Multilayer circuit board

Abstract

The utility model relates to the technical field of circuit boards, and particularly discloses a multilayer circuit board which comprises a bearing frame, a connecting frame is fixedly installed on one side face of the bearing frame, a dismounting assembly is arranged on the inner side of the bearing frame, and a protection assembly is arranged in the dismounting assembly. Through the arrangement of the dismounting assembly, the maintenance efficiency of workers can be improved, the maintenance workers can layer and position the parts to specific layers or elements with problems more quickly, the maintenance time is greatly shortened, losses caused by equipment shutdown are reduced, the maintenance cost is reduced, and the maintenance efficiency is improved. Meanwhile, the cost of replacing the whole circuit board possibly caused by maintenance difficulty is reduced, meanwhile, due to the arrangement of the protection assembly, a worker can conveniently take out the faulty circuit board, meanwhile, a certain degree of protection effect can be achieved in the circuit board taking-out process, use is easy and convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board, concretely to a multilayer circuit board. BACKGROUND

[0002] With the electronic technology from transistor into integrated circuit era, computer application gradually universal, the wiring capacity and transmission characteristic of multilayer board are higher, and the manufacturing method such as gap method, layer increasing method, plating through method is disclosed, wherein plating through method is still the mainstream manufacturing method of multilayer board, in recent years, with the progress of VLSI, miniaturization, high integration of electronic parts, multilayer board is forward to the direction of high function circuit.

[0003] However, the multilayer circuit board in the prior art is generally directly fixed and connected by using screws or buckle structures, when it is necessary to install or dismount the circuit board, the corresponding screws or buckle structures need to be completely dismounted, so that the circuit board can be taken out, and since the multilayer circuit board is composed of multiple circuit boards, if a circuit board of a certain layer fails, the circuit board needs to be dismounted block by block until the fault layer, so that the maintenance can be carried out, which is troublesome and inconvenient for maintenance. UTILITARIAN CONTENT

[0004] The utility model discloses a multilayer circuit board, to solve the problem that the multilayer circuit board in the prior art is generally directly fixed and connected by using screws or buckle structures, when it is necessary to install or dismount the circuit board, the corresponding screws or buckle structures need to be completely dismounted, so that the circuit board can be taken out, and since the multilayer circuit board is composed of multiple circuit boards, if a circuit board of a certain layer fails, the circuit board needs to be dismounted block by block until the fault layer, so that the maintenance can be carried out, which is troublesome and inconvenient for maintenance.

[0005] To achieve the above object, the utility model provides the following technical scheme: a multilayer circuit board, including bearing frame, the side surface of bearing frame is fixedly installed with connecting frame, and the inside of bearing frame is provided with dismounting assembly, and the inside of dismounting assembly is provided with protection assembly.

[0006] Among them, the dismounting assembly includes fixed frame, and the fixed frame is fixedly installed on the inside of the bearing frame, and the top surface of the fixed frame is fixedly installed with the limiting rod, and the top surface of the fixed frame is rotatably connected with the threaded rod, and the bearing frame is slidably connected with the sliding frame through the sliding groove arranged in the inside thereof.

[0007] Among them, the sliding frame is threadedly connected with the threaded rod through the threaded hole arranged in the inside thereof, and the sliding frame is slidably connected with the limiting rod through the sliding hole arranged in the inside thereof, and the outer portion of the threaded rod is fixedly installed with the friction pad.

[0008] The inside of the fixed frame is provided with a plurality of heat dissipation holes, and the top of the fixed frame and the bottom of the sliding frame are both fixedly installed with a positioning rod.

[0009] The outside of the positioning rod is slidably connected with a protection pad, and the top of the protection pad is fixedly installed with a circuit board.

[0010] The inside of the circuit board is fixedly installed with a protection cylinder through a through hole, the inside of the protection cylinder is slidably connected with the positioning rod, and the bottom of the sliding frame is fixedly installed with an insulating pad.

[0011] The utility model at least has the following beneficial effects:

[0012] The setting of the dismounting assembly can improve the maintenance efficiency of the staff, so that the maintenance personnel can more quickly layer the dismounting assembly, position to the layer or element where problems occur, greatly shorten the maintenance time, reduce the loss caused by equipment downtime, reduce the maintenance cost, and also reduce the cost of replacing the whole circuit board caused by the difficulty of maintenance. The setting of the protection assembly not only facilitates the staff to take out the faulty circuit board, but also protects the circuit board to a certain extent during the taking-out process, is simple and convenient to use, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0014] Fig. 2 It is an exploded three-dimensional structure schematic diagram of the utility model;

[0015] Fig. 3 It is an exploded protection assembly three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 4 It is an exploded dismounting assembly three-dimensional structure schematic diagram of the utility model.

[0017] In the drawing: 1, bearing frame; 2, connecting frame; 3, dismounting assembly; 31, threaded rod; 32, friction pad; 33, fixed frame; 34, limiting rod; 35, sliding frame; 36, positioning rod; 4, protection assembly; 41, insulating pad; 42, circuit board; 43, protection pad; 44, protection cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Referring to Figs. 1 to 4 The utility model provides a technical scheme: a multilayer circuit board, including bearing frame 1, the side surface of bearing frame 1 is fixedly installed with connecting frame 2, the inside of bearing frame 1 is provided with dismounting assembly 3, the inside of dismounting assembly 3 is provided with protection assembly 4;

[0020] Dismounting assembly 3 includes fixed frame 33, and fixed frame 33 is fixedly installed on the inside of bearing frame 1, and the top surface of fixed frame 33 is fixedly installed with limiting rod 34, and the top surface of fixed frame 33 is rotatably connected with threaded rod 31, and bearing frame 1 is slidably connected with sliding frame 35 through the slide groove arranged in its inside, and sliding frame 35 is threadedly connected with threaded rod 31 through the threaded hole arranged in its inside, and sliding frame 35 is slidably connected with limiting rod 34 through the sliding hole arranged in its inside, and the outside of threaded rod 31 is fixedly installed with friction pad 32, and the inside of fixed frame 33 is provided with a plurality of heat dissipation holes, and the top of fixed frame 33 and the bottom of sliding frame 35 are all fixedly installed with positioning rod 36, and protection assembly 4 includes protection pad 43, and the outside of positioning rod 36 is slidably connected with protection pad 43, and the top of protection pad 43 is fixedly installed with circuit board 42, and circuit board 42 is fixedly installed with protection cylinder 44 through the through hole arranged in its inside, and the inside of protection cylinder 44 is slidably connected with positioning rod 36, and the bottom of sliding frame 35 is fixedly installed with insulating pad 41.

[0021] When the circuit board 42 of the layer needing to be dismounted is dismounted, first of all, the friction pad 32 of the fault circuit board 42 is rotated to make threaded rod 31 rotate, so that sliding frame 35 moves, at this time, the positioning rod 36 at the bottom of sliding frame 35 moves out of protection cylinder 44, then when sliding frame 35 does not move, the protruding part of protection pad 43 can be used to remove the fault circuit board 42 from the positioning rod 36 on fixed frame 33, and in this process, the setting of protection cylinder 44 can prevent the direct contact between the fault circuit board 42 and the positioning rod 36, and the setting of protection pad 43 can not only facilitate the worker to take out the circuit board 42 without direct contact with the circuit board 42, so as to reduce or even avoid the damage of the circuit board 42 in the process of installation and dismounting, but also can reduce or even avoid the damage of the circuit board 42 due to the excessive extrusion of sliding frame 35 in the process of installing the circuit board 42 together with insulating pad 41.

[0022] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A multilayer wiring board comprising a carrier frame (1) : characterized by: One side of the bearing frame (1) is fixedly installed with a connecting frame (2), the inner side of the bearing frame (1) is provided with a dismounting assembly (3), the inside of the dismounting assembly (3) is provided with a protection assembly (4).

2. The multilayer wiring board according to claim 1, wherein: The dismounting assembly (3) comprises a fixing frame (33) fixedly installed on the inner side of the bearing frame (1), a limiting rod (34) fixedly installed on the top surface of the fixing frame (33), and a threaded rod (31) rotationally connected to the top surface of the fixing frame (33), wherein the bearing frame (1) is slidably connected with a sliding frame (35) through a sliding groove arranged in the bearing frame (1).

3. The multilayer wiring board according to claim 2, wherein: The sliding frame (35) is threadedly connected with the threaded rod (31) through a threaded hole arranged in the sliding frame (35), the sliding frame (35) is slidably connected with the limiting rod (34) through a sliding hole arranged in the sliding frame (35), and the outer portion of the threaded rod (31) is fixedly installed with a friction pad (32).

4. The multilayer wiring board according to claim 3, wherein: The inside of the fixing frame (33) is provided with a plurality of heat dissipation holes, and the top of the fixing frame (33) and the bottom of the sliding frame (35) are both fixedly installed with a positioning rod (36).

5. The multilayer wiring board according to claim 4, wherein: The protection assembly (4) comprises a protection pad (43), the outer portion of the positioning rod (36) is slidably connected with the protection pad (43), and the top of the protection pad (43) is fixedly installed with a circuit board (42).

6. The multilayer wiring board according to claim 5, wherein: The circuit board (42) is fixedly installed with a protection cylinder (44) through a through hole arranged in the circuit board (42), the inside of the protection cylinder (44) is slidably connected with the positioning rod (36), and the bottom of the sliding frame (35) is fixedly installed with an insulating pad (41).

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