Copper-base-embedded printed circuit board

Abstract

The utility model relates to the technical field of printed circuit boards, and discloses a copper-base-embedded printed circuit board, which comprises a board body, first screw holes are arranged at four corners of the top of the board body, fixing blocks are fixedly mounted at middle positions of two ends of the bottom of the board body, a left-right through port is arranged at one end of each fixing block, and a right-left through port is arranged at the other end of each fixing block. A first connecting plate and a second connecting plate are movably inserted into the two through openings, the first connecting plate is located above the second connecting plate in the through openings, supporting columns are fixedly installed at the ends, away from the fixing block, of the first connecting plate and the second connecting plate, and a third screw hole penetrating up and down is formed in the top of each supporting column. The supporting columns at one end of the first connecting plate and one end of the second connecting plate are connected with the plate body through the first bolts by adjusting stretching and retracting of the first connecting plate and the second connecting plate, in this way, a certain heat dissipation space is reserved at the bottom of the installed plate body, and the heat dissipation effect of the copper block can be further improved through the copper strip.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printed circuit board technical field, concretely is a kind of copper-embedded base printed circuit board. BACKGROUND

[0002] With the rapid development of high-frequency receiver, high-power module power supply, the increase of PCB component assembly density and integration and the increase of signal transmission speed, power consumption increases, the heat dissipation requirement and high-frequency transmission requirement of PCB board are higher and higher, copper base has excellent heat dissipation performance, good electromagnetic shielding performance, higher mechanical strength and toughness, so copper-embedded base has good application in printed circuit board.

[0003] However, common copper-embedded base is standard rectangular block, and the embedding position of copper block is usually located at the bottom of the circuit board, after the installation of circuit board, the bottom of circuit board is attached to the mounting surface, and the mounting surface will block the heat dissipation of copper block, so as to greatly reduce the heat dissipation performance of copper block, in order to make the through hole more smoothly heat dissipation, the application provides a kind of copper-embedded base printed circuit board. UTILITY MODEL CONTENT

[0004] To solve the problems in the background art, the utility model provides the following technical scheme: a copper-embedded base printed circuit board, including board body, four corners of the top of the board body are provided with first screw holes, the middle positions of the two ends of the bottom of the board body are fixedly installed with fixed blocks, the one end of the two fixed blocks is provided with left-right through-through through hole, the first connecting plate and the second connecting plate are movably inserted into the two through holes, the first connecting plate is located above the second connecting plate in the through hole, the one end of the first connecting plate and the second connecting plate away from the fixed block is fixedly installed with support column, the top of each support column is provided with third screw hole penetrating through up and down, the four first screw holes are screwed with first bolt, the bottom end of the four first bolts is screwed through the third screw hole on the corresponding support column, the bottom of the board body is uniformly embedded with multiple groups of copper blocks opposite to each other, the bottom of each group of copper blocks is fixedly installed with copper bar.

[0005] Further, the top of the two fixed blocks is fixedly installed with limiting block, the bottom end of the two limiting blocks extends into the through hole and is fixedly connected with the bottom thereof, the top of the first connecting plate is provided with first slot, the top of the second connecting plate is provided with second slot, and the first slot on the first connecting plate and the second slot on the second connecting plate are movably sleeved on the corresponding limiting block.

[0006] Further, the top of the two limiting blocks is provided with two screw grooves, the middle positions of the two ends of the top of the board body and above the screw grooves are provided with two second screw holes, and the second screw hole is screwed with the second bolt threadedly connected with the screw groove.

[0007] Further, the bottom ends of the four supporting columns and the bottom of the two fixing blocks are located on the same horizontal plane.

[0008] Further, the thickness of the first connecting plate is the same as that of the second connecting plate, and the top of the first connecting plate and the bottom of the second connecting plate are in contact with the top and the bottom of the inner wall of the through hole respectively.

[0009] Further, the length of the copper strip is the same as the width of the plate body.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] By adjusting the expansion and contraction of the first connecting plate and the second connecting plate, the supporting columns at one end of the first connecting plate and the second connecting plate are connected with the plate body through the first bolts, so that the bottom of the installed plate body can reserve a certain heat dissipation space, and the heat dissipation effect of the copper block can be further improved through the copper strip. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0013] Figure 1 It is the structure schematic diagram that the utility model support component and the plate body are viewed from below;

[0014] Figure 2 It is the structure schematic diagram of the plate body of the utility model;

[0015] Figure 3 It is the section structure schematic diagram that the plate body, the fixing block and the supporting column of the utility model are connected;

[0016] Figure 4 It is the section structure schematic diagram that the fixing block, the first connecting plate and the second connecting plate of the utility model are connected;

[0017] In the drawing: 1, plate body; 2, copper block; 3, copper strip; 4, fixing block; 5, through hole; 6, limiting block; 7, first connecting plate; 8, first slot; 9, second connecting plate; 10, second slot; 11, supporting column; 12, first screw hole; 13, first bolt; 14, screw groove; 15, second screw hole; 16, second bolt. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0019] By Figures 1-4 The utility model discloses a plate body 1, the four corners of plate body 1 top are all seted up first screw hole 12, the middle position of plate body 1 bottom both ends is all fixedly installed fixed block 4, and the both ends of two fixed blocks 4 are all seted up left and right through mouth 5, and the first link plate 7 and second link plate 9 are movably inserted in two mouth 5, and the first link plate 7 is above the second link plate 9 in mouth 5, and the support column 11 is fixedly installed in the both ends of first link plate 7 and second link plate 9 away from fixed block 4, and the top of every support column 11 is seted up the third screw hole that penetrates up and down, and the first bolt 13 is inserted in four first screw hole 12 with the thread, and the bottom of four first bolt 13 is all screwed through the third screw hole on the corresponding support column 11, and the bottom of plate body 1 is evenly embedded with multiple groups of copper block 2 that are opposite each other, and the copper strip 3 is fixedly installed in the bottom of every copper block 2.

[0020] As Figure 3 And Figure 4 The utility model discloses a plate body 1, the four corners of plate body 1 top are all seted up first screw hole 12, the middle position of plate body 1 bottom both ends is all fixedly installed fixed block 4, and the both ends of two fixed blocks 4 are all seted up left and right through mouth 5, and the first link plate 7 and second link plate 9 are movably inserted in two mouth 5, and the first link plate 7 is above the second link plate 9 in mouth 5, and the support column 11 is fixedly installed in the both ends of first link plate 7 and second link plate 9 away from fixed block 4, and the top of every support column 11 is seted up the third screw hole that penetrates up and down, and the first bolt 13 is inserted in four first screw hole 12 with the thread, and the bottom of four first bolt 13 is all screwed through the third screw hole on the corresponding support column 11, and the bottom of plate body 1 is evenly embedded with multiple groups of copper block 2 that are opposite each other, and the copper strip 3 is fixedly installed in the bottom of every copper block 2.

[0021] As Figure 3 And Figure 4 The utility model discloses a plate body 1, the four corners of plate body 1 top are all seted up first screw hole 12, the middle position of plate body 1 bottom both ends is all fixedly installed fixed block 4, and the both ends of two fixed blocks 4 are all seted up left and right through mouth 5, and the first link plate 7 and second link plate 9 are movably inserted in two mouth 5, and the first link plate 7 is above the second link plate 9 in mouth 5, and the support column 11 is fixedly installed in the both ends of first link plate 7 and second link plate 9 away from fixed block 4, and the top of every support column 11 is seted up the third screw hole that penetrates up and down, and the first bolt 13 is inserted in four first screw hole 12 with the thread, and the bottom of four first bolt 13 is all screwed through the third screw hole on the corresponding support column 11, and the bottom of plate body 1 is evenly embedded with multiple groups of copper block 2 that are opposite each other, and the copper strip 3 is fixedly installed in the bottom of every copper block 2.

[0022] As Figure 3 And Figure 4 The utility model discloses a plate body 1, the four corners of plate body 1 top are all seted up first screw hole 12, the middle position of plate body 1 bottom both ends is all fixedly installed fixed block 4, and the both ends of two fixed blocks 4 are all seted up left and right through mouth 5, and the first link plate 7 and second link plate 9 are movably inserted in two mouth 5, and the first link plate 7 is above the second link plate 9 in mouth 5, and the support column 11 is fixedly installed in the both ends of first link plate 7 and second link plate 9 away from fixed block 4, and the top of every support column 11 is seted up the third screw hole that penetrates up and down, and the first bolt 13 is inserted in four first screw hole 12 with the thread, and the bottom of four first bolt 13 is all screwed through the third screw hole on the corresponding support column 11, and the bottom of plate body 1 is evenly embedded with multiple groups of copper block 2 that are opposite each other, and the copper strip 3 is fixedly installed in the bottom of every copper block 2.

[0023] As Figure 3 and Figure 4 shown, the thickness of the first adapter plate 7 is the same as the thickness of the second adapter plate 9, and the top of the first adapter plate 7 and the bottom of the second adapter plate 9 are in contact with the top and bottom of the inner wall of the through hole 5 respectively, so that the first adapter plate 7 and the second adapter plate 9 will not shake when moving in the through hole 5 of the fixing block 4.

[0024] As Figure 1 shown, the length of the copper bar 3 is the same as the width of the plate body 1, so that both ends of each copper bar 3 extend to the edge of the plate body 1, so that the copper bar 3 can improve the heat dissipation effect of the copper block 2.

[0025] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A copper-inlaid printed circuit board comprising a board body (1), characterized in that: The first screw hole (12) is arranged at the four corners of the top of the plate body (1), the fixed block (4) is fixedly installed at the middle position of the bottom of the plate body (1), the through opening (5) is arranged at one end of the two fixed blocks (4), the first connecting plate (7) and the second connecting plate (9) are movably inserted into the two through openings (5), the first connecting plate (7) is arranged above the second connecting plate (9) in the through opening (5), the support column (11) is fixedly installed at one end of the first connecting plate (7) and the second connecting plate (9) away from the fixed block (4), the third screw hole is arranged at the top of each support column (11), the first bolt (13) is screwed into the four first screw holes (12), the bottom end of the four first bolts (13) is screwed through the third screw hole in the corresponding support column (11), and the copper block (2) is uniformly embedded at the bottom of the plate body (1).

2. The copper-inlaid printed wiring board of claim 1 wherein: The limiting block (6) is fixedly installed at the top of the two fixed blocks (4), the bottom end of the two limiting blocks (6) extends into the through opening (5) and is fixedly connected with the bottom of the through opening (5), the first slot (8) is arranged at the top of the first connecting plate (7), the second slot (10) is arranged at the top of the second connecting plate (9), and the first slot (8) on the first connecting plate (7) and the second slot (10) on the second connecting plate (9) are movably sleeved on the corresponding limiting block (6).

3. The copper-inlaid printed wiring board of claim 2 wherein: The two screw grooves (14) are arranged at the top of the two limiting blocks (6), the two second screw holes (15) are arranged at the middle position of the top of the plate body (1) and above the screw grooves (14), and the second bolt (16) is screwed into each second screw hole (15) and is in threaded connection with the screw groove (14).

4. The copper-inlaid printed wiring board of claim 1 wherein: The bottom end of the four support columns (11) and the bottom of the two fixed blocks (4) are located on the same horizontal plane.

5. The copper-inlaid printed wiring board of claim 1 wherein: The thickness of the first connecting plate (7) is the same as that of the second connecting plate (9), and the top of the first connecting plate (7) and the bottom of the second connecting plate (9) are in contact with the top and the bottom of the inner wall of the through opening (5), respectively.

6. The copper-inlaid printed wiring board of claim 1 wherein: The length of the copper strip (3) is the same as the width of the plate body (1).

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