CN216451601U

CN216451601U - Double-sided multilayer printed circuit board

Info

Publication number: CN216451601U
Application number: CN202122931018.1U
Authority: CN
Inventors: 赵勇
Original assignee: Chongqing Hangling Pcb Co ltd
Current assignee: Chongqing Hangling Pcb Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-06
Anticipated expiration: 2031-11-26

Abstract

The utility model belongs to the technical field of circuit boards, in particular to a double-sided multilayer printed circuit board, which aims at solving the problem that the existing circuit board is lack of a protection device when in use, a plurality of electronic elements are connected on the circuit board, the circuit board is directly installed at a position needing to be used, and the circuit board is easy to damage. The utility model can install the main board and the auxiliary board together, and can effectively protect the electronic elements on the circuit board during installation.

Description

Double-sided multilayer printed circuit board

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a double-sided multilayer printed circuit board.

Background

The double-sided board is a medium layer in the middle, both sides are wiring layers, the multilayer board is a multilayer wiring layer, a medium layer is arranged between every two layers, the medium layer can be made very thin, the multilayer circuit board is provided with at least three conductive layers, two conductive layers are arranged on the outer surface, the rest conductive layer is combined in an insulating board, and the electrical connection between the two conductive layers is usually realized through plated through holes on the cross section of the circuit board.

However, the current circuit board lacks a protection device when in use, a plurality of circuit elements are connected on the circuit board, and the circuit board is directly arranged at a position needing to be used and is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the prior circuit board is lack of a protection device when in use, a plurality of electronic elements are connected on the circuit board, and the circuit board is directly arranged at the position needing to be used and is easy to damage.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a two-sided multilayer printed circuit board, includes mainboard and subplate, slidable mounting has clamping device on the subplate, has seted up a plurality of on the clamping device and has placed the hole, and the bottom of subplate is rotated and is installed the plectane, and the bottom fixed mounting of plectane has the dead lever, and the bottom fixed mounting of dead lever has the knob, and movable mounting has drive arrangement on the plectane.

Preferably, the clamping device comprises two clamping plates which are symmetrically and slidably arranged on the auxiliary plate.

Preferably, two the spout has all been seted up to the bottom of splint, and equal fixed mounting has the gag lever post in two spouts, and equal slidable mounting has the bracing piece on two gag lever posts, two bracing pieces all with subplate fixed connection.

Preferably, two equal fixed mounting has the pressure spring in the spout, two pressure springs respectively with two bracing pieces fixed connection.

Preferably, the driving device comprises two driving rods, two connecting rods and two connecting blocks, the two driving rods are symmetrically and movably mounted on the circular plate, the bottom ends of the two connecting rods are respectively rotatably mounted on the two driving rods, the two connecting blocks are respectively and fixedly mounted on the two connecting rods, and the two connecting blocks are respectively and fixedly connected with the two clamping plates.

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, the main board, the auxiliary board, the clamping plates, the placing holes, the sliding grooves, the limiting rods, the supporting rods and the pressure springs are arranged, so that the main board can be installed on the auxiliary board in a pressing mode, and the two clamping plates can protect circuit elements on the side edges;

(2) this scheme is owing to set up plectane, dead lever, knob, drive pole, connecting block, connecting rod, can drive two splint removals simultaneously through rotating the plectane, is convenient for part mainboard and subplate, and it is very convenient to use.

The utility model can install the main board and the auxiliary board together, and can effectively protect the electronic elements on the circuit board during installation.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a motherboard of a double-sided multilayer printed circuit board according to the present invention;

FIG. 2 is a schematic cross-sectional view of a sub-board of a double-sided multi-layer printed circuit board according to the present invention;

FIG. 3 is a schematic perspective view of a sub-board, a clamping board and a placing hole of a double-sided multi-layer printed circuit board according to the present invention;

FIG. 4 is a schematic structural view of a circular plate, a knob and a driving rod of a double-sided multi-layer printed circuit board according to the present invention;

fig. 5 is a schematic structural diagram of a portion a of fig. 2 of a double-sided multi-layer printed circuit board according to the present invention.

In the figure: 1. a main board; 2. a sub-board; 3. a splint; 4. placing holes; 5. a chute; 6. a limiting rod; 7. a support bar; 8. a pressure spring; 9. a circular plate; 10. fixing the rod; 11. a knob; 12. driving the rod; 13. connecting blocks; 14. a connecting rod.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-5, a double-sided multilayer printed circuit board comprises a main board 1 and an auxiliary board 2, wherein a clamping device is slidably mounted on the auxiliary board 2, a plurality of placing holes 4 are formed in the clamping device, a circular board 9 is rotatably mounted at the bottom of the auxiliary board 2, a fixing rod 10 is fixedly mounted at the bottom of the circular board 9, a knob 11 is fixedly mounted at the bottom end of the fixing rod 10, and a driving device is movably mounted on the circular board 9.

In this embodiment, the clamping device comprises two clamping plates 3, the two clamping plates 3 are symmetrically and slidably mounted on the auxiliary plate 2, so that the auxiliary plate 2 and the main plate 1 can be clamped and fixed together, and electronic elements on the side edge of the main plate 1 can be protected.

In this embodiment, spout 5 has all been seted up to the bottom of two splint 3, and equal fixed mounting has gag lever post 6 in two spout 5, and equal slidable mounting has bracing piece 7 on two gag lever posts 6, and two bracing pieces 7 all with 2 fixed connection of subplate, have ensured the steady removal of two splint 3.

In this embodiment, equal fixed mounting has pressure spring 8 in two spouts 5, two pressure springs 8 respectively with two bracing pieces 7 fixed connection for can reset when two splint lose thrust.

In this embodiment, drive arrangement includes two drive rods 12, two connecting rods 14 and two connecting blocks 13, and two drive rods 12 symmetry movable mounting are on plectane 9, and the bottom of two connecting rods 14 rotates respectively and installs on two drive rods 12, and two connecting blocks 13 are fixed mounting respectively on two connecting rods 14, and two connecting blocks 13 respectively with two splint 3 fixed connection, can drive two splint 3 and remove simultaneously and remove fixedly.

The working principle is as follows: when the device is needed, the main board 1 is pressed on the auxiliary board 2, the two clamp boards 3 are driven to move by extrusion, the clamp boards 3 are separated, when the device is moved to a certain position, the two clamp boards 3 reset under the elastic action of the pressure spring 8, the main board 1 and the auxiliary board 2 are fixed together, meanwhile, the electronic element on the upper side of the main board 1 can be protected, the circular board 9 is rotated through the knob 11, the circular board 9 can drive the two clamp boards 3 to move through the two driving rods 12, the two connecting blocks 13 and the two connecting rods 14 drive the two clamp boards 3 to move, the main board 1 and the auxiliary board 2 can be separated, the use is very convenient, when the main board 1 and the auxiliary board 2 are fixed together, the installation can be carried out through the auxiliary board 2, and the main board 1 can be effectively protected.

Example two

Referring to fig. 1-5, a two-sided multilayer printed circuit board, including mainboard 1 and subplate 2, slidable mounting has clamping device on the subplate 2, it places hole 4 to have seted up a plurality of on the clamping device, the bottom of subplate 2 is rotated and is installed plectane 9, the bottom fixed mounting of plectane 9 has dead lever 10, the bottom fixed mounting of dead lever 10 has knob 11, movable mounting has drive arrangement on plectane 9, can install a detachable protection shield additional, can protect the another side of mainboard 1 when mainboard 1 and subplate 2 fix together.

The difference between the second embodiment and the first embodiment is that: a detachable protection plate is additionally arranged, so that the other surface of the main board 1 can be protected when the main board 1 and the auxiliary board 2 are fixed together.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a two-sided multilayer printed circuit board, includes mainboard (1) and subplate (2), its characterized in that, slidable mounting has clamping device on subplate (2), has seted up a plurality of on the clamping device and has placed hole (4), and the bottom of subplate (2) is rotated and is installed plectane (9), and the bottom fixed mounting of plectane (9) has dead lever (10), and the bottom fixed mounting of dead lever (10) has knob (11), and movable mounting has drive arrangement on plectane (9).

2. A double-sided multilayer printed circuit board according to claim 1, characterized in that the clamping means comprise two clamping plates (3), the two clamping plates (3) being symmetrically slidably mounted on the sub-plate (2).

3. A double-sided multilayer printed circuit board according to claim 2, wherein the bottom of each of the two clamping plates (3) is provided with a sliding groove (5), each of the two sliding grooves (5) is fixedly provided with a limiting rod (6), each of the two limiting rods (6) is slidably provided with a support rod (7), and each of the two support rods (7) is fixedly connected with the auxiliary plate (2).

4. A double-sided multilayer printed circuit board according to claim 3, wherein a compression spring (8) is fixedly mounted in each of the two sliding grooves (5), and the two compression springs (8) are respectively fixedly connected with the two supporting rods (7).

5. A double-sided multilayer printed circuit board according to claim 1, wherein the driving device comprises two driving rods (12), two connecting rods (14) and two connecting blocks (13), the two driving rods (12) are symmetrically and movably mounted on the circular plate (9), the bottom ends of the two connecting rods (14) are respectively rotatably mounted on the two driving rods (12), the two connecting blocks (13) are respectively fixedly mounted on the two connecting rods (14), and the two connecting blocks (13) are respectively fixedly connected with the two clamping plates (3).