CN219108011U

CN219108011U - Multilayer circuit board with protective structure

Info

Publication number: CN219108011U
Application number: CN202320135302.4U
Authority: CN
Inventors: 吴瑜; 严浩; 钟鹏程
Original assignee: Guangdetongling Electron Co ltd
Current assignee: Guangdetongling Electron Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-30
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a multilayer circuit board with a protective structure, which comprises a plurality of circuit board bodies, a protective top plate and a protective bottom plate, wherein a plurality of upper positioning screws are arranged below the protective top plate in a rectangular array, the upper positioning screws are connected with upper positioning bolts in a threaded manner, a plurality of lower positioning screws are arranged above the protective bottom plate in a rectangular array, the lower positioning screws are connected with lower positioning bolts in a threaded manner, the circuit board bodies are respectively arranged on the upper positioning screws and the lower positioning screws, positioning separation cylinders are sleeved between the circuit board bodies and positioned on the upper positioning screws and the lower positioning screws, and protective side plates and fixed main plates are symmetrically arranged between the protective top plate and the protective bottom plate, so that the stability of the circuit board in the installation process is effectively ensured, and meanwhile, a good protective effect is achieved on the multilayer circuit board.

Description

Multilayer circuit board with protective structure

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a multilayer circuit board with a protective structure.

Background

The multilayer board is a multilayer wiring layer, a dielectric layer is arranged between every two layers, and the dielectric layer can be made thin. The multilayer circuit board has at least three conductive layers, two of which are on the outer surface and the remaining one is incorporated into the insulating board. The electrical connection between them is typically made through plated through holes in the cross section of the circuit board. However, the existing PCB multilayer circuit board still has drawbacks during use, for example, the PCB multilayer circuit board is fragile in texture and is easily damaged due to various factors when exposed to the external environment for a long time.

The utility model discloses a PCB multilayer circuit board with a protective structure, which comprises a substrate, wherein the top of the substrate is provided with a fixed slot, the top of the substrate is provided with a protective shell, the bottom ends of two sides of the protective shell are symmetrically and fixedly connected with plugboards, and the top of the substrate is provided with a slot; the two sides of the base plate are symmetrically provided with stabilizing components, and the stabilizing components comprise a moving plate, a stabilizing rod and a guide rod; the stabilizing rod is fixedly connected to one side of the moving plate, which faces the base plate, the guide rod penetrates through the moving plate and is arranged, and one end of the guide rod is fixedly connected with the base plate; a spring is fixedly connected between the moving plate and the guide rod, and the spring is movably sleeved outside the guide rod; sliding grooves are formed in the positions, corresponding to the stabilizing rods, of the two sides of the base plate, and are communicated with the slots; the protective shell is internally provided with a clamping assembly, the top of the protective shell is provided with a vent hole, and a dustproof net is arranged in the vent hole; the protective shell can play a role in protection, and is convenient to mount and dismount;

however, in the protection process of the common multilayer circuit board, the protection structure can play a role in protection, but the structure is relatively complex, and the structure such as the telescopic rod is adopted, so that the protection structure is not beneficial to disassembly and wastes time during maintenance in the actual use process.

Disclosure of Invention

The present utility model is directed to a multilayer circuit board with a protective structure to solve the above-mentioned problems.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a multilayer circuit board with protective structure, includes a plurality of circuit board bodies, protection roof and protection bottom plate, the below of protection roof is rectangular array and is provided with a plurality of jack screws, go up jack screw and go up jack screw, the top of protection bottom plate is rectangular array and is provided with a plurality of jack screws down, threaded connection has jack screw down on the jack screw down, go up jack screw and be provided with the circuit board body on the jack screw down respectively, cup joint on jack screw and the jack screw down between the circuit board body and be provided with the location section of thick bamboo of separating, the symmetry is provided with protection curb plate and fixed mainboard between protection roof and the protection bottom plate.

As a further scheme of the utility model: the utility model discloses a protection roof, protection bottom plate, the joint spout has been seted up to the relative one side of protection roof and protection bottom plate, the bilateral symmetry of protection curb plate is provided with the joint slider and slides respectively and set up in the joint spout on protection roof and protection bottom plate, the bilateral symmetry of fixed mainboard is provided with fixed slider and slides respectively and set up in the joint spout on protection roof and protection bottom plate.

As a further scheme of the utility model: the clamping grooves are symmetrically formed in one side of the fixed sliding block on one side of the fixed main board, and clamping columns are symmetrically arranged in the clamping sliding grooves in a sliding mode in the lower portion of the protective top plate and the fixed sliding block in a sliding mode and are clamped with the clamping grooves.

As a further scheme of the utility model: the top of protecting the roof is a rectangular array and has seted up a plurality of protection spouts, protection spout internal fixation is provided with fixed slide bar, it is provided with the butt piece to slide on the fixed slide bar, cup joint on the fixed slide bar and be provided with the joint spring and with one side butt of butt piece, the joint post is fixed to be set up on the butt piece.

As a further scheme of the utility model: the two protection side plates are positioned between the two fixed main plates.

As a further scheme of the utility model: a plurality of mounting holes are formed in the circuit board body in a rectangular array.

The utility model has the beneficial effects that:

(1) According to the utility model, the distance between the upper positioning bolt and the protection top plate is adjusted according to the height of the module on the upper circuit board body, then the circuit board body is sleeved on the upper positioning screw rod, then a positioning separation cylinder with proper length is selected according to the height of the module on the lower circuit board body, the height of the lower positioning bolt is adjusted, then the lower circuit board body is installed, then the upper positioning screw rod and the lower positioning screw rod are respectively inserted into the two ends of the positioning separation cylinder to position the two circuit board bodies, then the protection side plate and the fixing main plate can be installed for fixing, so that the stability of the circuit board in the installation process is effectively ensured, and meanwhile, a good protection effect is played on the multilayer circuit board;

(2) According to the utility model, the clamping sliding grooves are formed in one side, opposite to the protective top plate and the protective bottom plate, of each protective top plate, the center lines of the clamping sliding grooves are mutually connected to form a rectangle, meanwhile, clamping sliding blocks are symmetrically arranged on two sides of each protective side plate and are respectively arranged in the clamping sliding grooves on the protective top plate and the protective bottom plate in a sliding manner and are used for connecting the two ends of the protective top plate and the protective bottom plate, then, fixing sliding blocks are symmetrically arranged on two sides of each fixing main plate and are respectively arranged in the clamping sliding grooves on the protective top plate and the protective bottom plate in a sliding manner, the two protective side plates are arranged between the two fixing main plates, namely, the two protective side plates are firstly and then, the two protective side plates are fixedly arranged by sliding, and meanwhile, the protective top plate and the protective bottom plate are connected.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a connection structure between a circuit board body and an upper positioning screw;

FIG. 2 is a schematic view of a partial structure of a protective top plate according to the present utility model;

FIG. 3 is a schematic view of a fixed motherboard structure according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a connection structure between a fixed main board and a protective top board according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the connection structure of the positioning separation barrel and the upper positioning screw in the utility model;

fig. 6 is a schematic view of the circuit board body structure of the present utility model.

In the figure: 1. a circuit board body; 10. a mounting hole; 2. a protective bottom plate; 21. a lower positioning screw; 22. a lower positioning bolt; 3. a protective top plate; 30. the clamping chute; 31. a positioning screw rod is arranged on the upper part; 32. a positioning bolt is arranged on the upper part; 33. a protective chute; 34. fixing the slide bar; 35. a clamping spring; 36. an abutment block; 37. a clamping column; 4. a protective side plate; 41. clamping a sliding block; 5. fixing the main board; 50. a clamping groove; 51. a fixed slide block; 6. and positioning the separation barrel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

Referring to fig. 1-6, the utility model discloses a multilayer circuit board with a protection structure, which comprises a plurality of circuit board bodies 1, a protection top plate 3 and a protection bottom plate 2, wherein a plurality of upper positioning screws 31 are arranged below the protection top plate 3 in a rectangular array, upper positioning bolts 32 are connected to the upper positioning screws 31 in a threaded manner, a plurality of lower positioning screws 21 are arranged above the protection bottom plate 2 in a rectangular array, lower positioning bolts 22 are connected to the lower positioning screws 21 in a threaded manner, circuit board bodies 1 are respectively arranged on the upper positioning screws 31 and the lower positioning screws 21, positioning separation cylinders 6 are symmetrically arranged between the circuit board bodies 1 and between the upper positioning screws 31 and the lower positioning screws 21, protection side plates 4 and fixing main plates 5 are symmetrically arranged between the protection top plate 3 and the protection bottom plate 2.

According to the illustration of fig. 1, fig. 2 and fig. 3, the opposite side of the protection top plate 3 and the protection bottom plate 2 is provided with the clamping sliding groove 30, and the central lines of the clamping sliding grooves 30 are mutually connected to form a rectangle, meanwhile, two sides of the protection side plate 4 are symmetrically provided with the clamping sliding blocks 41 and are respectively arranged in the clamping sliding grooves 30 on the protection top plate 3 and the protection bottom plate 2 in a sliding manner, two ends of the protection top plate 3 and the protection bottom plate 2 are connected, then, two sides of the fixing main plate 5 are symmetrically provided with the fixing sliding blocks 51 and are respectively arranged in the clamping sliding grooves 30 on the protection top plate 3 and the protection bottom plate 2 in a sliding manner, the two protection side plates 4 are located between the two fixing main plates 5, namely, the two protection side plates 4 are firstly slidably mounted, then, the two protection side plates 4 are fixedly mounted in a sliding manner, meanwhile, the protection top plate 3 and the protection bottom plate 2 are connected, and the whole protection structure is free of screw bolt connection, and is convenient to install.

Referring to fig. 3 and 4, a clamping groove 50 is symmetrically formed on one side of a fixed sliding block 51 on one side of a fixed main board 5, and a clamping column 37 is symmetrically and slidably arranged in a clamping sliding groove 30 which is slidably connected with the fixed sliding block 51 below a protective top board 3 and is clamped with the clamping groove 50;

specifically, a plurality of protection spouts 33 have been seted up to the top of protecting roof 3 in rectangular array, protection spout 33 internal fixation is provided with fixed slide bar 34, slide on the fixed slide bar 34 and be provided with butt piece 36, cup joint on the fixed slide bar 34 and be provided with joint spring 35 and with one side butt of butt piece 36, the fixed slider 51 slidable mounting on the fixed mainboard 5 is in joint spout 30, after installing to fixed position, joint groove 50 just in time is located the tip of joint post 37, at this moment, joint post 37 just in time pegging graft in joint groove 50 can fix fixed mainboard 5, when need carry out the dismouting to it, directly stir butt piece 36 by hand, can control the removal of joint post 37, and then the dismouting of this protection architecture is controlled, the dismouting process is simple, and is convenient.

Finally, referring to fig. 6, a plurality of mounting holes 10 are formed in a rectangular array on the circuit board body 1 for mounting.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a multilayer circuit board with protective structure, includes a plurality of circuit board body (1), protection roof (3) and protection bottom plate (2), its characterized in that, the below of protection roof (3) is rectangular array and is provided with a plurality of last positioning screw (31), go up threaded connection on positioning screw (31) and have last positioning bolt (32), the top of protection bottom plate (2) is rectangular array and is provided with a plurality of positioning screw (21) down, threaded connection has down positioning bolt (22) on positioning screw (21) down, upward be provided with circuit board body (1) on positioning screw (31) and lower positioning screw (21) respectively, cup joint on positioning screw (31) and lower positioning screw (21) between circuit board body (1) and be provided with location separating section of thick bamboo (6), the symmetry is provided with between protection roof (3) and protection bottom plate (2) and protects curb plate (4) and fixed mainboard (5).

2. The multilayer circuit board with the protection structure according to claim 1, wherein the opposite side of the protection top plate (3) and the protection bottom plate (2) is provided with a clamping sliding groove (30), two sides of the protection side plate (4) are symmetrically provided with clamping sliding blocks (41) and respectively arranged in the clamping sliding grooves (30) on the protection top plate (3) and the protection bottom plate (2) in a sliding manner, and two sides of the fixing main plate (5) are symmetrically provided with fixing sliding blocks (51) and respectively arranged in the clamping sliding grooves (30) on the protection top plate (3) and the protection bottom plate (2) in a sliding manner.

3. The multilayer circuit board with the protection structure according to claim 2, wherein the clamping grooves (50) are symmetrically formed on one side of the fixed sliding block (51) on one side of the fixed main board (5), and the clamping posts (37) are symmetrically arranged in the clamping sliding grooves (30) which are connected with the fixed sliding block (51) in a sliding manner below the protection top board (3) in a sliding manner and are clamped with the clamping grooves (50).

4. The multilayer circuit board with protective structure according to claim 3, characterized in that, a plurality of protection spouts (33) have been seted up to the top of protection roof (3) in rectangular array, protection spout (33) internal fixation is provided with fixed slide bar (34), fixed slide bar (34) are last to slide and are provided with butt piece (36), cup joint on fixed slide bar (34) and be provided with joint spring (35) and with one side butt of butt piece (36), joint post (37) are fixed to be set up on butt piece (36).

5. A multilayer circuit board with a protective structure according to claim 1, characterized in that two of the protective side plates (4) are located between two stationary main plates (5).

6. The multilayer circuit board with the protective structure according to claim 1, wherein a plurality of mounting holes (10) are formed in a rectangular array on the circuit board body (1).