CN219145710U

CN219145710U - Composite PCB board with intermediate layer

Info

Publication number: CN219145710U
Application number: CN202223248017.8U
Authority: CN
Inventors: 杨立志; 陈飞云; 冉东明
Original assignee: Jiangxi Jiyan Xinyang Electronics Co ltd
Current assignee: Jiangxi Jiyan Xinyang Electronics Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-06
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a composite PCB with an interlayer, which comprises a circuit board, wherein mounting holes at four corners of the circuit board are sleeved with mounting heads, the bottoms of the mounting heads are fixedly connected with butt sleeves, connecting grooves are formed in the butt sleeves, threaded blocks are connected in the connecting grooves, and the threaded blocks are mounted on fixed blocks. This compound PCB board with intermediate layer installs on the mounting hole on the circuit board through installation head and fixed block, and rotate the fixed block, thereby make fixed block and butt joint cover compress tightly the four corners of circuit board and fix a position, and then avoid the condition that the circuit board comes to come unstuck to install on the support frame of equipment at the fixed block after, the pressure of bolt can squeeze the piece, make squeeze the piece flexible in toward the butt joint cover, afterwards the bullet piece can give the extrusion piece an elasticity, thereby make the extrusion piece be in the condition for the extrusion piece elasticity all the time, can avoid the bolt not hard up condition to appear.

Description

Composite PCB board with intermediate layer

Technical Field

The utility model relates to the technical field of composite type Printed Circuit Boards (PCB), in particular to a composite type PCB with an interlayer.

Background

The composite PCB is one of the circuit boards, and is usually formed by combining and installing several layers of circuit boards during production, so that a sandwich composite PCB is formed, and when the composite PCB is used, the composite PCB and a corresponding circuit are connected in a butt joint mode, so that the composite PCB is installed.

The prior art scheme has the following problems when in use: when compound PCB board installation, compound PCB board is mainly through the mode of middle gum cover bonding, later with compound PCB board pressure fit together, can make compound PCB board can take place the condition of coming unstuck after long-time use, therefore this scheme proposes the scheme of a reinforcement compound PCB board to avoid the condition of coming unstuck.

Improvements to the above problems are needed to meet market demands.

Disclosure of Invention

The utility model aims to provide a composite PCB with an interlayer, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compound PCB board with intermediate layer, includes the circuit board, the installation head has been cup jointed on the mounting hole in four corners of circuit board, the bottom fixedly connected with docking sleeve of installation head, the spread groove has been seted up to the inside of docking sleeve, the internally connected of spread groove has the screw thread piece, the screw thread piece is installed on the fixed block.

Preferably, the circuit board comprises a PCB substrate, a rubber sleeve and a metal substrate plate, wherein the rubber sleeve is smeared at the bottom of the PCB substrate, and the rubber sleeve is adhered to the surface of the metal substrate plate.

Preferably, the outer wall of the thread block is provided with threads, and the thread block forms a thread lifting movable structure with the inner wall of the butt joint sleeve through the connecting groove.

Preferably, elastic blocks are arranged on the surfaces of two sides of the butt joint sleeve, and one end, far away from the butt joint sleeve, of each elastic block is connected with an extrusion block.

Preferably, the bottom surface fixedly connected with engaging lug of extrusion piece, engaging lug swing joint has butt joint cover and fixed block.

Preferably, a sliding connection structure is arranged between the butt joint sleeve, the fixed block and the connecting lug.

Compared with the prior art, the utility model has the beneficial effects that: this compound PCB board with intermediate layer, through circuit board, the installation head, the butt joint cover, the spread groove, the screw thread piece, mutually support between the fixed block, make installation head and fixed block install on the mounting hole on the circuit board, and rotate the fixed block, thereby make fixed block and butt joint cover compress tightly the four corners of circuit board and fix a position, and then avoid the circuit board to appear the condition of coming unstuck, and after the fixed block is installed on the support frame of equipment, the pressure of bolt can squeeze the piece, make squeeze the piece and stretch out and draw back in the butt joint cover, afterwards the bullet piece can give the extrusion piece an elasticity, thereby make the extrusion piece be in the condition for the extrusion piece elasticity all the time, can avoid the bolt not hard up condition to appear.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the mounting head and mounting block of the present utility model;

FIG. 3 is a schematic view of the mounting head of the present utility model in a bottom view;

fig. 4 is a schematic view showing a front cross-sectional structure of the mounting head and the fixing block of the present utility model.

In the figure: 1. a circuit board; 2. a mounting head; 3. a butt joint sleeve; 4. a connecting groove; 5. a screw block; 6. a fixed block; 7. a spring block; 8. extruding a block; 9. and a connecting lug.

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. 1-4, the present utility model provides a technical solution: the utility model provides a compound PCB board with intermediate layer, includes circuit board 1, install head 2 has been cup jointed on the mounting hole in the four corners of circuit board 1, the bottom fixedly connected with butt joint cover 3 of installation head 2, spread groove 4 has been seted up to the inside of butt joint cover 3, the internal connection of spread groove 4 has screw thread piece 5, screw thread piece 5 is installed on fixed block 6.

Referring to fig. 1, a circuit board 1 includes a PCB substrate 101, a glue cover 102 and a metal substrate 103, wherein the glue cover 102 is coated on the bottom of the PCB substrate 101, the glue cover 102 is adhered to the surface of the metal substrate 103, the glue cover 102 is coated on the bottom of the PCB substrate 101, and then the metal substrate 103 is adhered to the glue cover 102 and is pressed by a pressing machine, so that the circuit board 1 is assembled.

Referring to fig. 2 and 3, the outer wall of the threaded block 5 is provided with threads, the threaded block 5 forms a threaded lifting movable structure with the inner wall of the butt joint sleeve 3 through the connecting groove 4, the threaded block 5 is in threaded connection with the butt joint sleeve 3, the threaded block 5 can be mounted on the butt joint sleeve 3, and the connection height between the butt joint sleeve 3 and the threaded block 5 can be adjusted according to the tightening degree of the threads.

Referring to fig. 4, elastic blocks 7 are installed on the surfaces of two sides of the butt joint sleeve 3, one end, far away from the butt joint sleeve 3, of the elastic blocks 7 is connected with an extrusion block 8, and elastic acting force can be always given to the extrusion block 8 by the elastic action of the elastic blocks 7.

Referring to fig. 4, a connecting lug 9 is fixedly connected to the bottom surface of the extrusion block 8, the connecting lug 9 is movably connected with the docking sleeve 3 and the fixing block 6, when the extrusion block 8 moves, the extrusion block 8 can slide in the docking sleeve 3, and the extrusion block 8 can slide in the docking sleeve 3 along with the sliding of the extrusion block 8.

Referring to fig. 4, a sliding connection structure is provided between the docking sleeve 3 and the fixing block 6 and the connecting lug 9, and the sliding distance can slide inside the docking sleeve 3 and the fixing block 6 through the connecting lug 9, and the sliding distance is limited by the grooved distance inside the docking sleeve 3 and the fixing block 6.

To sum up: as shown in fig. 1-4, when the composite PCB board with the interlayer is used, firstly, after the circuit board 1 is assembled, the mounting head 2 and the fixing block 6 are selected for butt joint, then the fixing block 6 is rotated, so that the threaded block 5 on the fixing block 6 is in threaded connection with the butt joint sleeve 3, the butt joint sleeve 3 can be mounted on the threaded block 5, thereby the fixing block 6 and the butt joint sleeve 3 are mounted together, then the fixing block 6 and the butt joint sleeve 3 are in butt joint with the mounting frame, the circuit board 1 is mounted on the circuit by using the bolt, after the bolt is screwed, the surface of the bolt can squeeze the block 8, the squeeze block 7 deforms until the squeeze block 8 is squeezed at the maximum force, namely, the mounting stability of the circuit board 1 is ensured, and the squeeze block 8 can also give the bolt extrusion force, so that the bolt can be prevented from falling off.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound PCB board with intermediate layer, includes circuit board (1), its characterized in that: install head (2) have been cup jointed on the mounting hole in four corners of circuit board (1), the bottom fixedly connected with docking sleeve (3) of installation head (2), spread groove (4) have been seted up to the inside of docking sleeve (3), the internal connection of spread groove (4) has screw thread piece (5), screw thread piece (5) are installed on fixed block (6).

2. The composite PCB with interlayer of claim 1, wherein: the circuit board (1) comprises a PCB base material (101), a rubber sleeve (102) and a metal base material plate (103), wherein the rubber sleeve (102) is smeared at the bottom of the PCB base material (101), and the rubber sleeve (102) is adhered to the surface of the metal base material plate (103).

3. The composite PCB with interlayer of claim 1, wherein: the outer wall of the thread block (5) is provided with threads, and the thread block (5) forms a thread lifting movable structure with the inner wall of the butt joint sleeve (3) through the connecting groove (4).

4. The composite PCB with interlayer of claim 1, wherein: elastic blocks (7) are arranged on the surfaces of the two sides of the butt joint sleeve (3), and one end, far away from the butt joint sleeve (3), of each elastic block (7) is connected with an extrusion block (8).

5. The composite PCB with interlayer of claim 4, wherein: the bottom surface of the extrusion block (8) is fixedly connected with a connecting lug (9), and the connecting lug (9) is movably connected with a butt joint sleeve (3) and a fixed block (6).

6. The composite PCB with interlayer of claim 5, wherein: the butt joint sleeve (3), the fixed block (6) and the connecting lug (9) are in a sliding connection structure.