CN218352796U

CN218352796U - PCB circuit board convenient to dismouting

Info

Publication number: CN218352796U
Application number: CN202222005744.5U
Authority: CN
Inventors: 景保林
Original assignee: Chengdu Luode High Tech Materials Technology Co ltd
Current assignee: Chengdu Luode High Tech Materials Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-20
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a PCB circuit board convenient to dismouting relates to PCB circuit board field, dismantles specialized tool such as needs screwdriver to current PCB circuit board installation, if do not have specialized tool then will lead to the problem that the unable installation of PCB board was dismantled, now proposes following scheme, including PCB circuit board main part, the four corners of PCB circuit board main part all is provided with the mounting hole, the mounting hole internal fixation is provided with the insulating lantern ring, insulating lantern ring department installs flexible mounting, it is connected with the gag lever post to rotate the connection between two flexible mountings of PCB circuit board main part tip, PCB circuit board main part is located the corresponding position rotation in gag lever post middle section and installs spacing subassembly. The utility model discloses no longer fix PCB circuit board through screw hole, abandon specialized tool, through this application design from the installation and the dismantlement of taking the subassembly to relax, the PCB circuit board is accomplished to the efficient, and the stability after the installation is high, and is simple more convenient during the dismantlement, suitable using widely.

Description

PCB circuit board convenient to dismouting

Technical Field

The utility model relates to a PCB circuit board field especially relates to a PCB circuit board convenient to dismouting.

Background

A Printed Circuit Board (PCB), or simply a printed circuit board, is one of the important components in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the components.

No matter the size of present PCB circuit board all passes the mounting hole on the plate body through the screw basically, and the screw precession screw is installed, and specialized tool such as screwdriver need be used to this kind of mounting means, and when needs installation dismantlement, need screw, back-out through this type of specialized tool to the screw, and is very inconvenient, and efficiency is lower, if do not have specialized tool then can lead to the unable installation of PCB board to dismantle, for this reason we design the PCB circuit board of the dismouting of being convenient for, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a PCB circuit board convenient to disassemble and assemble.

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

a PCB convenient to disassemble and assemble comprises a PCB main body, wherein mounting holes are formed in four corners of the PCB main body, insulating lantern rings are fixedly arranged in the mounting holes, telescopic fixing parts are mounted at the insulating lantern rings, a limiting rod is connected between the two telescopic fixing parts at the end part of the PCB main body in a rotating mode, and a limiting component is rotatably mounted at a position, corresponding to the middle section of the limiting rod, of the PCB main body;

the telescopic fixing piece comprises a telescopic rod, an elastic fixing strip, a spring and a limiting piece, wherein the telescopic rod penetrates through an insulating lantern ring, the elastic fixing strip is distributed at intervals around the part of the telescopic rod located on the lower side of the PCB circuit board main body, one end of the elastic fixing strip is fixed at the lower end of the insulating lantern ring, the other end of the elastic fixing strip is fixed at the lower end of the telescopic rod, the limiting piece is fixedly arranged at the upper end of the telescopic rod, the spring is sleeved on the part of the telescopic rod located on the upper side of the PCB circuit board main body, the upper end of the spring is fixed on the limiting piece, and the lower end of the spring is fixed at the upper end of the insulating lantern ring.

Preferably, spacing subassembly is L type structure, including short armed and long arm, short armed and long arm integrated into one piece are L shape, the junction of short armed and long arm is provided with the pivot, and spacing subassembly rotates through the pivot and installs in the corresponding PCB circuit board main part in gag lever post middle section, draw-in groove one, draw-in groove two have been equallyd divide at the edge of the corresponding side of short armed, long arm respectively.

Preferably, the height of the short arm is less than the height of the long arm.

Preferably, the outer side of the elastic fixing strip is provided with anti-slip strips along the length direction of the elastic fixing strip, and the outer side of the anti-slip strips is provided with anti-slip lines along the length direction of the anti-slip strips.

Preferably, the limiting pieces are provided with shaft sleeves, and two ends of the limiting rod are respectively rotatably installed in the shaft sleeves of the limiting pieces at two ends.

Preferably, the telescopic fixing piece is detachably inserted into a fixing screw hole of the PCB.

The utility model has the advantages that:

1. when the telescopic fixing piece is pressed downwards, the elastic fixing strip is straightened, so that the elastic fixing strip is attached to the telescopic rod and can be more easily inserted into the screw hole, the PCB main body is pressed, the telescopic fixing piece is loosened and stretched upwards, the elastic fixing strip is stretched and expanded outwards, the external anti-slip strip is clamped with the screw hole internal thread through the anti-slip lines on the surface, the lower half part of the telescopic fixing piece is clamped in the screw hole, and the PCB is installed;

2. when the telescopic fixing piece is disassembled, the elastic fixing strip is attached to the telescopic rod and is not contacted with the inner thread of the screw hole, so that friction is reduced, the telescopic fixing piece can be easily pulled out of the screw hole, and the PCB is disassembled;

3. when the gag lever post chucking was in the draw-in groove of spacing subassembly one, flexible mounting was in and pushes down limit state, the installation of being convenient for, and when the gag lever post chucking was in the draw-in groove two of spacing subassembly, flexible mounting was in and pulls up limit state, convenient to detach.

This novel design, simple structure, it is convenient to use, no longer fixes PCB circuit board through screw hole, abandons specialized tool, through this application design from taking the subassembly can relax, the efficient accomplishes the installation and the dismantlement of PCB circuit board, and the stability after the installation is high, and is simple more convenient during the dismantlement, suitable using widely.

Drawings

FIG. 1 is a schematic structural view of the telescopic fixing member of the present invention in a pulled-up state;

FIG. 2 is a schematic structural view of the retractable fixing member of the present invention in a pressed state;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic structural diagram of the limiting assembly of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a PCB circuit board convenient for disassembly and assembly comprises a PCB circuit board main body 1, mounting holes are arranged at four corners of the PCB circuit board main body 1, an insulating lantern ring 2 is fixedly arranged in the mounting holes, a telescopic fixing member 3 is arranged at the insulating lantern ring 2, a limiting rod 4 is rotatably connected between the two telescopic fixing members 3 at the end part of the PCB circuit board main body 1, and a limiting component 5 is rotatably arranged at a position of the PCB circuit board main body 1 corresponding to the middle section of the limiting rod 4;

the telescopic fixing part 3 comprises a telescopic rod 301, elastic fixing strips 302, springs 305 and limiting pieces 304, the telescopic rod 301 penetrates through the insulating sleeve ring 2, the elastic fixing strips 302 are distributed at intervals around the part, located on the lower side of the PCB circuit board main body 1, of the telescopic rod 301, anti-slip strips 303 are arranged on the outer sides of the elastic fixing strips 302 along the length direction of the elastic fixing strips, anti-slip lines are arranged on the outer sides of the anti-slip strips 303 along the length direction of the anti-slip strips, one ends of the elastic fixing strips 302 are fixed to the lower end of the insulating sleeve ring 2, the other ends of the elastic fixing strips are fixed to the lower end of the telescopic rod 301, the limiting pieces 304 are fixedly arranged at the upper end of the telescopic rod 301, shaft sleeves are arranged on the limiting pieces 304, two ends of the limiting rod 4 are rotatably arranged in the shaft sleeves of the limiting pieces 304 at two ends respectively, the part, located on the upper side of the PCB circuit board main body 1, of the telescopic rod 301 is sleeved with the springs 305, the upper ends of the springs 305 are fixed to the limiting pieces 304, and the lower ends of the insulating sleeve ring 2;

spacing subassembly 5 is L type structure, including short arm 501 and long arm 502, short arm 501 and long arm 502 integrated into one piece are L shape, and the junction of short arm 501 and long arm 502 is provided with pivot 503, and spacing subassembly 5 rotates through pivot 503 and installs on the corresponding PCB circuit board main part 1 in gag lever post 4 middle section, and draw-in groove one 504, draw-in groove two 505 have been seted up respectively to the edge of the corresponding side of short arm 501, long arm 502, and the height that highly is less than long arm 502 of short arm 501.

The telescopic fixing piece 3 is detachably inserted in a fixing screw hole of the PCB.

When the PCB main body 1 is installed, two hands hold two ends of the PCB main body 1, a thumb presses down a limiting rod 4, two ends of the limiting rod 4 press down a telescopic fixing piece 3, meanwhile, a limiting component 5 is rotated to enable a short arm 501 with lower height to be in a state of being vertical to the PCB main body 1, the limiting rod 4 is clamped in a first clamping groove 504, at the moment, an elastic fixing strip 302 is stretched straight, the elastic fixing strip 302 is attached to an expansion rod 301 and can be inserted into a screw hole more easily, the lower end of the expansion rod 301 and the elastic fixing strip 302 are inserted into the screw hole together, the limiting component 5 is rotated to enable the limiting rod 4 to be separated from the first clamping groove 504, the limiting is released, the PCB main body 1 is pressed, the fixing piece 3 is loosened and stretched upwards to be compressed, the elastic fixing strip 302 is expanded outwards to be in the shape of a lantern body, an external anti-skid strip 303 is mutually clamped with an internal thread of the screw hole through an anti-skid pattern on the surface in the process, a lower telescopic half part 3 is clamped in the screw hole, and then the fixing component 5 is rotated to enable a long arm 502 with higher height to be in a state of being vertical to be in the PCB main body 1, and the second clamping groove 505 of the PCB;

when PCB circuit board main part 1 need be dismantled, rotate spacing subassembly 5 for gag lever post 4 breaks away from draw-in groove 2, removes the restriction, pushes down gag lever post 4, and elasticity fixed strip 302 is straight, makes elasticity fixed strip 302 laminating telescopic link 301, and elasticity fixed strip 302 laminating telescopic link 301 does not contact with the screw internal thread, and the friction reduces, just can extract the screw with flexible mounting 3 very easily, accomplishes the dismantlement of PCB circuit board.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A PCB convenient to disassemble and assemble comprises a PCB main body (1), wherein mounting holes are formed in four corners of the PCB main body (1), and the PCB convenient to disassemble and assemble is characterized in that an insulating sleeve ring (2) is fixedly arranged in each mounting hole, telescopic fixing parts (3) are arranged at the position of each insulating sleeve ring (2), a limiting rod (4) is connected between the two telescopic fixing parts (3) at the end part of the PCB main body (1) in a rotating mode, and a limiting component (5) is rotatably arranged at the position, corresponding to the middle section of the limiting rod (4), of the PCB main body (1);

flexible mounting (3) include telescopic link (301), elastic fixation strip (302), spring (305) and spacing piece (304), insulating lantern ring (2) are passed in telescopic link (301), telescopic link (301) are located elastic fixation strip (302) of interval distribution around the part of PCB circuit board main part (1) downside, the lower extreme at insulating lantern ring (2) is fixed to the one end of elastic fixation strip (302), and the lower extreme at telescopic link (301) is fixed to the other end, spacing piece (304) are fixed to be set up the upper end at telescopic link (301), the part cover that telescopic link (301) are located PCB circuit board main part (1) upside is equipped with spring (305), the upper end of spring (305) is fixed on spacing piece (304), and the upper end at insulating lantern ring (2) is fixed to the lower extreme.

2. The PCB convenient to disassemble and assemble according to claim 1, wherein the limiting component (5) is of an L-shaped structure and comprises a short arm (501) and a long arm (502), the short arm (501) and the long arm (502) are integrally formed into an L shape, a rotating shaft (503) is arranged at the joint of the short arm (501) and the long arm (502), the limiting component (5) is rotatably installed on the PCB main body (1) corresponding to the middle section of the limiting rod (4) through the rotating shaft (503), and the edges of the corresponding side surfaces of the short arm (501) and the long arm (502) are respectively provided with a first clamping groove (504) and a second clamping groove (505).

3. An easy-to-dismount PCB circuit board according to claim 2, wherein the height of the short arm (501) is smaller than the height of the long arm (502).

4. The PCB easy to disassemble and assemble according to claim 1 or 2, wherein the outside of the elastic fixing strip (302) is provided with an anti-slip strip (303) along the length direction thereof, and the outside of the anti-slip strip (303) is provided with anti-slip lines along the length direction thereof.

5. A PCB circuit board convenient for dismounting according to claim 4, wherein the limiting sheet (304) is provided with a shaft sleeve, and two ends of the limiting rod (4) are respectively rotatably installed in the shaft sleeves of the limiting sheets (304) at the two ends.

6. A PCB circuit board convenient for dismounting according to claim 4, characterized in that the telescopic fixing member (3) is detachably inserted in a fixing screw hole of the PCB circuit board.