PCB circuit board convenient to install

Abstract

The utility model discloses a PCB circuit board convenient to install, comprising a board body and an outer frame arranged on four sides of the board body, the outer frame comprises a frame body, an installation groove, a movable installation sheet, an installation hole, a threaded column, a through strip-shaped groove and a threaded rotary ring, the installation groove is arranged on four side surfaces of the frame body, the movable installation sheet is slidably installed in the installation groove, the installation hole is arranged in the installation groove, and the threaded column is arranged in the installation groove. The outer end extends out of the mounting groove and is provided with a mounting hole; by arranging the outer frame on the outer edge of the board body, during installation, the movable installation sheets in the outer frame can be moved, and the positions of the installation holes can be adjusted, so that the installation holes are completely aligned with butt-joint holes in an installation surface, through the design, the flexibility during fixed installation of the circuit board is improved, and even if errors exist between the installation holes and the butt-joint holes, the installation efficiency is improved. And the circuit board can be adapted by adjusting the positions of the mounting holes, so that the circuit board can be fixed and mounted more conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit boards, and in particular relates to a PCB circuit board that is easy to install. Background Art

[0002] A circuit board is a carrier for the electrical connection of electronic components that can miniaturize and visualize circuits. It plays an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Mounting holes are generally provided at the four corners of the circuit board. During installation, it is necessary to pre-set docking holes on the mounting surface and use a small bolt structure to fix the mounting holes and docking holes together to complete the fixed installation of the circuit board.

[0003] However, the existing circuit boards have certain shortcomings during the installation process. The preset docking holes and mounting holes on the mounting surface are sometimes not completely aligned, and misalignment is inevitable. This makes installation inconvenient and requires re-drilling holes. At the same time, the method of connecting the mounting holes and docking holes at fixed points is not flexible enough, which causes certain troubles in the installation of the circuit boards. Therefore, it is necessary to design a new circuit board to solve this problem. Utility Model Content

[0004] The purpose of the present invention is to provide a PCB circuit board that is easy to install, so as to solve the problem in the above background technology that the fixed installation of the circuit board is not flexible enough and it is inconvenient to install once the installation hole has an error.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a PCB circuit board that is easy to install, comprising a board body and an outer frame arranged on the four sides of the board body, the outer frame comprising a frame body, a mounting groove, a movable mounting piece, a mounting hole, a threaded column, a through-strip groove and a threaded rotating ring, the mounting groove being opened on the four sides of the frame body, the movable mounting piece being slidably installed inside the mounting groove, the outer end of which extends out of the mounting groove and is provided with a mounting hole, the threaded column being fixed to the top of the inner end of the movable mounting piece and passing through the through-strip groove opened on the upper wall of the mounting groove, the threaded rotating ring being threadedly connected to the top end of the threaded column extending out.

[0006] Preferably, the outer surface of the threaded ring is provided with anti-slip grooves, and the bottom surface of the threaded ring is provided with a rubber pad.

[0007] Preferably, the outer frame further comprises a limiting slider and a limiting strip groove, wherein the limiting slider is fixed to the bottom of the inner end of the movable mounting piece and is slidably connected to the limiting strip groove provided on the lower wall of the mounting groove.

[0008] Preferably, there are eight movable mounting pieces in total, and they are evenly distributed on the four sides of the frame.

[0009] Preferably, support components are provided at the bottom of the four corners of the frame, and the support components include a base, an inner groove, a rubber block, a bottom hole and a support column. The base is fixed to the bottom surface of the frame, the inner groove is opened inside the base, the rubber block is fixedly installed inside the inner groove, the bottom hole is opened through the bottom of the inner groove, and the support column is installed inside the bottom hole, with its top end abutting against the rubber block and its bottom end extending out of the bottom hole.

[0010] Preferably, the support assembly further includes a suction cup base pad, which is fixed to the bottom end of the support column.

[0011] Preferably, the support assembly further includes an anti-slip sheet and an anti-slip groove, wherein the anti-slip sheet is symmetrically fixed on both sides of the support column and is slidably engaged with the anti-slip groove provided on the inner wall of the bottom hole.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] By setting an outer frame on the outer edge of the board body, the movable mounting piece inside the outer frame can be moved during installation so that the position of the mounting hole can be adjusted so as to be completely aligned with the docking hole on the mounting surface. This design improves the flexibility of the circuit board during fixed installation. Even if there is an error between the mounting hole and the docking hole, it can be adapted by adjusting the position of the mounting hole, making it easier to fix the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 Enlarged schematic diagram of area A in the middle;

[0016] Figure 3 For this utility model Figure 1 Side cross-sectional view of area A in the middle;

[0017] Figure 4 For this utility model Figure 1 Side cross-sectional view of area B in the middle;

[0018] In the figure: 100, plate; 200, outer frame; 201, frame; 202, mounting groove; 203, movable mounting plate; 204, mounting hole; 205, threaded column; 206, through-strip groove; 207, threaded ring; 208, limiting slider; 209, limiting strip groove; 300, support assembly; 301, base; 302, inner groove; 303, rubber block; 304, bottom hole; 305, support column; 306, suction cup bottom pad; 307, anti-slip sheet; 308, anti-slip groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0020] See also Figures 1 to 4 , is an embodiment of the utility model, which provides a technical solution: a PCB circuit board that is easy to install, including a board body 100 and an outer frame 200 arranged on the four sides of the board body 100, the outer frame 200 includes a frame body 201, a mounting groove 202, a movable mounting piece 203, a mounting hole 204, a threaded column 205, a through-strip groove 206 and a threaded ring 207, the mounting groove 202 is opened on the four sides of the frame body 201, the movable mounting piece 203 is slidably installed in the interior of the mounting groove 202, and its outer end extends out of the mounting groove 202 and is opened with a mounting hole 204, There are eight movable mounting pieces 203 in total, which are evenly distributed on the four sides of the frame 201. The movable mounting piece 203 can be moved to align the mounting hole 204 with the external docking hole and fixed with bolts to complete the installation of the circuit board. The threaded column 205 is fixed to the top of the inner end of the movable mounting piece 203 and passes through the through strip groove 206 opened on the upper wall of the mounting groove 202. The threaded ring 207 is threadedly connected to the top end of the threaded column 205. After the movable mounting piece 203 is moved, the threaded ring 207 can be tightened to fix the movable mounting piece 203.

[0021] In this embodiment, preferably, the outer surface of the threaded ring 207 is provided with anti-slip grooves to facilitate the screwing of the threaded ring 207, and a rubber pad is provided on the bottom surface of the threaded ring 207. After the threaded ring 207 is tightened, the rubber pad can improve the connection stability between the threaded ring 207 and the frame 201.

[0022] In this embodiment, preferably, the outer frame 200 also includes a limiting slider 208 and a limiting strip groove 209. The limiting slider 208 is fixed to the bottom of the inner end of the movable mounting piece 203, and is slidably connected to the limiting strip groove 209 opened on the lower wall of the mounting groove 202, thereby playing a limiting role and allowing the movable mounting piece 203 to slide stably inside the mounting groove 202.

[0023] In this embodiment, preferably, support assemblies 300 are provided at the bottom of the four corners of the frame 201, which can support the circuit board and allow the circuit board to be suspended in the air. The support assembly 300 includes a base 301, an inner groove 302, a rubber block 303, a bottom hole 304 and a support column 305. The base 301 is fixed to the bottom surface of the frame 201, the inner groove 302 is opened inside the base 301, the rubber block 303 is fixedly installed inside the inner groove 302, and the bottom hole 304 is opened through the bottom of the inner groove 302. The support column 305 is installed inside the bottom hole 304, and its top end is against the rubber block 303, and the bottom end extends out of the bottom hole 304. The support column 305 can support the circuit board to be suspended in the air, and the rubber block 303 can play a buffering and protective role during the installation process.

[0024] In this embodiment, preferably, the support assembly 300 further includes a suction cup base pad 306 , which is fixed to the bottom end of the support column 305 . When the circuit board is installed, the suction cup base pad 306 can be adsorbed onto the installation surface to improve stability.

[0025] In this embodiment, preferably, the support assembly 300 also includes an anti-slip sheet 307 and an anti-slip groove 308. The anti-slip sheet 307 is symmetrically fixed on both sides of the support column 305, and is slidably engaged with the anti-slip groove 308 opened on the inner wall of the bottom hole 304, thereby playing an anti-slip role and preventing the support column 305 from falling off.

[0026] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB circuit board that is easy to install, comprising a board body (100) and an outer frame (200) arranged on four sides of the board body (100), characterized in that: The outer frame (200) comprises a frame body (201), a mounting groove (202), a movable mounting plate (203), a mounting hole (204), a threaded column (205), a through-strip groove (206) and a threaded ring (207), wherein the mounting groove (202) is provided on four sides of the frame body (201), the movable mounting plate (203) is slidably mounted inside the mounting groove (202), and its outer end extends out of the mounting groove (202) and is provided with a mounting hole (204), the threaded column (205) is fixed to the top of the inner end of the movable mounting plate (203) and passes through the through-strip groove (206) provided on the upper wall of the mounting groove (202), and the threaded ring (207) is threadedly connected to the top end of the threaded column (205).

2. The PCB circuit board that is easy to install according to claim 1, characterized in that: The outer surface of the threaded ring (207) is provided with anti-slip grooves, and the bottom surface of the threaded ring (207) is provided with a rubber pad.

3. The PCB circuit board that is easy to install according to claim 1, characterized in that: The outer frame (200) further comprises a limiting slider (208) and a limiting strip groove (209), wherein the limiting slider (208) is fixed to the bottom of the inner end of the movable mounting plate (203) and is slidably connected to the limiting strip groove (209) provided on the lower wall of the mounting groove (202).

4. The PCB circuit board that is easy to install according to claim 1, characterized in that: There are eight movable mounting pieces (203) in total, and they are evenly distributed on the four sides of the frame (201).

5. The PCB circuit board that is easy to install according to claim 1, characterized in that: Support assemblies (300) are provided at the bottom of the four corners of the frame (201). The support assembly (300) comprises a base (301), an inner groove (302), a rubber block (303), a bottom hole (304) and a support column (305). The base (301) is fixed to the bottom surface of the frame (201), the inner groove (302) is opened inside the base (301), the rubber block (303) is fixedly installed inside the inner groove (302), the bottom hole (304) is opened through the bottom of the inner groove (302), and the support column (305) is installed inside the bottom hole (304), with its top end abutting against the rubber block (303) and its bottom end extending out of the bottom hole (304).

6. The PCB circuit board that is easy to install according to claim 5, characterized in that: The support assembly (300) further comprises a suction cup base pad (306), and the suction cup base pad (306) is fixed to the bottom end of the support column (305).

7. The PCB circuit board that is easy to install according to claim 6, characterized in that: The support assembly (300) further comprises an anti-slip sheet (307) and an anti-slip groove (308), wherein the anti-slip sheet (307) is symmetrically fixed on both sides of the support column (305) and is slidably engaged with the anti-slip groove (308) provided on the inner wall of the bottom hole (304).

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