Inductor terminal with U-shaped groove fixing structure and gap positioning hole

Abstract

The invention discloses an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole, and relates to the field of inductor terminals, the inductor terminal comprises an inductor terminal body and a U-shaped groove, the inductor terminal body comprises an upper terminal pin position, a lower terminal pin position and a fixing strip, the upper terminal pin position and the lower terminal pin position are installed at the two ends of the fixing strip respectively, and the U-shaped groove is formed in the U-shaped groove. A first terminal pin, a second terminal pin, a third terminal pin and a fourth terminal pin are symmetrically installed on the periphery of the width center position of the fixing strip, the inductance terminal with the U-shaped groove fixing structure and the gap positioning holes is low in cost, the product quality of the integrally-formed inductance terminal is improved due to the fact that the size and the structure of the bottom piece are changed, and the product quality is improved. Meanwhile, the U-shaped groove is added, the U-shaped groove can fix opening and winding of the coil, after laser welding, it is ensured that the lead can be completely conducted with the inductor terminal body, and the lead can be firmly fixed to the upper terminal pin position and the lower terminal pin position of the inductor terminal body without any deviation.

Description

Technical Field

[0001] This invention relates to the field of inductor terminals, and particularly to an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole. Background Technology

[0002] Traditional terminal blocks use a planar structure. During the soldering process between the coil and the terminal block, the opening and closing of the coil wires are prone to misalignment, leading to incomplete soldering, inability to solder, or cold solder joints, resulting in defects and affecting product quality. Furthermore, the relatively wide spacing between each product and the long terminals within the entire roll of tape cause significant waste, increasing the production cost of integrally molded inductors. Traditional terminal blocks also have the following problems: 1. The positioning holes of traditional one-piece molded inductor terminals are located before and after the pins of the one-piece molded inductor chip terminals. This means that the terminal pieces must be made wider, and they need to be cut off in the later process, resulting in a lot of waste material and wasted costs. 2. Traditional molded inductor terminals lack U-shaped grooves, and each product location has two flat soldering pins. The coil is prone to misalignment during the soldering process, leading to poor soldering and severely affecting quality. This is a pain point that molded inductors have been unable to solve. 3. Traditional one-piece molded inductor terminal pieces have no fixing strip in the middle of the terminal, and the two terminals are hung upside down on the top and bottom of the terminal piece. This requires reinforcing ribs to be added on both sides of the terminal feet, which increases the distance between the two products and wastes materials.

[0003] Therefore, according to the traditional molded inductor series, the terminal blocks are all completely planar. During the opening and closing of the coil and the soldering of the terminal block pins, the leads are prone to misalignment, resulting in incomplete soldering, soldering misalignment, and poor soldering. These defects bring huge risks to the molded inductor, making it difficult to guarantee product quality. Testing relies entirely on multiple testing methods. This problem poses a risk of high product defect rates and is a technical problem that urgently needs to be solved in this field.

[0004] Therefore, it is necessary to propose an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole to solve the above problems. Summary of the Invention

[0005] The main objective of this invention is to provide an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole includes an inductor terminal body and a U-shaped groove. The inductor terminal body includes an upper terminal pin, a lower terminal pin, and a fixing strip. The upper terminal pin and the lower terminal pin are respectively installed at both ends of the fixing strip. A first lead pin, a second lead pin, a third lead pin, and a fourth lead pin are symmetrically installed around the center of the width of the fixing strip. The U-shaped groove is formed by bending the sides of the first lead pin, the second lead pin, the third lead pin, and the fourth lead pin. The inductor terminal body also includes the widths at both ends of the upper terminal pin and the lower terminal pin, and the upper and lower terminal pins are symmetrically provided with a first tape positioning hole and a second tape positioning hole at their upper and lower center positions. The inductor terminal body also includes the upper terminal pins and the lower terminal pins, and the spacing between adjacent upper terminal pins and lower terminal pins.

[0007] Preferably, the U-shaped groove includes a first U-shaped groove and a second U-shaped groove formed by bending the sides of the first lead and the second lead, and the first U-shaped groove and the second U-shaped groove are arranged side by side with respect to the center of the width of the fixing strip.

[0008] Preferably, the U-shaped groove further includes a third U-shaped groove and a fourth U-shaped groove formed by bending the sides of the third lead and the fourth lead. The third U-shaped groove and the fourth U-shaped groove are arranged side by side on the other side relative to the center of the width of the fixing strip. The U-shaped groove at one of the inductor terminal bodies includes a first U-shaped groove, a second U-shaped groove, and one of the first U-shaped groove, the second U-shaped groove, the third U-shaped groove, and the fourth U-shaped groove.

[0009] Preferably, there is one upper terminal pin and one lower terminal pin. The upper terminal pin is located on the upper part of the inductor terminal body, and the lower terminal pin is located on the lower part of the inductor terminal body. The upper terminal pin and the lower terminal pin are symmetrical about the width of the fixing strip.

[0010] Preferably, there are two upper terminal pins and two lower terminal pins, one of the upper terminal pins being divided into left and right terminal pins in the upper part, and the other of the lower terminal pins being divided into left and right terminal pins in the lower part.

[0011] Preferably, the upper terminal pin and the lower terminal pin are used as pad surfaces of the inductor terminal body, and the upper terminal pin and the lower terminal pin are located above and below the width of the inductor terminal body.

[0012] Preferably, the fixing strip is installed in the center of the opposite side of the upper terminal pin and the lower terminal pin. The fixing strip is used to fix the terminal strip roll and to position the coil to prevent the coil from shifting downward during the assembly process. The fixing strip is narrow at both ends and wide in the middle.

[0013] Preferably, the first U-shaped groove, the second U-shaped groove, the third U-shaped groove, and the fourth U-shaped groove are used to fix the opening and closing of the coil. The coil is used to be placed on the first U-shaped groove, the second U-shaped groove, the third U-shaped groove, and the fourth U-shaped groove. The first U-shaped groove, the second U-shaped groove, the third U-shaped groove, and the fourth U-shaped groove are used to fix the opening and closing of the coil by clamping them towards the middle.

[0014] Preferably, the spacing between the upper and lower terminal pins and adjacent upper and lower terminal pins includes: 4.5-7mm, 5.5-8mm, 6.5-9mm, 8.5-11mm, 10.5-14mm, and 12.5-16mm.

[0015] Preferably, the width includes 8-14mm, 9-15mm, 10-17mm, 12-20mm, 14-23mm, and 16-26mm.

[0016] Compared with the prior art, the present invention provides an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole, which has the following advantages: Compared to traditional terminal blocks, this inductor terminal with a U-shaped groove fixing structure and gap positioning holes has a lower cost. By changing the size and structure of the base plate of the inductor terminal body, the product quality of the integrally molded inductor terminal is improved. The inductor terminal body of this invention adds a U-shaped groove, making it a terminal block with a U-shaped groove. The U-shaped groove can fix the opening and closing of the coil. After the coil lead is wrapped by the terminal, it is already conductive with the inductor terminal body. After laser welding, it is ensured that the lead can be fully conductive with the inductor terminal body, and the lead will be firmly fixed to the upper and lower terminal pins of the inductor terminal body without any displacement, ensuring that the lead welding of the pins is stable and reliable. This provides quality assurance for the integrally molded inductor and greatly improves the product quality of the integrally molded inductor. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the inductor terminal body of the four U-shaped slots of the present invention.

[0018] In the diagram: 1. Inductor terminal body; 2. First tape reel positioning hole; 3. Upper terminal pin; 4. Lower terminal pin; 5. Fixing strip; 6. First U-shaped groove; 7. Second U-shaped groove; 8. First lead pin; 9. Second lead pin; 10. Third lead pin; 11. Fourth lead pin; 12. Second tape reel positioning hole; 13. Width; 14. Spacing; 15. Third U-shaped groove; 16. Fourth U-shaped groove. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0020] Example 1: like Figure 1-2 As shown, an inductor terminal with a U-shaped groove fixing structure and gap positioning hole includes an inductor terminal body 1 and a U-shaped groove. The inductor terminal body 1 includes an upper terminal pin 3, a lower terminal pin 4 and a fixing strip 5. The upper terminal pin 3 and the lower terminal pin 4 are respectively installed at both ends of the fixing strip 5. A first lead pin 8, a second lead pin 9, a third lead pin 10 and a fourth lead pin 11 are symmetrically installed around the center of the width of the fixing strip 5. The U-shaped groove is formed by bending the sides of the first lead pin 8, the second lead pin 9, the third lead pin 10 and the fourth lead pin 11. The inductor terminal body 1 also includes widths 13 at both ends of the upper terminal pin 3 and the lower terminal pin 4. The upper terminal pin 3 and the lower terminal pin 4 are symmetrically provided with a first tape positioning hole 2 and a second tape positioning hole 12 at their upper and lower positions, which can reduce the width of the inductor terminal body 1 and save costs. The inductor terminal body 1 also includes the upper terminal pin 3 and the lower terminal pin 4 and the spacing 14 between the adjacent upper terminal pin 3 and the lower terminal pin 4. The entire terminal surface of the upper terminal pin 3 and the lower terminal pin 4 can be used as the pad surface of the integrally formed inductor, so it can be better utilized.

[0021] The U-shaped channel includes a first U-shaped channel 6 and a second U-shaped channel 7 formed by bending the sides of the first lead 8 and the second lead 9. The first U-shaped channel 6 and the second U-shaped channel 7 are arranged side by side with respect to the center of the width of the fixing strip 5.

[0022] The U-shaped channel also includes a third U-shaped channel 15 and a fourth U-shaped channel 16 formed by bending the sides of the third lead 10 and the fourth lead 11. The third U-shaped channel 15 and the fourth U-shaped channel 16 are arranged side by side on the other side relative to the center of the width of the fixing strip 5.

[0023] There is one upper terminal pin 3 and one lower terminal pin 4. The upper terminal pin 3 is located on the upper part of the inductor terminal body 1, and the lower terminal pin 4 is located on the lower part of the inductor terminal body 1. The upper terminal pin 3 and the lower terminal pin 4 are symmetrical about the width of the fixing strip 5. There are two upper terminal pins 3 and two lower terminal pins 4. One upper terminal pin 3 is divided into the left and right terminal pins of the upper part, and one lower terminal pin 4 is divided into the left and right terminal pins of the lower part.

[0024] The upper terminal pin 3 and the lower terminal pin 4 are used as the pad surface of the inductor terminal body 1. The upper terminal pin 3 and the lower terminal pin 4 are located above and below the width 13 of the inductor terminal body 1.

[0025] The fixing strip 5 is installed in the center of the opposite side of the upper terminal pin 3 and the lower terminal pin 4. The fixing strip 5 is used to fix the terminal strip roll and to position the coil to prevent the coil from shifting downward during the assembly process. The fixing strip 5 is narrow at both ends and wide in the middle.

[0026] The first U-shaped groove 6, the second U-shaped groove 7, the third U-shaped groove 15, and the fourth U-shaped groove 16 are used to fix the opening and closing of the coil. The coil is used to be placed on the first U-shaped groove 6, the second U-shaped groove 7, the third U-shaped groove 15, and the fourth U-shaped groove 16. The first U-shaped groove 6, the second U-shaped groove 7, the third U-shaped groove 15, and the fourth U-shaped groove 16 are used to fix the opening and closing of the coil by clamping it in the middle. Specifically, the first U-shaped groove 6 is used in conjunction with the first lead pin 8, the second U-shaped groove 7 is used in conjunction with the second lead pin 9, the fourth U-shaped groove 16 is used in conjunction with the fourth lead pin 11, and the third U-shaped groove 15 is used in conjunction with the third lead pin 10 to fix, open, and retract the coil.

[0027] The spacing 14 between the upper terminal pin 3 and the lower terminal pin 4 and the adjacent upper terminal pin 3 and lower terminal pin 4 includes: 4.5-7mm, 5.5-8mm, 6.5-9mm, 8.5-11mm, 10.5-14mm, and 12.5-16mm.

[0028] Width 13 includes 8-14mm, 9-15mm, 10-17mm, 12-20mm, 14-23mm, and 16-26mm.

[0029] Example 2: like Figure 1 As shown, the inductor terminal body 1 has two U-shaped slots, namely the first U-shaped slot 6 and the second U-shaped slot 7; like Figure 2 As shown, the inductor terminal body 1 has four U-shaped slots, namely the first U-shaped slot 6, the second U-shaped slot 7, the third U-shaped slot 15 and the fourth U-shaped slot 16. At the same time, the upper terminal pin 3 is divided into the left and right terminal pins of the upper part, and the lower terminal pin 4 is divided into the left and right terminal pins of the lower part. The first lead pin 8, the second lead pin 9, the third lead pin 10 and the fourth lead pin 11 are respectively installed on the fixing strip 5 and the left and right terminal pins of the upper part and the left and right terminal pins of the lower part. Through holes are opened on the opposite side of the left and right terminal pins of the upper part and the opposite side of the left and right terminal pins of the lower part. Based on Example 2, it can be seen that Figure 2 The inductor terminal body 1 in Figure 1 This allows for double the number of coil installations.

[0030] Example 3: like Figures 1-2 As shown, the spacing 14 between the upper terminal pin 3 and the lower terminal pin 4 and the next upper terminal pin 3 and lower terminal pin 4 is integrated. In the inductor series: 04 series 4.5-7mm, 05 series 5.5-8mm, 06 series 6.5-9mm, 08 series 8.5-11mm, 10 series 10.5-14mm, 12 series 12.5-16mm, therefore the size of the inductor terminal body 1 of the present invention is smaller than that of the traditional one, and the utilization rate of the inductor terminal body 1 is high, which can effectively save costs.

[0031] The width 13 of the inductor terminal body 1 is the same as that of the following inductor series: 8-14mm for the 04 series, 9-15mm for the 05 series, 10-17mm for the 06 series, 12-20mm for the 08 series, 14-23mm for the 10 series, and 16-26mm for the 12 series. The size of the inductor terminal body 1 of the present invention is smaller than that of the traditional one, and the utilization rate of the inductor terminal body 1 is high, which can effectively save costs.

[0032] Example 4: The terminal spacing of traditional one-piece molded inductor terminal blocks is as follows: 04 series is 10.5-12.5mm, 05 series is 11.5-14mm, 06 series is 11.5-16.5mm, 08 series is 16-20mm, 10 series is 18.5-26mm, and 12 series is 20-28mm. The size is relatively large, and most of its parts need to be cut off during manufacturing, resulting in low utilization and a lot of material waste.

[0033] The width of traditional one-piece molded inductor terminal pieces is as follows: 04 series is 10.5mm or more, 05 series is 12.5mm or more, 06 series is 18-22mm or more, 08 series is 20-24mm or more, 10 series is 20-28mm, and 12 series is 22-30mm. They are relatively large in size, and most of them need to be cut off during manufacturing, resulting in low utilization and a lot of material waste. Traditional molded inductor 06 series terminal pieces have the following dimensions: length 20mm, width 14.5mm, thickness 0.2mm, and material is pure copper strip. At a unit price of 95 RMB / kg, the unit price is 0.05 RMB per piece. Taking the molded inductor 06 series terminal piece of this invention as an example, the newly invented terminal piece has the following dimensions: length 14mm, width 6.5mm, thickness 0.2mm, and material is also pure copper strip. At the same unit price, the unit price of this invention is 0.015 RMB per piece. Therefore, the cost of this invention is lower than other terminal pieces in the same series.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole, comprising an inductor terminal body (1) and a U-shaped groove, characterized in that: The inductor terminal body (1) includes an upper terminal pin (3), a lower terminal pin (4), and a fixing strip (5). The upper terminal pin (3) and the lower terminal pin (4) are respectively installed at both ends of the fixing strip (5). The fixing strip (5) is symmetrically equipped with a first lead pin (8), a second lead pin (9), a third lead pin (10), and a fourth lead pin (11) around the center of its width. The U-shaped groove is formed by bending the sides of the first lead pin (8), the second lead pin (9), the third lead pin (10), and the fourth lead pin (11). The inductor terminal body (1) also includes the width (13) at both ends of the upper terminal pin (3) and the lower terminal pin (4). The upper terminal pin (3) and the lower terminal pin (4) are symmetrically provided with a first tape positioning hole (2) and a second tape positioning hole (12) at the upper and lower positions of the width (13). The inductor terminal body (1) also includes the upper terminal pin (3) and the lower terminal pin (4) and the spacing (14) between the adjacent upper terminal pin (3) and the lower terminal pin (4).

2. The inductor terminal with U-shaped groove fixing structure and gap positioning hole according to claim 1, characterized in that: The U-shaped groove includes a first U-shaped groove (6) and a second U-shaped groove (7) formed by bending the sides of the first lead (8) and the second lead (9). The first U-shaped groove (6) and the second U-shaped groove (7) are arranged side by side with respect to the center of the width of the fixing strip (5).

3. The inductor terminal with U-shaped groove fixing structure and gap positioning hole according to claim 1, characterized in that: The U-shaped groove also includes a third U-shaped groove (15) and a fourth U-shaped groove (16) formed by bending the sides of the third lead (10) and the fourth lead (11). The third U-shaped groove (15) and the fourth U-shaped groove (16) are arranged side by side on the other side relative to the width center of the fixing strip (5). The U-shaped groove at one of the inductor terminal bodies (1) includes a first U-shaped groove (6), a second U-shaped groove (7), and a first U-shaped groove (6), a second U-shaped groove (7), a third U-shaped groove (15), and a fourth U-shaped groove (16).

4. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: There is one upper terminal pin (3) and one lower terminal pin (4). The upper terminal pin (3) is located on the upper part of the inductor terminal body (1), and the lower terminal pin (4) is located on the lower part of the inductor terminal body (1). The upper terminal pin (3) and the lower terminal pin (4) are symmetrical about the width of the fixing strip (5).

5. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: There are two upper terminal pins (3) and two lower terminal pins (4). One upper terminal pin (3) is divided into left and right terminal pins in the upper part, and the other lower terminal pin (4) is divided into left and right terminal pins in the lower part.

6. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: The upper terminal pin (3) and the lower terminal pin (4) are used as the pad surface of the inductor terminal body (1), and the upper terminal pin (3) and the lower terminal pin (4) are located above and below the width (13) of the inductor terminal body (1).

7. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: The fixing strip (5) is installed in the center of the opposite side of the upper terminal pin (3) and the lower terminal pin (4). The fixing strip (5) is used to fix the terminal strip roll. The fixing strip (5) is used to position the coil and prevent the coil from shifting downward during the assembly process. The fixing strip (5) is narrow at both ends and wide in the middle.

8. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: The first U-shaped groove (6), the second U-shaped groove (7), the third U-shaped groove (15) and the fourth U-shaped groove (16) are used to fix the opening and closing of the coil. The coil is used to be placed on the first U-shaped groove (6), the second U-shaped groove (7), the third U-shaped groove (15) and the fourth U-shaped groove (16). The first U-shaped groove (6), the second U-shaped groove (7), the third U-shaped groove (15) and the fourth U-shaped groove (16) are used to fix the opening and closing of the coil by clamping it in the middle.

9. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: The spacing (14) between the upper terminal pin (3) and the lower terminal pin (4) and the adjacent upper terminal pin (3) and lower terminal pin (4) includes: 4.5-7mm, 5.5-8mm, 6.5-9mm, 8.5-11mm, 10.5-14mm, and 12.5-16mm.

10. An inductor terminal with a U-shaped groove fixing structure and a gap positioning hole according to claim 1, characterized in that: The width (13) includes 8-14mm, 9-15mm, 10-17mm, 12-20mm, 14-23mm, and 16-26mm.

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