN202222921715.3U CN202222921715U CN219068687U CN 219068687 U CN219068687 U CN 219068687U CN 202222921715 U CN202222921715 U CN 202222921715U CN 219068687 U CN219068687 U CN 219068687U
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- circuit board
- groove
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- clamping
- wall
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Abstract
The utility model relates to the technical field of circuit boards and discloses an HDI circuit board convenient to prevent loosening, which comprises a circuit board body and a connecting frame, wherein a clamping groove is formed in one side, close to the circuit board body, of the connecting frame; after one end of the circuit board body is clamped into the clamping groove on the connecting frame, the clamping rods at two sides are clamped into the arc-shaped groove on the fixing plate, the circuit board body is clamped and fixed from two sides, then the circuit board body slides on the outer wall of the clamping rods through the rotary fastening nut and is mutually abutted against one side of the fixing plate, so that the circuit board body can be fastened, and the problem that the circuit board body loosens is avoided.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to an HDI circuit board convenient to prevent loosening.
Background
HDI circuit boards are english shorthand for highdensity interconnect, and High Density Interconnect (HDI) fabrication is one of the fastest growing areas in the printed circuit board industry.
When the circuit board is installed, the circuit board is usually fixed in the installation shell through bolts and glue, but the glue and the bolts are loosened over time, so that the circuit board is not firmly installed, the circuit board can shake when the installation shell is vibrated, the circuit board and the bolts repeatedly collide, and the problem that the electric elements on the upper end face of the circuit board are damaged occurs.
Disclosure of Invention
The utility model aims to provide an HDI circuit board which is convenient for preventing looseness, after one end of a circuit board body is clamped into a clamping groove on a connecting frame, clamping rods at two sides are clamped into arc-shaped grooves on a fixing plate, the circuit board body is clamped and fixed from two sides, then a fastening nut is rotated to slide on the outer wall of the clamping rods, and one side of the fixing plate is mutually abutted, so that the circuit board body can be fastened, and the problem that the circuit board body loosens is avoided.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides an HDI circuit board convenient to prevent not hard up, includes circuit board body and linking frame, linking frame is close to circuit board body one side and has seted up the draw-in groove, circuit board body one side joint is in the draw-in groove, equal fixed mounting in circuit board body both sides has the fixed plate, two the fixed plate is kept away from circuit board body one side and has all been seted up the arc wall, the inside both sides of draw-in groove all are connected with the clamping lever, two the clamping lever all with the mutual joint of arc wall, two linking frame one side has all been seted up to the clamping lever outer wall, two all be connected with fastening nut on the clamping lever outer wall, two fastening nut all is through first screw thread and clamping lever threaded connection.
As a further scheme of the utility model: two equal fixed mounting of first screw thread one end is kept away from to the clamping lever has the movable block, two equal sliding connection of movable block is in the draw-in groove, the connection frame is kept away from draw-in groove one side and has been seted up the run-through groove of mirror image distribution, two run-through groove all is linked together with the draw-in groove, two equal sliding connection has the connecting block in the run-through groove, two equal fixed mounting of connecting block is on the movable block lateral wall.
As a further scheme of the utility model: the connecting block is characterized in that a rotating shaft is connected between the two connecting blocks, two second threads with opposite thread directions are formed in the outer wall of the rotating shaft, the two connecting blocks are connected with the rotating shaft through the second threads in a threaded mode, a mounting plate is rotationally connected to the center of the outer wall of the rotating shaft, the mounting plate is fixedly mounted on the side wall of the connecting frame, and a knob is fixedly mounted at one end of the rotating shaft.
As a further scheme of the utility model: two all set up flutedly on the clamping lever outer wall, two equal sliding connection has the slider in the recess, two equal fixed mounting presses the board on the slider outer wall, two it is connected with branch all to rotate to keep away from slider one side to press the board, two equal fixed mounting has the cylinder that presses board one end was kept away from to the branch, two the cylinder is all rotated and is connected in the draw-in groove.
As a further scheme of the utility model: two the equal cover in both sides is equipped with the torsional spring about the cylinder outer wall, every equal fixed connection of torsional spring one end is on branch, every the equal fixed connection of torsional spring other end is on the draw-in groove inner wall.
As a further scheme of the utility model: the connecting frame is close to circuit board body one side below fixed mounting has the bottom plate, the spout has all been seted up to bottom plate up end both sides, two equal sliding connection has the slide in the spout, two equal fixed mounting of slide is in the terminal surface under the circuit board body, a plurality of louvre has been seted up to bottom plate center department.
The utility model has the beneficial effects that:
1. according to the HDI circuit board convenient to prevent loosening, after one end of the circuit board body is clamped into the clamping groove on the connecting frame, the clamping rods at two sides are clamped into the arc-shaped grooves on the fixing plate, the circuit board body is clamped and fixed from two sides, then the circuit board body slides on the outer wall of the clamping rods through the rotary fastening nuts, and one side of the fixing plate is abutted against each other, so that the circuit board body can be fastened, and the problem that the circuit board body is loosened is avoided.
2. According to the HDI circuit board convenient to prevent loosening, when the rotary knob drives the rotary shaft to rotate, the connecting block and the moving block can be synchronously driven to slide in the through groove and the clamping groove respectively, so that the clamping rod can be clamped into the arc-shaped groove, and the clamping rod can be suitable for circuit boards with different sizes to clamp and fix the circuit boards by controlling the clamping rod to move.
3. According to the HDI circuit board convenient to prevent loosening, the clamping rods can be kept in an inclined state through the pressure of torsion springs connected to the supporting rods, the stability of the supporting rods is improved, the clamping rods are supported through the supporting rods when the clamping rods clamp and fix the circuit board body, the clamping rods can be further fixed, and the clamping force of the clamping rods to the circuit board body is improved.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the isometric structure of FIG. 1 according to the present utility model;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present utility model;
fig. 4 is a schematic diagram of a connection structure between a circuit board body and a base plate according to the present utility model;
FIG. 5 is a schematic view of a strut connecting arrangement in accordance with the present utility model;
in the figure: 1. a circuit board body; 2. a connection frame; 3. a clamping groove; 4. a moving block; 5. a mounting plate; 6. a clamping rod; 7. a first thread; 8. a fastening nut; 9. a fixing plate; 10. a groove; 11. a support rod; 12. a bottom plate; 13. a chute; 14. a knob; 15. a rotating shaft; 16. a second thread; 17. a through groove; 18. a connecting block; 19. a heat radiation hole; 20. a slide plate; 21. an arc-shaped groove; 22. a cylinder; 23. a torsion spring; 24. pressing the plate; 25. a sliding block.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-5, an HDI circuit board convenient to prevent loosening, including circuit board body 1 and connecting frame 2, connecting frame 2 has been close to circuit board body 1 one side and has been seted up draw-in groove 3, circuit board body 1 one side joint is in draw-in groove 3, circuit board body 1 both sides equal fixed mounting has fixed plate 9, two fixed plate 9 has all been seted up arc wall 21 away from circuit board body 1 one side, the inside both sides of draw-in groove 3 all are connected with clamping lever 6, two clamping lever 6 all with the mutual joint of arc wall 21, two clamping lever 6 outer wall has been kept away from connecting frame 2 one side and has all been seted up first screw thread 7, two all be connected with fastening nut 8 on the clamping lever 6 outer wall, two fastening nut 8 all is through first screw thread 7 and clamping lever 6 threaded connection.
When the circuit board body 1 is installed, firstly, one side of the circuit board body 1 is clamped into the clamping groove 3 on the side wall of the connecting frame 2, then, the two clamping rods 6 are moved to be clamped into the arc grooves 21 on the side wall of the two fixing plates 9, the circuit board body 1 is clamped and fixed from two sides, the fastening nut 8 is rotated, the fastening nut 8 can slide on the outer wall of the clamping rod 6 through the first threads 7 formed on the outer wall of the clamping rod 6, and one side of the fixing plate 9 is mutually abutted against, so that the circuit board body 1 can be fastened, and the problem that the circuit board body 1 is loose is avoided.
Two equal fixed mounting of first screw thread 7 one end is kept away from to clamping lever 6 has movable block 4, two equal sliding connection of movable block 4 is in draw-in groove 3, the through groove 17 of mirror image distribution has been seted up to connecting frame 2 one side of keeping away from draw-in groove 3, two the through groove 17 all is linked together with draw-in groove 3, two equal sliding connection has connecting block 18 in the through groove 17, two equal fixed mounting of connecting block 18 is on the movable block 4 lateral wall.
When the control connecting block 18 slides in the through groove 17, the moving block 4 can be synchronously driven to move in the clamping groove 3, and because the moving block 4 and the clamping rod 6 are connected with each other, when the moving block 4 moves in the clamping groove 3, the clamping rod 6 can be clamped into the arc-shaped groove 21, and the clamping rod 6 can be controlled to move, so that the clamping rod 6 is applicable to circuit boards with different sizes, and the circuit boards are clamped and fixed.
A rotating shaft 15 is connected between the two connecting blocks 18, two second threads 16 with opposite thread directions are formed on the outer wall of the rotating shaft 15, the two connecting blocks 18 are connected with the rotating shaft 15 through the second threads 16, the center of the outer wall of the rotating shaft 15 is rotationally connected with a mounting plate 5, the mounting plate 5 is fixedly mounted on the side wall of the connecting frame 2, and a knob 14 is fixedly mounted at one end of the rotating shaft 15.
When the knob 14 is turned to drive the rotating shaft 15 to rotate on the mounting plate 5, the connecting block 18 can automatically slide in the through groove 17 to be close to or far away from each other through the two second threads 16 with opposite thread directions formed on the outer wall of the rotating shaft 15.
Embodiment two:
as shown in fig. 1-5, the outer walls of the two clamping rods 6 are provided with grooves 10, the two grooves 10 are internally and slidably connected with sliding blocks 25, the outer walls of the two sliding blocks 25 are fixedly provided with pressing plates 24, one sides of the pressing plates 24 far away from the sliding blocks 25 are rotatably connected with supporting rods 11, one ends of the supporting rods 11 far away from the pressing plates 24 are fixedly provided with cylinders 22, and the two cylinders 22 are rotatably connected in the clamping grooves 3.
In the process of moving the clamping rod 6, the pressing plate 24 pulls the supporting rod 11 to rotate around the cylinder 22, in the process of rotating the supporting rod 11, the pressing plate 24 is slidably connected with the groove 10 through the installed sliding block 25 and can slide on the outer wall of the clamping rod 6, when the clamping rod 6 clamps and fixes the circuit board body 1, the clamping rod 6 is supported through the supporting rod 11, the clamping rod 6 can be further fixed, and the clamping force of the clamping rod 6 to the circuit board body 1 is improved.
Two the upper and lower both sides of cylinder 22 outer wall all overlap and are equipped with torsional spring 23, every torsional spring 23 one end all fixed connection is on branch 11, every torsional spring 23 other end all fixed connection is on draw-in groove 3 inner wall.
When the supporting rod 11 supports the clamping rod 6, the clamping rod 6 can be kept in an inclined state by the pressure of the torsion spring 23, and the stability of the supporting rod 11 is improved.
The connecting frame 2 is close to circuit board body 1 one side below fixed mounting has bottom plate 12, spout 13 has all been seted up to bottom plate 12 up end both sides, two equal sliding connection has slide 20 in the spout 13, two equal fixed mounting of slide 20 is at circuit board body 1 lower terminal surface, a plurality of louvre 19 has been seted up to bottom plate 12 center department.
When the circuit board body 1 is installed, the circuit board body 1 can be slid to the upper end face of the bottom plate 12 through sliding connection of the sliding plates 20 and the sliding grooves 13 which are installed on two sides of the lower end face, and the lower end face of the circuit board body 1 can be cooled through the plurality of cooling holes 19 formed in the center of the bottom plate 12, so that the problem that the circuit board body 1 is damaged due to the fact that the temperature between the lower end face of the circuit board body 1 and the bottom plate 12 cannot be dissipated is avoided.
The working principle of the utility model is as follows: when the circuit board body 1 is installed, take the circuit board body 1, slide 20 and spout 13 sliding connection through lower terminal surface both sides installation can make circuit board body 1 slide to bottom plate 12 up end, make circuit board body 1 one side card insert the draw-in groove 3 on the connecting frame 2 lateral wall, then when turning knob 14 drive pivot 15 and rotate on mounting panel 5, through two second screw threads 16 that screw thread opposite directions offered on the pivot 15 outer wall, can make connecting block 18 automatic in running through groove 17 be close to each other or keep away from, because connecting block 18 and movable block 4 interconnect, when controlling connecting block 18 and running through groove 17 and sliding, can drive movable block 4 in draw-in groove 3 simultaneously, because movable block 4 and clamping bar 6 interconnect, when movable block 4 moves in draw-in groove 3, can control clamping bar 6 card in the arc wall 21 on two fixed plates 9 lateral walls, carry out the centre gripping fixed on circuit board body 1 from both sides, again rotate fastening nut 8, can make fastening nut 8 and can make on fixed plate 1 side fastening nut 6 each other through first screw thread 7 that the clamping bar 6 outer wall, can make the movable block 6 slide in mutual fastening plate 1.
In the process of moving the clamping rod 6, the pressing plate 24 pulls the supporting rod 11 to rotate around the cylinder 22, in the process of rotating the supporting rod 11, the pressing plate 24 is slidably connected with the groove 10 through the installed sliding block 25 and can slide on the outer wall of the clamping rod 6, when the clamping rod 6 clamps and fixes the circuit board body 1, the clamping rod 6 is supported through the supporting rod 11, the clamping rod 6 can be further fixed, and when the clamping rod 6 is supported through the supporting rod 11, the clamping rod 6 can be kept in an inclined state under the pressure of the torsion spring 23.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a HDI circuit board convenient to prevent not hard up, its characterized in that, including circuit board body (1) and connecting frame (2), connecting frame (2) are close to circuit board body (1) one side and have been seted up draw-in groove (3), circuit board body (1) one side joint is in draw-in groove (3), equal fixed mounting in circuit board body (1) both sides has fixed plate (9), two arc wall (21) have all been seted up in circuit board body (1) one side were kept away from to fixed plate (9), inside both sides of draw-in groove (3) all are connected with clamping lever (6), two clamping lever (6) all with arc wall (21) joint each other, two first screw thread (7) have all been seted up on clamping lever (6) outer wall keeping away from connecting frame (2) one side, two all be connected with fastening nut (8) on clamping lever (6) outer wall, two fastening nut (8) all are through first screw thread (7) and clamping lever (6) threaded connection.
2. The HDI circuit board convenient to prevent loosening according to claim 1, wherein, two clamping rods (6) keep away from first screw thread (7) one end all fixed mounting has movable block (4), two equal sliding connection of movable block (4) is in draw-in groove (3), connecting frame (2) keep away from draw-in groove (3) one side and offer run through groove (17) of mirror image distribution, two run through groove (17) all are linked together with draw-in groove (3), two equal sliding connection has connecting block (18) in run through groove (17), two equal fixed mounting of connecting block (18) is on movable block (4) lateral wall.
3. The HDI circuit board convenient to prevent loosening according to claim 2, characterized in that is connected with pivot (15) between two connecting block (18), set up two second screw threads (16) that screw thread opposite direction on pivot (15) outer wall, two connecting block (18) are all through second screw thread (16) and pivot (15) threaded connection, pivot (15) outer wall center department rotates and is connected with mounting panel (5), mounting panel (5) fixed mounting is on connecting frame (2) lateral wall, pivot (15) one end fixed mounting has knob (14).
4. The HDI circuit board according to claim 1, wherein grooves (10) are formed in outer walls of the two clamping rods (6), sliding blocks (25) are slidably connected in the two grooves (10), pressing plates (24) are fixedly mounted on outer walls of the two sliding blocks (25), supporting rods (11) are rotatably connected to one sides, away from the sliding blocks (25), of the two pressing plates (24), cylinders (22) are fixedly mounted at one ends, away from the pressing plates (24), of the two supporting rods (11), and the two cylinders (22) are rotatably connected in the clamping grooves (3).
5. The HDI circuit board according to claim 4, wherein torsion springs (23) are respectively sleeved on the upper and lower sides of the outer walls of the two cylinders (22), one end of each torsion spring (23) is fixedly connected to the supporting rod (11), and the other end of each torsion spring (23) is fixedly connected to the inner wall of the clamping groove (3).
6. The HDI circuit board according to claim 1, wherein the connection frame (2) is fixedly installed with a bottom plate (12) near one side lower part of the circuit board body (1), two sides of the upper end surface of the bottom plate (12) are provided with sliding grooves (13), two sliding plates (20) are slidably connected in the sliding grooves (13), the two sliding plates (20) are fixedly installed on the lower end surface of the circuit board body (1), and a plurality of heat dissipation holes (19) are formed in the center of the bottom plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921715.3U CN219068687U (en) | 2022-11-03 | 2022-11-03 | HDI circuit board convenient to prevent becoming flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921715.3U CN219068687U (en) | 2022-11-03 | 2022-11-03 | HDI circuit board convenient to prevent becoming flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219068687U true CN219068687U (en) | 2023-05-23 |
Family
ID=86342402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222921715.3U Active CN219068687U (en) | 2022-11-03 | 2022-11-03 | HDI circuit board convenient to prevent becoming flexible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219068687U (en) |
-
2022
- 2022-11-03 CN CN202222921715.3U patent/CN219068687U/en active Active
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