High-production-efficiency circuit board with metalized half holes

Abstract

A circuit board with metalized half holes and high production efficiency comprises a circuit board body and a plurality of half-hole copper sleeves, and the plurality of half-hole copper sleeves are sequentially clamped on the circuit board body. A plurality of concave half holes are formed in the side face of the circuit board body, a plurality of electric contact grooves are further formed in the upper surface and the lower surface of the circuit board body, and the electric contact grooves are located in the inner sides of the concave half holes respectively; the half-hole copper sleeve is designed to be of a sigma-shaped structure and comprises an upper clamping piece, a lower clamping piece and half-hole copper pieces connected between the upper clamping piece and the lower clamping piece. The upper clamping sheet and the lower clamping sheet are respectively clamped on the upper surface and the lower surface of the circuit board body, and the inner side surfaces of the upper clamping sheet and the lower clamping sheet are provided with electric contact salient points. According to the utility model, the semi-hole copper sleeve which is clamped and assembled is designed to be combined and assembled with the circuit board, so that compared with the traditional circuit board drilling and forming of a metalized semi-hole, the metalized semi-hole is easier and simpler; the utility model has the advantages of strong practicability and strong popularization significance.

Description

Technical Field

[0001] The utility model relates to a circuit board, in particular to a circuit board with metallized half holes and high production efficiency. Background Art

[0002] Circuit board, also known as printed circuit board or printed circuit board, PCB in English, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Before the emergence of circuit boards, the interconnection between electronic components was completed by direct connection of wires. Nowadays, wires are only used for experimental applications in laboratories, and circuit boards have occupied an absolute dominant position in the electronics industry.

[0003] The metallized half hole of a conventional PCB is obtained by drilling a full circular hole, metallizing it through electroplating, and then milling off half of it. However, this processing method is not only complicated to operate, but also the half hole after milling is prone to problems such as sharpening or even copper peeling. Utility Model Content

[0004] Based on this, it is necessary to provide a circuit board with metallized half holes with high production efficiency in view of the deficiencies in the prior art.

[0005] A circuit board with metallized half holes with high production efficiency, comprising a circuit board body and a plurality of half-hole copper sleeves, wherein the plurality of half-hole copper sleeves are sequentially engaged with the circuit board body. The side surface of the circuit board body is provided with a plurality of concave half holes, and the upper and lower surfaces of the circuit board body are also provided with a plurality of electric contact grooves, wherein the plurality of electric contact grooves are respectively located inside the plurality of concave half holes. The half-hole copper sleeve is designed in a "∑"-shaped structure, and comprises an upper card, a lower card, and a half-hole copper sheet respectively connected between the upper card and the lower card. The upper card and the lower card are respectively clamped on the upper surface and the lower surface of the circuit board body, and the inner surfaces of the upper card and the lower card are provided with electric contact bumps, and the electric contact bumps are correspondingly engaged in the electric contact grooves. The half-hole copper sheet is designed in a semi-annular structure, which just fits the inner side of the concave half hole.

[0006] Furthermore, the circuit board with metallized half holes with high production efficiency also includes a fixing clip, and the fixing clip includes an upper clip and a lower clip. The upper clip and the lower clip are both designed in a long strip shape, wherein the upper clip is clamped on a plurality of upper cards, and the lower clip is clamped under a plurality of lower cards, and the two ends of the upper clip are also provided with a first hook extending downward, and the two ends of the lower clip are also provided with a second hook extending upward, and the first hook and the second hook are mutually hooked and limited.

[0007] Furthermore, the upper and lower clamps of the fixing clamp are provided with a plurality of positioning locking rods, the upper and lower cards of the half-hole copper sleeves are provided with corresponding locking holes, and the circuit board body is provided with a plurality of positioning holes. The positioning locking rods can be sequentially inserted into the locking holes and the positioning holes to limit and fix the half-hole copper sleeves and the circuit board body.

[0008] Furthermore, a plurality of baffles are provided on the upper and lower clamps of the fixing clamp, and the baffles are designed in an "L"-shaped structure and are engaged between the two half-hole copper sleeves.

[0009] Furthermore, the circuit board with metallized half-holes with high production efficiency also includes an auxiliary mounting bar. The auxiliary mounting bar is in a long strip structure with a rounded wedge-shaped cross section, and one end of a plurality of the half-hole copper sleeves is sequentially mounted on the auxiliary mounting bar.

[0010] To sum up, the utility model has the beneficial effects of a circuit board with a metallized half hole with high production efficiency: by designing a half-hole copper sleeve that is installed by snap-fitting and combined with the circuit board to form the metallized half hole, it is easier and simpler than the traditional circuit board drilling and forming of the metallized half hole, and the forming quality is also greatly improved; the half-hole copper sleeve is limited and fixed by a fixing clip, so that its combined structure with the circuit board body is more firm and reliable; the half-hole copper sleeve is arranged on the auxiliary mounting bar and then assembled with the circuit board body, which reduces the difficulty of assembling and snapping the half-hole copper sleeve with the circuit board body, and further improves the production efficiency of the circuit board; the utility model has strong practicality and strong promotion significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of a circuit board with metallized half holes with high production efficiency according to the utility model;

[0012] Figure 2 for Figure 1 Schematic diagram of the decomposition structure;

[0013] Figure 3 for Figure 2 The schematic diagram of the structure of the circuit board body;

[0014] Figure 4 for Figure 2 Schematic diagram of the structure of the middle half hole copper sleeve;

[0015] Figure 5 for Figure 2 Schematic diagram of the exploded structure of the middle retaining clip. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] like Figures 1 to 5 As shown, the utility model provides a circuit board 100 with metallized half holes with high production efficiency, which includes a circuit board body 10 and a plurality of half-hole copper sleeves 20, and the plurality of half-hole copper sleeves 20 are sequentially engaged with the circuit board body 10.

[0018] The side of the circuit board body 10 is provided with a plurality of concave half holes 11, and the upper and lower surfaces of the circuit board body 10 are also provided with a plurality of electric contact grooves 12, and the plurality of electric contact grooves 12 are respectively located inside the plurality of concave half holes 11. The half-hole copper sleeve 20 is designed in a "∑"-shaped structure, and includes an upper card 21, a lower card 22, and a half-hole copper sheet 23 respectively connected between the upper card 21 and the lower card 22. The upper card 21 and the lower card 22 are respectively clamped on the upper surface and the lower surface of the circuit board body 10, and the inner surfaces of the upper card 21 and the lower card 22 are provided with electric contact bumps 211, and the electric contact bumps 211 are correspondingly engaged in the electric contact grooves 12. The half-hole copper sheet 23 is designed in a semi-annular structure, which just fits the inner side of the concave half hole 11.

[0019] When a metallized half-hole circuit board needs to be formed, it is only necessary to drill a half hole on the side of the circuit board, and then snap the half-hole copper sleeve 20 into each half hole. Compared with the traditional electroplating and cutting method, the snap-fit ​​assembly molding method is not only more efficient and easier to operate, but also has higher molding quality, and can avoid burrs or even copper sheet falling problems that may occur during cutting.

[0020] The circuit board 100 with metallized half-hole with high production efficiency also includes a fixing clip 30, and the fixing clip 30 includes an upper clip 31 and a lower clip 32. The upper clip 31 and the lower clip 32 are both designed in a long strip shape, wherein the upper clip 31 is clamped on a plurality of upper cards 21, and the lower clip 32 is clamped under a plurality of lower cards 22, and the two ends of the upper clip 31 are also provided with a first hook 311 extending downward, and the two ends of the lower clip 32 are also provided with a second hook 321 extending upward, and the first hook 311 and the second hook 321 are mutually hooked and limited. The fixing clip 30 can clamp and fix the half-hole copper sleeve 20, so that it is more firmly fixed on the circuit board body 10, and effectively prevent it from falling off and affecting the function of the circuit board.

[0021] The upper clip 31 and the lower clip 32 of the fixing clip 30 are also provided with a plurality of positioning lock rods 312, the upper cards 21 and the lower cards 22 of the half-hole copper sleeves 20 are correspondingly provided with lock holes 212, and the circuit board body 10 is correspondingly provided with a plurality of positioning holes 13. The positioning lock rods 312 can be sequentially inserted into the lock holes 212 and the positioning holes 13 to limit and fix the half-hole copper sleeves 20 and the circuit board body 10. The upper clip 31 and the lower clip 32 of the fixing clip 30 are also provided with a plurality of baffles 313, and the baffles 313 are designed in an "L" shape structure, which is engaged between the two half-hole copper sleeves 20. The structure of the positioning lock rod 312, the lock hole 212 and the positioning hole 13 can further limit and fix the half-hole copper sleeves 20, so that the metallized half-hole circuit board formed by the two assemblies is more secure. The baffle 313 structure on the fixing clip 30 can isolate each half-hole copper sleeve 20 to avoid short circuit between adjacent half-hole copper sleeves 20.

[0022] The circuit board 100 with metallized half holes with high production efficiency further includes an auxiliary mounting bar 40. The auxiliary mounting bar 40 is in a long strip structure, and its cross section is a rounded wedge design, and one end of a plurality of the half-hole copper sleeves 20 is sequentially mounted on the auxiliary mounting bar 40. The auxiliary mounting bar 40 can simultaneously assist multiple groups of half-hole copper sleeves 20 in the clamping and mounting, making the mounting and molding of the circuit board easier and more convenient.

[0023] To sum up, the beneficial effects of the utility model, a circuit board 100 with a metallized half hole with high production efficiency, are as follows: by designing a half-hole copper sleeve 20 that is installed by snap-fitting and assembled with the circuit board, it is easier and simpler to form the metallized half hole than the traditional circuit board drilling and forming, and the forming quality is also greatly improved; the half-hole copper sleeve 20 is limited and fixed by the fixing clip 30, so that its combined structure with the circuit board body 10 is more firm and reliable; the half-hole copper sleeve 20 is arranged on the auxiliary mounting bar 40 and then assembled with the circuit board body 10, which reduces the difficulty of assembling and snapping the half-hole copper sleeve 20 with the circuit board body, and further improves the production efficiency of the circuit board; the utility model is highly practical and has a strong promotional significance.

[0024] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A circuit board with metallized half holes with high production efficiency, characterized in that: It includes a circuit board body and a plurality of half-hole copper sleeves, wherein the plurality of half-hole copper sleeves are sequentially engaged with the circuit board body; a plurality of concave half-holes are provided on the side of the circuit board body, and a plurality of electric contact grooves are provided on the upper and lower surfaces of the circuit board body, wherein the electric contact grooves are respectively located on the inner sides of the plurality of concave half-holes; the half-hole copper sleeve is designed in a "∑"-shaped structure, and includes an upper card, a lower card and a half-hole copper sheet respectively connected between the upper card and the lower card; the upper card and the lower card are respectively clamped on the upper surface and the lower surface of the circuit board body, and the inner surfaces of the upper card and the lower card are provided with electric contact protrusions, and the electric contact protrusions are correspondingly engaged in the electric contact grooves; the half-hole copper sheet is designed in a semi-annular structure, which just fits the inner side of the concave half-hole.

2. The circuit board with metallized half holes with high production efficiency as claimed in claim 1, characterized in that: It also includes a fixing clip, which includes an upper clip and a lower clip; the upper clip and the lower clip are both designed in a long strip shape, wherein the upper clip is clamped on a number of upper cards, and the lower clip is clamped under a number of lower cards, and the two ends of the upper clip are also provided with a first hook extending downward, and the two ends of the lower clip are also provided with a second hook extending upward, and the first hook and the second hook are hooked with each other to limit the position.

3. The circuit board with metallized half holes with high production efficiency as claimed in claim 2, characterized in that: The upper and lower clamps of the fixing clamp are also provided with a plurality of positioning locking rods, the upper and lower cards of the half-hole copper sleeves are correspondingly provided with locking holes, and the circuit board body is correspondingly provided with a plurality of positioning holes; the positioning locking rods can be sequentially passed through the locking holes and the positioning holes to limit and fix the half-hole copper sleeves and the circuit board body.

4. The circuit board with metallized half holes with high production efficiency as claimed in claim 2, characterized in that: A plurality of baffles are also provided on the upper and lower clamps of the fixing clamp. The baffles are designed in an "L"-shaped structure and are clamped between the two half-hole copper sleeves.

5. The circuit board with metallized half holes with high production efficiency as claimed in claim 1, characterized in that: It also includes an auxiliary installation strip; the auxiliary installation strip is in the shape of an elongated strip, and its cross section is in the shape of a rounded wedge, and one end of a plurality of the half-hole copper sleeves is sequentially mounted on the auxiliary installation strip.

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