CN218042148U

CN218042148U - Multi-layer FR-4 circuit board typesetting structure

Info

Publication number: CN218042148U
Application number: CN202221495503.7U
Authority: CN
Inventors: 戎祖立
Original assignee: Sichuan Shangda Electronics Co ltd
Current assignee: Sichuan Shangda Electronics Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-12-13
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a multilayer FR-4 circuit board composing structure, including the mounting panel, the top fixedly connected with fixed plate of mounting panel, the quantity of fixed plate is four, four the fixed plate becomes the setting of rectangle array, four the inner chamber of fixed plate all runs through the cover and is equipped with the bearing. The device is through mutually supporting between each part, the screw rod rotates, make two splint remove from the front and back side of circuit board body in opposite directions and carry out the centre gripping, make the installation that the circuit board body can be quick, it is fixed to replace screw and glue, thereby the dismouting of being convenient for, the time of installation has been saved, and make the rotor plate rotate through the decline of mounting panel, promote first connecting seat towards the end of guide bar, thereby extrude damping spring, the shock absorption that produces when will vibrate, cushion the shock attenuation for the mounting panel, reduce the influence of vibration to the mounting panel, make the mounting panel more firm on splint, reduce the possibility that drops.

Description

Multi-layer FR-4 circuit board typesetting structure

Technical Field

The utility model relates to a circuit board technical field especially relates to a multilayer FR-4 circuit board composing structure.

Background

The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, the FR-4 circuit board is widely applied due to higher mechanical property and dielectric property, better heat resistance and moisture resistance and good machinability, and in order to ensure effective and convenient use of machinery, a plurality of circuit boards are typeset and connected for use by part of machinery.

However, the typesetting of the existing multilayer FR-4 circuit board is usually fixed on the mounting board by using fasteners such as screws or welding technology, the steps of dismounting are complicated, and the machine does not have the functions of shock absorption and the like, and generally generates vibration during the operation of the machine, which can lead the fixation of the circuit board to gradually become loose and fall off from the mounting board.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a multi-layer FR-4 circuit board layout structure.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a multilayer FR-4 circuit board composing structure, includes the mounting panel, the top fixedly connected with fixed plate of mounting panel, the quantity of fixed plate is four, four the fixed plate becomes the rectangular array setting, four the inner chamber of fixed plate all runs through the cover and is equipped with the bearing, relative two around the inner chamber of bearing runs through jointly has the screw rod, the quantity of screw rod is two, two screw rod bilateral symmetry sets up, two the common rigid coupling has splint on the screw rod, the quantity of splint is two, two splint activity cup joints the front and back end at the screw rod respectively, two the common joint of the face in opposite directions of splint has the circuit board body, two the belt pulley is all fixed to have cup jointed, two the belt pulley passes through driving belt and rotates the connection, the bottom of mounting panel is provided with the backup pad, the top surface fixedly connected with telescopic link of backup pad, the quantity of telescopic link is four, four the telescopic link becomes the rectangular array, the upper end fixed connection of telescopic link is in the bottom surface of mounting panel, and the common fixedly connected with the guide bar in opposite directions of side of two telescopic links about the top of relative telescopic link sets up at the top of backup pad, the left and right-hand member of guide bar is connected with the first connecting seat, the spring connection seat is close to the other end of shock attenuation spring connecting seat the articulated second connecting seat, and the top of spring connecting seat is equipped with the second connecting seat, and the spring connecting seat is equipped with the top of shock attenuation spring connecting seat.

Furthermore, the middle part on the surface of the screw rod is fixedly sleeved with a limiting ring, the screw threads on the surface of the screw rod and arranged on the front and the back of the limiting ring are opposite in direction, and protective particles are fixedly connected to the surface of the front end of the screw rod.

Furthermore, every the left and right sides of screw rod front end all is provided with fixed subassembly, fixed subassembly includes the curb plate, the activity hole has been seted up on the curb plate, the activity hole activity has cup jointed the pull rod, the pull rod is close to the terminal surface fixedly connected with fixed sleeve pipe of screw rod, fixed sleeve pipe cup joints with the screw rod activity, the last cover of fixed sleeve pipe is equipped with fixed spring, fixed spring's one end and fixed sleeve pipe fixed connection, fixed spring's the other end and curb plate fixed connection.

Further, the top surface fixedly connected with cooling fan of mounting panel, cooling fan's quantity is a plurality of, a plurality of cooling fan becomes the setting of rectangle array.

Furthermore, threaded holes are formed in the top surfaces of the two clamping plates, the top surfaces of the two clamping plates are provided with cover plates together, bolts are sleeved on four corners of each cover plate in a threaded mode, and the lower ends of the bolts are sleeved with the threaded holes in a threaded mode.

Furthermore, the right side wall of the supporting plate is fixedly connected with a clamping seat, the left side wall of the supporting plate is fixedly connected with a clamping plate, and the clamping seat is matched with the clamping plate.

Furthermore, the quantity of guide bar is two, two the guide bar longitudinal symmetry sets up, every the damping spring quantity that the cover was established on the guide bar is two, the quantity of second connecting seat is two, two the second connecting seat longitudinal symmetry sets up, every the first connecting seat quantity of second connecting seat bottom articulated is two.

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

the device is through mutually supporting between each part, the screw rod rotates, make two splint remove from the front and back side of circuit board body in opposite directions and carry out the centre gripping, make the installation that the circuit board body can be quick, it is fixed to replace screw and glue, thereby the dismouting of being convenient for, the time of installation has been saved, and make the rotor plate rotate through the decline of mounting panel, promote first connecting seat towards the end of guide bar, thereby extrude damping spring, the shock absorption that produces when will vibrate, cushion the shock attenuation for the mounting panel, reduce the influence of vibration to the mounting panel, make the mounting panel more firm on splint, reduce the possibility that drops.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the present embodiment;

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

FIG. 3 is a sectional top view of the present embodiment;

fig. 4 is an enlarged view of the structure at a in fig. 3 of the present embodiment.

In the figure: 1. mounting a plate; 2. a fixing plate; 3. a bearing; 4. a screw; 5. a splint; 6. a circuit board body; 7. a belt pulley; 8. a drive belt; 9. a support plate; 10. a telescopic rod; 11. a guide rod; 12. a first connecting seat; 13. a damping spring; 14. a rotating plate; 15. a second connecting seat; 16. a limiting ring; 17. protective particles; 18. a side plate; 19. a pull rod; 20. fixing the sleeve; 21. fixing the spring; 22. a cooling fan; 23. a threaded hole; 24. a cover plate; 25. a bolt; 26. a card holder; 27. provided is a clamping plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

example 1:

a multilayer FR-4 circuit board composing structure comprises a mounting plate 1, wherein fixed plates 2 are fixedly connected to the top of the mounting plate 1, the fixed plates 2 are four in number, the four fixed plates 2 are arranged in a rectangular array, bearings 3 are sleeved in inner cavities of the four fixed plates 2 in a penetrating manner, screw rods 4 are commonly penetrated through inner cavities of two opposite front and back bearings 3, the screw rods 4 are two in number, the two screw rods 4 are arranged in bilateral symmetry, clamping plates 5 are fixedly sleeved on the two screw rods 4, the clamping plates 5 are two in number, the two clamping plates 5 are movably sleeved at the front end and the back end of each screw rod 4 respectively, circuit board bodies 6 are clamped on opposite surfaces of the two clamping plates 5 in a penetrating manner, belt pulleys 7 are fixedly sleeved at the back ends of the two screw rods 4, and the two belt pulleys 7 are rotatably connected through a transmission belt 8;

the middle part on screw rod 4 surface is fixed to be cup jointed with spacing ring 16, screw rod 4 surface and the screw thread opposite direction who sets up around being located spacing ring 16, fixedly connected with protection granule 17 on the surface of screw rod 4 front end, the left and right sides of every screw rod 4 front end all is provided with fixed subassembly, fixed subassembly includes curb plate 18, the activity hole has been seted up on the curb plate 18, pull rod 19 has been cup jointed to the activity hole activity, pull rod 19 is close to screw rod 4's terminal surface fixedly connected with fixed sleeve 20, fixed sleeve 20 cup joints with screw rod 4 activity, the cover is equipped with fixed spring 21 on the fixed sleeve 20, the one end and the fixed sleeve 20 fixed connection of fixed spring 21, the other end and the curb plate 18 fixed connection of fixed spring 21, the top surface fixedly connected with cooling fan 22 of mounting panel 1, cooling fan 22's quantity is a plurality of, a plurality of cooling fan 22 become the setting of rectangular array, threaded hole 23 has all been seted up to the top surface of two splint 5, splint 5's top surface is provided with apron 24 jointly, the equal thread has cup jointed bolt 25 in four corners of apron 24, the lower extreme and the thread of bolt 25 cup joints.

When the circuit board body 6 is installed, the pull rod 19 is pulled first, the pull rod 19 drives the fixing sleeve 20 to move away from the screw rod 4, the fixing sleeve 20 is separated from the pull rod 19, then the circuit board body 6 is placed between the two clamping plates 5, then one of the screw rods 4 is rotated, the other screw rod 4 is matched with the transmission belt 8 through the belt pulley 7 and synchronously rotates, because the threads at the two ends of the screw rod 4 are opposite in reverse direction, the two clamping plates 5 move oppositely, the two clamping plates 5 clamp the circuit board body 6 from the front side and the back side respectively, the circuit board body 6 is clamped between the two clamping plates 5, the circuit board body 6 is fixedly installed, then the pulled pull rod 19 is loosened, the fixing spring 21 can push the fixing sleeve 20 to move towards the screw rod 4, the fixing sleeve 20 is sleeved on the screw rod 4, the protective particles 17 on the screw rod 4 increase friction with the fixing sleeve 20, the fixing sleeve 20 is difficult to separate from the screw rod 4, the screw rod 4 is difficult to rotate through the friction force, through the stable mode, the circuit board body 6 can be quickly installed instead of screws and glue for fixing, thereby being convenient for dismounting and saving the mounting time, the cover plate body 6, the cover plate 24 is well, and the cover plate 6 is a dustproof cover plate 24 on the circuit board body 24, and the circuit board 6 is difficult to be a dustproof cover a threaded hole 23.

Example 2:

the bottom of the mounting plate 1 is provided with a supporting plate 9, the top surface of the supporting plate 9 is fixedly connected with telescopic rods 10, the number of the telescopic rods 10 is four, the four telescopic rods 10 form a rectangular array, the upper end surface of each telescopic rod 10 is fixedly connected to the bottom surface of the mounting plate 1, the opposite sides of the two telescopic rods 10 opposite to each other on the left and right are fixedly connected with a guide rod 11 together, the guide rods 11 are arranged at the top of the supporting plate 9, the left end and the right end of each guide rod 11 are movably sleeved with a first connecting seat 12, a damping spring 13 is sleeved on each first connecting seat 12, one end of each damping spring 13 is fixedly connected with the corresponding telescopic rod 10, the other end of each damping spring 13 is fixedly connected to one side, close to the corresponding telescopic rod 10, of each first connecting seat 12 is hinged with a rotating plate 14, the top of each rotating plate 14 is hinged with a second connecting seat 15, and the top surface of each second connecting seat 15 is fixedly connected to the bottom surface of the mounting plate 1;

the right side wall fixedly connected with cassette 26 of backup pad 9, the left side wall fixedly connected with cardboard 27 of backup pad 9, cassette 26 and cardboard 27 looks adaptation, the quantity of guide bar 11 is two, two guide bar 11 front and back symmetries set up, the damping spring 13 quantity that the cover was established on every guide bar 11 is two, the quantity of second connecting seat 15 is two, two second connecting seat 15 front and back symmetries set up, every second connecting seat 15 bottom articulated first connecting seat 12 quantity is two.

When the vibrational force that machinery produced conducts on the device, can make mounting panel 1 reciprocate, when mounting panel 1 descends, can drive second connecting seat 15 and descend, splint 5 descends and makes two articulated rotor plates 14 rotate and expand, rotor plate 14 promotes first connecting seat 12 towards the end of guide bar 11, guide bar 11 extrudes damping spring 13, make damping spring 13 shrink, shrink through damping spring 13 with the vibration absorption, cushion the shock attenuation for mounting panel 1, the influence of vibration to mounting panel 1 has been reduced, make mounting panel 1 more firm on splint 5, reduce the possibility that drops, when two block circuit board bodies 6 need place together, with the left cardboard 27 of one of them backup pad 9, the card is in the cassette 26 on another backup pad 9 right side, can make two devices be linked together, thereby make can zonulae occludens between two sets of devices.

The working principle is as follows: when the circuit board body 6 is installed, firstly the pull rod 19 is pulled to enable the pull rod 19 to drive the fixing sleeve 20 to move away from the screw rod 4, the fixing sleeve 20 is separated from the pull rod 19, then the circuit board body 6 is placed between the two clamping plates 5, then one of the screw rods 4 is rotated, the other screw rod 4 is matched with the transmission belt 8 through the belt pulley 7 to synchronously rotate, as the threads at the two ends of the screw rods 4 are reversely opposite, the two clamping plates 5 move oppositely, the two clamping plates 5 respectively clamp the front side and the rear side of the circuit board body 6, the circuit board body 6 is clamped between the two clamping plates 5 to enable the circuit board body 6 to be fixedly installed, then the pulled pull rod 19 is loosened, the fixing spring 21 can push the fixing sleeve 20 to move towards the screw rods 4 to enable the fixing sleeve 20 to be sleeved on the screw rods 4, and the protective particles 17 on the screw rods 4 increase friction with the fixing sleeve 20, the fixing sleeve 20 is difficult to separate from the screw rod 4, the screw rod 4 is difficult to rotate through the friction force, through the mode, the circuit board body 6 can be quickly installed to replace the fixation of screws and glue, thereby being convenient for disassembly and assembly, and saving the installation time, after the circuit board body 6 is installed, the cover plate 24 is covered on the two clamping plates 5, the bolts 25 on the cover plate 24 are twisted into the threaded holes 23, the cover plate 24 is stably covered on the clamping plates 5, the circuit board body 6 is protected, and the circuit board body 6 is dustproof, when the vibration force generated by machinery is transmitted to the device, the installation plate 1 can move up and down, when the installation plate 1 descends, the second connecting seat 15 can be driven to descend, the clamping plates 5 descend to enable the two hinged rotating plates 14 to rotate and expand, the rotating plates 14 push the first connecting seat 12 towards the end of the guide rod 11, the guide rod 11 extrudes the damping spring 13, make damping spring 13 shrink, the shrink through damping spring 13 is with the vibration absorption, cushion the shock attenuation for mounting panel 1, the influence of vibration to mounting panel 1 has been reduced, make mounting panel 1 more firm on splint 5, reduce the possibility that drops, when two circuit board bodies 6 need be placed together, with the left cardboard 27 of one of them backup pad 9, the card is in the cassette 26 on another backup pad 9 right side, can make two devices be linked together, thereby make can zonulae occludens between two sets of devices.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A multilayer FR-4 circuit board typesetting structure comprises a mounting plate (1), and is characterized in that: the top fixedly connected with fixed plate (2) of mounting panel (1), the quantity of fixed plate (2) is four, four fixed plate (2) become the rectangle array setting, four the inner chamber of fixed plate (2) all runs through the cover and is equipped with bearing (3), two relative around the cover the inner chamber of bearing (3) has run through screw rod (4) jointly, the quantity of screw rod (4) is two, two screw rod (4) bilateral symmetry sets up, two the common rigid coupling has splint (5) on screw rod (4), the quantity of splint (5) is two, two splint (5) activity cup joint respectively in the front and back end of screw rod (4), two the common joint of the facies of splint (5) has circuit board body (6), two the rear end of screw rod (4) has all fixedly cup jointed belt pulley (7), belt pulley (7) rotate through drive belt (8) and connect, the bottom of mounting panel (1) rectangle is provided with backup pad (9), the top surface fixedly connected with telescopic link (10) of backup pad (9), the quantity of screw rod (10) is the telescopic link (10), the fixed array is connected in the telescopic link (10) is the relative side direction pole (11) of four telescopic link (10), guide bar (11) set up the top in backup pad (9), first connecting seat (12) have been cup jointed in the equal activity of end about guide bar (11), the cover is equipped with damping spring (13) on first connecting seat (12), the one end and telescopic link (10) fixed connection of damping spring (13), the other end fixed connection of damping spring (13) is in one side that telescopic link (10) are close to in first connecting seat (12), the top of first connecting seat (12) articulates there is rotor plate (14), the top of rotor plate (14) articulates there is second connecting seat (15), the top surface fixed connection of second connecting seat (15) is on the bottom surface of mounting panel (1).

2. The layout structure of multi-layer FR-4 circuit board according to claim 1, wherein: the middle part on screw rod (4) surface is fixed to be cup jointed with spacing ring (16), screw thread opposite direction that screw rod (4) surface just was located spacing ring (16) and offered around, the surperficial fixedly connected with protection granule (17) of screw rod (4) front end.

3. The layout structure of multi-layer FR-4 circuit board according to claim 1, wherein: every the left and right sides of screw rod (4) front end all is provided with fixed subassembly, fixed subassembly includes curb plate (18), the activity hole has been seted up on curb plate (18), pull rod (19) have been cup jointed in the activity hole, terminal surface fixedly connected with adapter sleeve (20) that screw rod (4) are close to in pull rod (19), adapter sleeve (20) cup joint with screw rod (4) activity, the cover is equipped with fixed spring (21) on adapter sleeve (20), the one end and adapter sleeve (20) fixed connection of fixed spring (21), the other end and curb plate (18) fixed connection of fixed spring (21).

4. The layout structure of a multilayer FR-4 circuit board as claimed in claim 1, wherein: the top surface fixedly connected with cooling fan (22) of mounting panel (1), the quantity of cooling fan (22) is a plurality of, a plurality of cooling fan (22) become the setting of rectangle array.

5. The layout structure of multi-layer FR-4 circuit board according to claim 1, wherein: threaded holes (23) are formed in the top surfaces of the two clamping plates (5), a cover plate (24) is jointly arranged on the top surfaces of the two clamping plates (5), bolts (25) are sleeved on four corners of the cover plate (24) in a threaded mode, and the lower ends of the bolts (25) are sleeved with the threaded holes (23) in a threaded mode.

6. The layout structure of a multilayer FR-4 circuit board as claimed in claim 1, wherein: the right side wall of backup pad (9) fixedly connected with cassette (26), the left side wall fixedly connected with cardboard (27) of backup pad (9), cassette (26) and cardboard (27) looks adaptation.

7. The layout structure of multi-layer FR-4 circuit board according to claim 1, wherein: the quantity of guide bar (11) is two, two the symmetry sets up around guide bar (11), every damping spring (13) quantity that the cover was established on guide bar (11) is two, the quantity of second connecting seat (15) is two, two the symmetry sets up around second connecting seat (15), every the articulated first connecting seat (12) quantity in second connecting seat (15) bottom is two.