Double-sided multilayer circuit board convenient to overhaul

Abstract

The utility model relates to the technical field of circuit boards, in particular to a double-sided multilayer circuit board convenient to overhaul, which comprises a mounting frame, a fixing plate is mounted on the mounting frame through a mounting structure, a circuit board body is detachably connected onto the fixing plate, and the mounting structure comprises two mounting plates slidably connected in the fixing plate. The mounting plate is clamped with the mounting frame, a driving shaft is rotatably connected in the mounting plate, a rotating shaft is rotatably connected in the fixing plate, a rotating disc is fixedly connected in the rotating shaft, the rotating disc is rotatably connected with the fixing plate, a cam groove is formed in the rotating disc, and the driving shaft is in rolling fit with the cam groove; and the mounting plate and the mounting frame are clamped, so that the fixing plate and the mounting frame can be conveniently and quickly disassembled and assembled, and when the circuit board body needs to be overhauled, the circuit board body can be conveniently and quickly disassembled and overhauled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board, concretely to a double -sided multilayer circuit board convenient to overhaul belongs to circuit board technical field. BACKGROUND

[0002] Double -sided multilayer circuit board is a kind of circuit board, it has multilayer wiring layer, at least two layers are on the surface of circuit board, and the remaining layers are synthesized in insulating board, double -sided multilayer circuit board is suitable for widely high-tech industry, including telecommunication, power supply, computer, industrial control, digital product, medical equipment, automobile, aerospace defense etc.

[0003] However, when double -sided multilayer circuit board needs to be overhauled, since double -sided multilayer circuit board is locked and fixed between electric equipment by multiple bolts, when overhauling, double -sided multilayer circuit board is not convenient to quickly detach from electric equipment and overhaul. UTILITY MODEL CONTENTS

[0004] The utility model discloses a double -sided multilayer circuit board convenient to overhaul, through the installation of plate and installation frame clasp, it is convenient to quickly detach between fixed plate and installation frame, when needing to overhaul circuit board body, it is convenient to quickly detach circuit board body and overhaul.

[0005] The utility model discloses a double -sided multilayer circuit board convenient to overhaul through following technical scheme, a double -sided multilayer circuit board convenient to overhaul including installation frame, installation structure is installed on the installation frame and is equipped with fixed plate, the detachable connection of fixed plate is equipped with circuit board body, installation structure includes two installation plates of sliding connection in fixed plate, installation plate and installation frame clasp, rotation is connected with drive shaft in installation plate, rotation is connected with the shaft in fixed plate, fixed connection is equipped with the rotary table in the shaft, the rotary table is rotatably connected with fixed plate, cam groove is equipped in the rotary table, drive shaft and cam groove rolling fit.

[0006] Preferably, the installation plate is trapezoidal structure, and the rotating shaft is fixed with the fixed plate through the limiting structure.

[0007] Preferably, the limiting structure includes a slide column slidingly connected in the rotating shaft, a connecting plate is fixedly connected to the bottom of the slide column, a limiting rod is fixedly connected to the connecting plate, four limiting grooves are arranged on the bottom of the fixed plate, and the limiting rod is clamped with one of the limiting grooves.

[0008] Preferably, the top of the slide column is fixedly connected with a pressing block, and the pressing block is slidingly connected with the rotating shaft.

[0009] Preferably, a spring is connected between the pressing block and the rotating shaft, one end of the spring is fixedly connected to the pressing block, and the other end is fixedly connected to the rotating shaft.

[0010] Preferably, the pressing block is hexagonal, and the limiting rod is arranged perpendicular to the connecting plate.

[0011] Preferably, the four limiting grooves are distributed in a circular array about the center of the rotating shaft, and the limiting rod has a trapezoidal structure.

[0012] Preferably, the circuit board body is mounted on the fixing plate via a fixing structure, the fixing structure includes a threaded sleeve fixedly connected to the fixing plate, the circuit board body is slidably connected to the threaded sleeve, a bolt is threadedly connected to the threaded sleeve, a fixing ring is fixedly connected to the bottom of the bolt, and the fixing ring is slidably connected to the threaded sleeve.

[0013] Preferably, a ball is rollingly connected in the fixing ring, and the ball is rollingly connected to the circuit board body.

[0014] Preferably, the top of the bolt is provided with an inner hexagonal groove for use with a hexagonal wrench, and the cross-section of the threaded sleeve is a "concave" structure.

[0015] The beneficial effects of the utility model are as follows: a fixing plate is installed on the mounting frame through the mounting structure, the fixing plate is detachably connected to the circuit board body, the mounting plate is engaged with the mounting frame, a driving shaft is rotatably connected in the mounting plate, a rotating shaft is rotatably connected in the fixing plate, a turntable is fixedly connected in the rotating shaft, the turntable is rotatably connected to the fixing plate, a cam groove is provided in the turntable, the driving shaft and the cam groove are rollingly matched, and the mounting plate is engaged with the mounting frame, so that the fixing plate and the mounting frame can be quickly disassembled and assembled, and when the circuit board body needs to be inspected, the circuit board body can be quickly disassembled for inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between the mounting plate and the mounting frame of the present invention;

[0018] Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown;

[0019] Figure 4 This is a schematic diagram of the connection structure between the fixing ring and the bolt of the utility model;

[0020] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown;

[0021] Figure 6 The connecting structure schematic view of the fixed plate and the mounting frame of the utility model;

[0022] Figure 7 The Figure 6 The C part enlarged schematic view shown in the figure;

[0023] Figure 8 The connecting structure schematic view of the drive shaft and the mounting plate of the utility model;

[0024] Figure 9 The structure schematic view of the mounting frame of the utility model.

[0025] In the figure: 1, mounting frame; 2, fixed plate; 3, circuit board body; 4, mounting structure; 401, mounting plate; 402, drive shaft; 403, turntable; 404, cam groove; 405, rotating shaft; 5, limiting structure; 501, sliding column; 502, connecting plate; 503, limiting rod; 504, limiting groove; 505, pressing block; 506, spring; 6, fixed structure; 601, threaded sleeve; 602, bolt; 603, fixed ring; 604, ball. DETAILED DESCRIPTION

[0026] 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 protection scope of the utility model.

[0027] Please refer to Figures 1-9 As shown in the figure, a double-sided multilayer circuit board convenient to overhaul, including mounting frame 1, the mounting frame 1 is installed with fixed plate 2 through mounting structure 4, the fixed plate 2 is detachably connected with circuit board body 3, the mounting structure 4 includes two mounting plates 401 that are slidably connected in the fixed plate 2, the mounting plate 401 is clamped with mounting frame 1, the drive shaft 402 is rotatably connected in the mounting plate 401, the rotating shaft 405 is rotatably connected in the fixed plate 2, the turntable 403 is fixedly connected in the rotating shaft 405, the turntable 403 is rotatably connected with fixed plate 2, the cam groove 404 is equipped in the turntable 403, the drive shaft 402 and cam groove 404 are rolling fit.

[0028] As a technical optimization scheme of the utility model, the mounting plate 401 is in trapezoidal structure, the pivot 405 is fixed with the fixed plate 2 through the limiting structure 5, and the mounting plate 401 is clamped with the mounting frame 1, so that the fixed plate 2 and the mounting frame 1 can be quickly disassembled, and the circuit board body 3 can be quickly disassembled for maintenance when the circuit board body 3 needs to be maintained.

[0029] As a technical optimization scheme of the utility model, the limiting structure 5 includes a sliding column 501 slidably connected in the pivot 405, the sliding column 501 is fixedly connected with a connecting plate 502 at the bottom, the connecting plate 502 is fixedly connected with a limiting rod 503, the fixed plate 2 is provided with four limiting grooves 504 at the bottom, the limiting rod 503 is clamped with one of the limiting grooves 504, the top of the sliding column 501 is fixedly connected with a pressing block 505, the pressing block 505 is slidably connected with the pivot 405, a spring 506 is connected between the pressing block 505 and the pivot 405, one end of the spring 506 is fixedly connected with the pressing block 505, and the other end is fixedly connected with the pivot 405, the pressing block 505 is in hexagonal shape, the limiting rod 503 is vertically arranged with the connecting plate 502, the four limiting grooves 504 are circumferentially arranged about the center of the pivot 405, the limiting rod 503 is in trapezoidal structure, first, the circuit board body 3 and the fixed plate 2 are installed in the electronic equipment through the mounting frame 1, when the circuit board body 3 needs to be maintained, the pressing block 505 is pressed by an internal hexagonal wrench, the spring 506 is retracted when the pressing block 505 slides into the pivot 405, and the sliding column 501 is driven to slide, the connecting plate 502 is driven to move, the limiting rod 503 is driven to disengage from one of the limiting grooves 504, at this time, the pivot 405 is rotated by ninety degrees by the internal hexagonal wrench, the pivot 405 drives the rotating disc 403 to rotate, the driving shaft 402 rolls in the cam groove 404 when the rotating disc 403 rotates, the two driving shafts 402 drive the two mounting plates 401 to move towards each other, after rotating by ninety degrees, the internal hexagonal wrench is pulled out, the limiting rod 503 is clamped with the limiting groove 504 under the action of the spring 506, the limiting rod 503 is clamped with the fixed plate 2, so that the pivot 405 after rotation can be fixed, the stability is improved, at this time, the two mounting plates 401 are no longer clamped with the mounting frame 1, the fixed plate 2 can be disassembled from the mounting frame 1, and the circuit board body 3 can be maintained.

[0030] As a technical optimization scheme of the utility model, the fixed plate 2 is provided with the circuit board body 3 through the fixed structure 6, the fixed structure 6 includes the threaded sleeve 601 fixedly connected on the fixed plate 2, the circuit board body 3 is slidably connected on the threaded sleeve 601, the bolt 602 is threadedly connected on the threaded sleeve 601, the fixed ring 603 is fixedly connected on the bottom of the bolt 602, the fixed ring 603 is slidably connected with the threaded sleeve 601, the ball 604 is rollingly connected in the fixed ring 603, the ball 604 is rollingly connected with the circuit board body 3, the inner hexagonal groove matched with the hexagonal wrench is arranged on the top of the bolt 602, the cross section of the threaded sleeve 601 is concave structure, when the circuit board body 3 is installed on the fixed plate 2, first, the circuit board body 3 is inserted with the threaded sleeve 601, after inserting, the bolt 602 is threadedly matched with the threaded sleeve 601, the fixed ring 603 is continuously moved downwards, the ball 604 is moved downwards with the fixed ring 603, when the ball 604 is contacted with the circuit board body 3, the fixed ring 603 drives the ball 604 to roll with the circuit board body 3 by rotating the bolt 602, the ball 604 is rollingly matched with the circuit board body 3, the abrasion of the circuit board body 3 is reduced, the ball 604 is continuously moved downwards by the bolt 602, the circuit board body 3 is conveniently fixed on the fixed plate 2.

[0031] The utility model discloses a fixing plate 2 is installed in the electronic equipment through the installation frame 1 when using, when needing to overhaul the circuit board body 3, through the inner hexagonal wrench presss the press block 505, the press block 505 slide in the pivot 405, and spring 506 contracts when sliding, simultaneously drive the slide column 501 to slide, and the slide column 501 drive the connecting plate 502 movement, make the connecting plate 502 drive the spacing rod 503 no longer with one of spacing slot 504 engagement, when through the inner hexagonal wrench drive pivot 405 rotates ninety degrees, pivot 405 will drive the carousel 403 rotation, carousel 403 rotates drive shaft 402 in cam groove 404 rolling fit, two drive shafts 402 will drive two mounting plates 401 towards movement, when rotating ninety degrees, pull out the inner hexagonal wrench, make spacing rod 503 with spacing slot 504 engagement under the action of spring 506, through spacing rod 503 with fixed plate 2 engagement, it is convenient to fix the pivot 405 after rotation, improve the stability, when two mounting plates 401 no longer with installation frame 1 engagement, can with fixed plate 2 from installation frame 1 dismount, overhaul the circuit board body 3, through the mounting plate 401 with installation frame 1 engagement, it is convenient to quickly dismount between fixed plate 2 and installation frame 1, when needing to overhaul the circuit board body 3, it is convenient to quickly dismantle the circuit board body 3 and overhaul, when installing the circuit board body 3 on fixed plate 2, first, the circuit board body 3 is inserted with threaded sleeve 601, after inserting, through bolt 602 with threaded sleeve 601 screw thread cooperation, with fixed ring 603 constantly moving downwards, make fixed ring 603 with ball 604 move downwards, when ball 604 with circuit board body 3 resistance, when rotating bolt 602, will make fixed ring 603 drive ball 604 and circuit board body 3 roll, and ball 604 and circuit board body 3 roll fit, reduce the abrasion of circuit board body 3, and bolt 602 constantly drive ball 604 to move downwards, it is convenient to fix the circuit board body 3 on fixed plate 2.

[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can realize the utility model in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A double-sided multilayer wiring board which is convenient for maintenance, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with a fixed plate (2) mounted through a mounting structure (4), the fixed plate (2) is detachably connected with a circuit board body (3), the mounting structure (4) comprises two mounting plates (401) slidably connected in the fixed plate (2), the mounting plates (401) are clamped with the mounting frame (1), a driving shaft (402) is rotatably connected in the mounting plate (401), a rotating shaft (405) is rotatably connected in the fixed plate (2), a rotating disc (403) is fixedly connected in the rotating shaft (405), the rotating disc (403) is rotatably connected with the fixed plate (2), a cam groove (404) is arranged in the rotating disc (403), and the driving shaft (402) is rollingly matched with the cam groove (404).

2. The double-sided multilayer circuit board of claim 1, wherein: The mounting plate (401) is in a trapezoidal structure, and the rotating shaft (405) is fixed with the fixed plate (2) through a limiting structure (5).

3. The double-sided multilayer circuit board of claim 2, wherein: The limiting structure (5) comprises a sliding column (501) slidably connected in the rotating shaft (405), a connecting plate (502) is fixedly connected to the bottom of the sliding column (501), a limiting rod (503) is fixedly connected to the connecting plate (502), four limiting grooves (504) are arranged at the bottom of the fixed plate (2), and the limiting rod (503) is clamped with one of the limiting grooves (504).

4. The double-sided multilayer circuit board of claim 3, wherein: The top of the sliding column (501) is fixedly connected with a pressing block (505), and the pressing block (505) is slidably connected with the rotating shaft (405).

5. The double-sided multilayer circuit board of claim 4, wherein: A spring (506) is connected between the pressing block (505) and the rotating shaft (405), one end of the spring (506) is fixedly connected with the pressing block (505), and the other end is fixedly connected with the rotating shaft (405).

6. The double-sided multilayer circuit board of claim 5, wherein: The pressing block (505) is in a hexagonal shape, and the limiting rod (503) is arranged perpendicularly to the connecting plate (502).

7. The double-sided multilayer circuit board of claim 6, wherein: The four limiting grooves (504) are arranged in a circumferential array about the center of the rotating shaft (405), and the limiting rod (503) is in a trapezoidal structure.

8. The double-sided multilayer circuit board of claim 1, wherein: The fixed plate (2) is provided with a circuit board body (3) mounted through a fixing structure (6), the fixing structure (6) comprises a threaded sleeve (601) fixedly connected to the fixed plate (2), the circuit board body (3) is slidably connected to the threaded sleeve (601), a bolt (602) is threadedly connected to the threaded sleeve (601), a fixed ring (603) is fixedly connected to the bottom of the bolt (602), and the fixed ring (603) is slidably connected with the threaded sleeve (601).

9. The double-sided multilayer circuit board of claim 8, wherein: Rolling balls (604) are rollingly connected in the fixed ring (603), and the rolling balls (604) are rollingly connected with the circuit board body (3).

10. The double-sided multilayer circuit board of claim 9, wherein: An internal hexagonal groove is arranged at the top of the bolt (602) and is matched with a hexagonal wrench, and the cross section of the threaded sleeve (601) is in a "concave" structure.

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