A PCB precision circuit board with buried holes

Abstract

The utility model relates to the technical field of PCB precision circuit boards, and in particular to a PCB precision circuit board with buried holes, comprising a circuit board body and a circuit board quick-mount bracket, wherein a rectangular cavity groove is provided inside the circuit board quick-mount bracket, a fixed cross bar extending along the length direction of the circuit board quick-mount bracket is fixed on the top of the circuit board quick-mount bracket and on both the front and rear sides of the rectangular cavity groove, a rectangular slide groove is provided inside the fixed cross bar, a folding support plate is symmetrically slidably connected to the top of the fixed cross bar, an adjusting slide rod is slidably connected inside the rectangular slide rod, and a locking nut is threadedly connected to the top of the outer side of the adjusting slide rod, the utility model is convenient to operate, simple and compact in structure, firm to install, easy to disassemble, and can be installed on PCB precision circuit board bodies of different specifications, with strong versatility.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB precision circuit boards, in particular to a PCB precision circuit board with buried holes. Background Art

[0002] PCB, also known as printed circuit board, is the provider of electrical connections for electronic components, and buried via is a technology that leaves a hole on the circuit board that completely penetrates the conductive layer. The advantage of this technology is that it can provide a larger electrical connection area, thereby improving the performance of the circuit board.

[0003] The existing PCB circuit boards have different sizes due to different specifications and models during installation, which is inconvenient. In addition, the PCB circuit boards are often directly connected to the housing with bolts. Frequent tightening of the bolts when replacement is required can easily lead to damage to the PCB circuit boards.

[0004] Therefore, it is particularly important to design a PCB precision circuit board with buried holes to change the above technical defects and improve the overall practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a PCB precision circuit board with buried holes to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A PCB precision circuit board with buried holes comprises a circuit board body and a circuit board quick-loading bracket, wherein a rectangular cavity groove is provided inside the circuit board quick-loading bracket, a fixed cross bar extending along the length direction of the circuit board quick-loading bracket is fixed on the top of the circuit board quick-loading bracket and on the front and rear sides of the rectangular cavity groove, a rectangular slide groove is provided inside the fixed cross bar, a folding support plate is symmetrically slidably connected to the top of the fixed cross bar, an adjusting slide rod is slidably connected to the inside of the rectangular slide groove, a locking nut is threadedly connected to the top of the outer side of the adjusting slide rod, a clamping strip is connected between the two groups of folding support plates on the same front and rear sides, a clamping groove extending along the length direction of the clamping strip is provided on the inner side of the clamping strip, and a fixed clamping angle plate used in conjunction with the circuit board body is rotatably connected to the front and rear sides of the top and bottom of the clamping strip.

[0008] As a preferred solution of the utility model, assembly through holes are symmetrically opened on the left and right sides of the interior of the circuit board quick-release bracket.

[0009] As a preferred solution of the utility model, strip grooves are provided on the front and rear sides of the circuit board quick-release bracket and at positions corresponding to the rectangular sliding grooves.

[0010] As a preferred solution of the utility model, the bottom of the adjusting slide rod extends out of the bottom of the circuit board quick-release bracket, and the top of the adjusting slide rod passes through the top of the folding support plate and is provided with an external thread that is threadedly connected to the locking nut.

[0011] As a preferred solution of the utility model, the circuit board body is placed between two groups of clamping strips, and the left and right sides of the circuit board body are both inserted into the interior of the card groove.

[0012] As a preferred solution of the utility model, the inner side wall of the clamping groove and the inner side wall of the fixed clamping angle plate are both adhered with rubber patches.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a PCB precision circuit board with buried holes is provided, so that the circuit board body can be placed in the rectangular cavity groove in the circuit board quick-mount bracket, and the sliding rod is slidably adjusted in the fixed cross bar to drive the movement of the folding support plate position, and fixed by a locking nut, so that the left and right sides of the circuit board body can be inserted into the clamping grooves of the clamping strips, so that the two groups of clamping strips can be respectively fixed on the left and right sides of the circuit board body to form a clamping fixing force, and the fixed clamping angle plates at the four corners are rotated to make the clamping tighter, which not only ensures the assembly firmness of the circuit board body, but also improves the assembly strength of the circuit board body. Finally, the circuit board quick-mount bracket can be connected to the shell, which is convenient to operate, simple and compact in structure, firm to install, easy to disassemble, and can be installed on PCB precision circuit board bodies of different specifications, with strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 This is a structural diagram of the circuit board quick-install bracket of the utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0018] In the figure: 1. Circuit board body; 2. Circuit board quick-release bracket; 201. Rectangular cavity groove; 202. Fixed cross bar; 203. Rectangular slide groove; 204. Folding support plate; 205. Adjusting slide bar; 206. Locking nut; 207. Clamping strip; 208. Card groove; 209. Fixed card angle plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0021] A PCB precision circuit board with buried holes, comprising a circuit board body 1 and a circuit board quick-install bracket 2;

[0022] The circuit board quick-install bracket 2 has assembly through holes symmetrically formed on both the left and right sides thereof.

[0023] In this embodiment, please refer to Figure 2 and Figure 3 A rectangular cavity groove 201 is provided inside the circuit board quick-mount bracket 2, and a fixed cross bar 202 extending along the length direction of the circuit board quick-mount bracket 2 is fixed on the top of the circuit board quick-mount bracket 2 and on the front and rear sides of the rectangular cavity groove 201, and a rectangular slide groove 203 is provided inside the fixed cross bar 202, and the top of the fixed cross bar 202 is symmetrically slidably connected with a folding support plate 204, and an adjusting slide bar 205 is slidably connected inside the rectangular slide groove 203, and a locking nut 206 is threadedly connected to the top of the outer side of the adjusting slide bar 205, and a clamping strip 207 is connected between the two groups of folding support plates 204 on the same front and rear sides, and a clamping groove 208 extending along the length direction of the clamping strip 207 is provided on the inner side of the clamping strip 207, and the front and rear sides of the top and bottom of the clamping strip 207 are rotatably connected with a fixed clamping angle plate 209 used in conjunction with the circuit board body 1;

[0024] Strip grooves are provided on the front and rear sides of the circuit board quick-release bracket 2 and at positions corresponding to the rectangular slide grooves 203. The bottom of the adjusting slide rod 205 extends out of the bottom of the circuit board quick-release bracket 2. The top of the adjusting slide rod 205 passes through the top of the folding support plate 204 and is provided with an external thread threadedly connected to the locking nut 206. The circuit board body 1 is placed between the two sets of clamping strips 207, and the left and right sides of the circuit board body 1 are inserted into the interior of the card groove 208. The inner side wall of the card groove 208 and the inner side wall of the fixed card angle plate 209 are both fitted with rubber patches.

[0025] The working process of the utility model is as follows: when in use, the circuit board body 1 can be placed in the rectangular cavity groove 201 in the circuit board quick-mount bracket 2, and the sliding adjustment rod 205 can be slid in the fixed cross bar 202 to drive the movement of the folding support plate 204, and fixed by the locking nut 206, so that the left and right sides of the circuit board body 1 can be inserted into the clamping groove 208 of the clamping strip 207, so that the two groups of clamping strips 207 can be respectively fixed on the left and right sides of the circuit board body 1 to form a clamping fixing force, and the fixed clamping angle plates 209 at the four corners are rotated to make the clamping tighter, which not only ensures the assembly firmness of the circuit board body 1, but also improves the assembly strength of the circuit board body 1. Finally, the circuit board quick-mount bracket 2 can be connected to the shell. It is easy to operate, simple and compact in structure, firm to install, easy to disassemble, and can be installed on PCB precision circuit board bodies of different specifications, with strong versatility.

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

Claims

1. A PCB precision circuit board with buried holes, comprising a circuit board body (1) and a circuit board quick-release bracket (2), characterized in that: A rectangular cavity groove (201) is provided inside the circuit board quick-mount bracket (2); a fixed cross bar (202) extending along the length direction of the circuit board quick-mount bracket (2) is fixed on the top of the circuit board quick-mount bracket (2) and on both the front and rear sides of the rectangular cavity groove (201); a rectangular slide groove (203) is provided inside the fixed cross bar (202); a folding support plate (204) is symmetrically slidably connected to the top of the fixed cross bar (202); and the interior of the rectangular slide groove (203) is slidably connected to the fixed cross bar (202). An adjusting slide bar (205) is connected, and a locking nut (206) is threadedly connected to the top of the outer side of the adjusting slide bar (205). A clamping strip (207) is connected between the two groups of the folding support plates (204) on the same front and rear sides. A clamping groove (208) extending along the length direction of the clamping strip (207) is opened on the inner side of the clamping strip (207). The front and rear sides of the top and bottom of the clamping strip (207) are rotatably connected to fixed angle plates (209) used in conjunction with the circuit board body (1).

2. A PCB precision circuit board with buried vias according to claim 1, characterized in that: Assembly through holes are symmetrically provided on both the left and right sides of the circuit board quick-install bracket (2).

3. The PCB precision circuit board with buried vias according to claim 1, characterized in that: Strip grooves are provided on both the front and rear sides of the circuit board quick-install bracket (2) and at positions corresponding to the rectangular slide grooves (203).

4. The PCB precision circuit board with buried vias according to claim 1, characterized in that: The bottom of the adjusting slide bar (205) extends out of the bottom of the circuit board quick-install bracket (2), and the top of the adjusting slide bar (205) passes through the top of the folding support plate (204) and is provided with an external thread that is threadedly connected to a locking nut (206).

5. The PCB precision circuit board with buried vias according to claim 1, characterized in that: The circuit board body (1) is placed between two sets of clamping strips (207), and the left and right sides of the circuit board body (1) are both inserted into the interior of the card slot (208).

6. The PCB precision circuit board with buried vias according to claim 1, characterized in that: The inner side wall of the clamping groove (208) and the inner side wall of the fixed clamping angle plate (209) are both fitted with rubber patches.

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