Thick copper circuit board

Abstract

The utility model discloses a thick copper circuit board, which comprises a bottom plate, two ends of the bottom plate are provided with limiting columns, the limiting columns are connected with a buffer plate, one end of the buffer plate is connected with a protective strip, a substrate is arranged above the bottom plate, two ends of the substrate are attached to the protective strip, and the protective strip is connected with the buffer plate. Limiting columns are arranged on the base plate, the limiting columns penetrate through the base plate to be connected with locking pieces, connecting holes are evenly formed in the base plate, and splicing circuit mechanisms are connected in the connecting holes. By arranging the bottom plate and the base plate, when the circuit board is used, the base plate can be supported through the bottom plate, and air can conveniently pass through the space between the base plate and the bottom plate through heat dissipation grooves; and through arrangement of the circuit splicing mechanism, positioning copper columns are connected into the connecting holes according to use requirements when the circuit board is used, and then the two ends of a connecting copper sheet are connected to the positioning copper columns, so that the circuit is assembled, and the circuit board is convenient to disassemble and replace during circuit teaching, and is convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board, specifically, a thick copper circuit board. BACKGROUND

[0002] The printed circuit board used for electric appliance circuit principle teaching generally adopts a plurality of connection hole structures evenly distributed, various electronic components and connecting wires are welded on the copper connection holes to form a complete experimental circuit, but such teaching printed circuit boards are mostly disposable, the copper foil formed by electroplating on the insulating plate is extremely thin, and the copper foil is prone to falling off and edge lifting after welding, and the strength of the insulating plate is also low and prone to damage.

[0003] In the prior art, a thick copper circuit board with Chinese patent application No. 202021650409.5 relates to the field of electric appliance principle teaching device, aiming at the problem of material consumption and resource waste caused by the existing ordinary electronic circuit teaching disposable printed circuit board, the following scheme is proposed, which includes a circuit board, the circuit board includes an insulating plate and a copper sheet, and the top and bottom ends of the circuit board are provided with a circuit connection structure, the circuit connection structure includes a first connecting plate, a second connecting plate, a spacer and a screw, the top and bottom ends of the insulating plate are provided with protrusions, and the protrusions are evenly distributed about the top and bottom ends of the insulating plate, the insulating plate and the copper sheet are both in a horizontal state, and the copper sheet is located at the top end of the insulating plate, the utility model has novel structure, and the device has simple structure, convenient operation and effectively solves the problem of material consumption and resource waste caused by the ordinary electronic circuit teaching disposable printed circuit board, but lacks protection of the edge of the circuit board during use, and the circuit is prone to damage when collision occurs.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] In view of the problems in the related art, the utility model proposes a thick copper circuit board to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] A thick copper circuit board includes a bottom plate, limit posts are arranged at both ends of the bottom plate, a buffer plate is connected to the limit posts, a protective strip is connected to one end of the buffer plate, a substrate is arranged above the bottom plate, the substrate is attached to the protective strips at both ends, a locking piece is connected to the limit posts through the substrate, connection holes are uniformly arranged on the substrate, a splicing circuit mechanism is connected to the connection holes, and the splicing circuit mechanism includes positioning copper columns, connecting copper sheets and locking nuts.

[0008] Preferably, the bottom plate and the opposite side of the positioning plate are provided with heat dissipation grooves of the same size, which are arranged below the connecting holes.

[0009] Preferably, the locking member comprises a rotating block and a connecting screw rod, which is arranged at the middle position of the inner cavity of the rotating block.

[0010] Preferably, the limiting column is provided with a threaded hole matched with the connecting screw rod, and the locking member is threadedly connected to the limiting column through the connecting screw rod.

[0011] Preferably, the positioning copper column is inserted into the connecting hole, the connecting copper sheet is sleeved on the two ends of the positioning copper column, and the locking nut is connected to the bottom of the positioning copper column.

[0012] Preferably, the positioning copper column is provided with a protrusion larger than the hole diameter of the connecting hole, and the protrusion is arranged above the connecting hole.

[0013] Preferably, the bottom of the positioning copper column is provided with a thread matched with the locking nut, the locking nut is threadedly connected to the bottom of the positioning copper column, and the locking nut is attached to the bottom of the substrate.

[0014] The utility model discloses the beneficial effect is:

[0015] 1. By being provided with the bottom plate and the substrate, when using the circuit board, the substrate can be supported through the bottom plate, the heat dissipation groove can pass through the air between the substrate and the bottom plate, and the heat dissipation of the circuit board is facilitated.

[0016] 2. By being provided with the spliced circuit mechanism, when using the circuit board, the positioning copper column is connected in the connecting hole according to the use demand, then the two ends of the connecting copper sheet are connected to the positioning copper column, the assembly of the circuit is realized, and when teaching the circuit, the circuit board can be conveniently disassembled and replaced.

[0017] 3. By being provided with the buffer plate and the protection strip, the edge of the circuit board can be protected through the protection strip, the buffer plate between the bottom plate and the substrate can absorb the impact force when collision occurs, and the damage of the electronic components on the circuit board is reduced. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1It is a total structure schematic diagram of a thick copper circuit board according to an embodiment of the utility model;

[0020] Figure 2 It is a bottom plate structure schematic diagram of a thick copper circuit board according to an embodiment of the utility model;

[0021] Figure 3 It is a locking piece structure diagram of a thick copper circuit board according to an embodiment of the utility model;

[0022] Figure 4 It is a splicing circuit mechanism structure diagram of a thick copper circuit board according to an embodiment of the utility model.

[0023] In the drawing,

[0024] 1, bottom plate, 2, limiting column, 3, buffer plate, 4, protection strip, 5, base plate, 6, locking piece, 7, connecting hole, 8, splicing circuit mechanism, 9, positioning copper column, 10, connecting copper sheet, 11, locking nut, 12, heat dissipation groove, 13, rotating block, 14, connecting screw, 15, screw hole, 16, lug. Specific embodiments

[0025] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0026] According to the embodiment of the utility model, a kind of thick copper circuit board is provided.

[0027] Embodiment one

[0028] As Figure 1- 4, the utility model discloses a thick copper circuit board, including bottom plate 1, the both ends position of bottom plate 1 is provided with limiting post 2, the limiting post 2 is connected with buffer plate 3, the one end of buffer plate 3 is connected with protective strip 4, the top of bottom plate 1 is provided with base plate 5, the both ends of base plate 5 are bonded with protective strip 4, limiting post 2 passes through base plate 5 and is connected with locking piece 6, base plate 5 is evenly provided with connecting hole 7, connecting hole 7 is connected with splicing circuit mechanism 8, splicing circuit mechanism 8 includes locating copper column 9, connecting copper sheet 10 and locking nut 11, the side of bottom plate 1 and locating is provided with the same heat dissipation groove 12 of size, heat dissipation groove 12 is provided below connecting hole 7, locking piece 6 includes rotating block 13 and connecting screw rod 14, connecting screw rod 14 is provided in the inner chamber middle position of rotating block 13, the threaded hole 15 matched with connecting screw rod 14 is seted up on limiting post 2, locking piece 6 is screwed on locating post through connecting screw rod 14, base plate 5 is fixed on bottom plate 1 through locking piece 6, and it is convenient to place base plate 5.

[0029] Example two

[0030] As Figures 1-4 shown, the utility model discloses a thick copper circuit board, including bottom plate 1, the both ends position of bottom plate 1 is provided with limiting post 2, the limiting post 2 is connected with buffer plate 3, the one end of buffer plate 3 is connected with protective strip 4, the top of bottom plate 1 is provided with base plate 5, the both ends of base plate 5 are bonded with protective strip 4, limiting post 2 passes through base plate 5 and is connected with locking piece 6, base plate 5 is evenly provided with connecting hole 7, connecting hole 7 is connected with splicing circuit mechanism 8, splicing circuit mechanism 8 includes locating copper column 9, connecting copper sheet 10 and locking nut 11, the locating copper column 9 is inserted in connecting hole 7, the both ends of connecting copper sheet 10 are set up on locating copper column 9, the locking nut 11 is connected at the bottom of locating copper column 9, the protruding piece 16 of greater than the aperture of connecting hole 7 is set up on locating copper column 9, the protruding piece 16 is placed above connecting hole 7, when teaching the circuit board, the locating copper column 9 of splicing circuit mechanism 8 is inserted into the connecting hole 7 of base plate 5, then the both ends of connecting copper sheet 10 are connected on locating copper column 9, and the operation of circuit is realized, when teaching the circuit, can be convenient to dismantle and replace.

[0031] Example three

[0032] As Figure 1- 4 shown, according to the utility model embodiments of a thick copper circuit board, including bottom plate 1, the both ends position of bottom plate 1 is provided with limiting post 2, the limiting post 2 is connected with buffer plate 3, the one end of buffer plate 3 is connected with protective strip 4, the top of bottom plate 1 is provided with substrate 5, the both ends of substrate 5 are bonded with protective strip 4, limiting post 2 passes through substrate 5 and is connected with locking piece 6, substrate 5 is evenly provided with connecting hole 7, connecting hole 7 is connected with splicing circuit mechanism 8, splicing circuit mechanism 8 includes locating copper column 9, connecting copper sheet 10 and locking nut 11, the bottom of locating copper column 9 is provided with the thread matched with locking nut 11, locking nut 11 is screwed in the bottom of locating copper column 9, and locking nut 11 is bonded in the bottom of substrate 5, splicing circuit mechanism 8 is fixed on substrate 5 by the lug 16 of locking nut 11 cooperation locating copper column 9, and splicing circuit mechanism 8 is limited.

[0033] In summary, by means of the above technical scheme of the utility model, when the device is used, during the teaching of the circuit board, the locating copper column 9 of the splicing circuit mechanism 8 is inserted into the connecting hole 7 of the substrate 5, the splicing circuit mechanism 8 is fixed on the substrate 5 by the lug 16 of the locking nut 11 cooperation locating copper column 9, then the both ends of the connecting copper sheet 10 are connected on the locating copper column 9 to realize the operation of the circuit, then the buffer plate 3 and the substrate 5 are stacked on the limiting post 2 of the bottom plate 1, the substrate 5 is fixed on the bottom plate 1 by the locking piece 6, so that the protective strip 4 protects the both ends of the substrate 5, the air can pass through between the substrate 5 and the bottom plate 1 through the heat dissipation groove 12, which facilitates the heat dissipation of the circuit board, and is convenient and practical.

[0034] The above only for the preferred embodiment of the utility model has, and does not use to limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should include in the protection scope of the utility model.

Claims

1. A thick copper circuit board, comprising a base plate (1), characterized in that, Limiting posts (2) are provided at both ends of the base plate (1). A buffer plate (3) is connected to the limiting post (2). A protective strip (4) is connected to one end of the buffer plate (3). A base plate (5) is provided above the base plate (1). The two ends of the base plate (5) are attached to the protective strip (4). The limiting post (2) passes through the base plate (5) and is connected to a locking member (6). Connection holes (7) are evenly provided on the base plate (5). A splicing circuit mechanism (8) is connected in the connection hole (7). The splicing circuit mechanism (8) includes a positioning copper post (9), a connecting copper sheet (10), and a locking nut (11).

2. The thick copper circuit board according to claim 1, characterized in that, The base plate (1) and the side opposite to the fixed position are provided with heat dissipation grooves (12) of the same size, and the heat dissipation grooves (12) are located below the connecting hole (7).

3. A thick copper circuit board according to claim 2, characterized in that, The locking component (6) includes a rotating block (13) and a connecting screw (14), with the connecting screw (14) positioned in the middle of the inner cavity of the rotating block (13).

4. A thick copper circuit board according to claim 3, characterized in that, The limiting post (2) has a threaded hole (15) that matches the connecting screw (14), and the locking member (6) is threadedly connected to the limiting post (2) through the connecting screw (14).

5. A thick copper circuit board according to claim 4, characterized in that, The positioning copper post (9) is inserted into the connecting hole (7), the two ends of the connecting copper plate (10) are sleeved on the positioning copper post (9), and the locking nut (11) is connected to the bottom of the positioning copper post (9).

6. A thick copper circuit board according to claim 5, characterized in that, The positioning copper post (9) is provided with a protrusion (16) larger than the diameter of the connecting hole (7), and the protrusion (16) is positioned above the connecting hole (7).

7. A thick copper circuit board according to claim 6, characterized in that, The bottom of the positioning copper post (9) is provided with a thread that matches the locking nut (11). The locking nut (11) is threadedly connected to the bottom of the positioning copper post (9) and is attached to the bottom of the substrate (5).

Images