Electronic component and manufacturing method thereof

Abstract

To attach a component body to a terminal member without welding, for example, and to improve the vibration resistance of an electronic component including the component body and the terminal member.SOLUTION: An electronic component (2) includes: a component body (4); a terminal member (6) arranged on a side surface (14) of the component body; and a holder (8) including a storage portion (formed of a through hole 50) in which the component body and the terminal member are accommodated. Therein a portion of the terminal member is sandwiched between the side surface of the component body and the holder.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to electronic components and methods for manufacturing the same. [Background technology]

[0002] The electronic components are mounted and connected to, for example, a circuit board, and are connected to other electronic components via the circuit board.

[0003] It is known that exterior components of electronic components are used as electrical conductors. For example, it is known that the metal casing of an electrolytic capacitor is welded to a fixing plate, and the electrolytic capacitor is connected to a circuit board via the fixing plate (for example, Patent Document 1).

[0004] A capacitor having a metal part disposed between a case and a mounting plate is known (see, for example, Patent Document 2). In this capacitor, the metal part is disposed at the bottom end of the case. The terminals of the winding element pass through openings in the metal part, and the terminals and protrusions of the metal part are inserted into openings in the mounting plate. The terminals and protrusions are disposed at the bottom of the case, and form contacts with a printed circuit board. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Special Publication No. 2003-530719 [Patent Document 2] Special Publication No. 2022-541898 Summary of the Invention [Problem to be solved by the invention]

[0006] However, welding the fixing plate to the metal casing requires a welding process, which is a complicated process that requires a lot of time and effort to connect the fixing plate. Furthermore, welding to the metal casing has the problem that the characteristics of the electronic components may change due to heat. Furthermore, there is a possibility that the airtightness may be deteriorated and the lifespan may be shortened.

[0007] If the base of the contact points (capacitor terminals and protrusions) with the printed circuit board are located closer to the center of the capacitor than to the side of the case, the distance from the center of gravity of the capacitor to the base of the contacts becomes shorter, which poses the problem of not being able to provide high vibration resistance.Vibration resistance is necessary in environments where vibration is present.

[0008] Therefore, an object of the present disclosure is to attach a component body to a terminal member without welding, for example, and to improve the vibration resistance of an electronic component including the component body and terminal member. [Means for solving the problem]

[0009] To achieve the above object, according to a first aspect of the present disclosure, an electronic component includes a component body, terminal members disposed on a side surface of the component body, and a holder including a storage section for storing the component body and the terminal members, wherein a portion of the terminal members is sandwiched between the side surface of the component body and the holder.

[0010] In the electronic component, the terminal member may include a gripping portion that grips the side surface of the component body.

[0011] In the electronic component, the terminal member may include a locking portion that locks onto the holder.

[0012] In the above electronic component, the terminal member may include a claw portion that engages with, contacts, or presses against the side surface of the component body.

[0013] In the electronic component, the holder may include a side hole or an internal recess that engages with the rear surface of the claw portion.

[0014] In the electronic component, the component body may include the side surface that functions as an electrical conductor, and the terminal member may be disposed on the side surface and function as a terminal for the electrical conductor.

[0015] To achieve the above object, according to a second aspect of the present disclosure, a method for manufacturing an electronic component includes the steps of: storing a component body and terminal members disposed on a side surface of the component body in a holder; and sandwiching a portion of the terminal members between the side surface of the component body and the holder. In the method for manufacturing an electronic component, the component body and the terminal members may be stored in the holder by attaching the integrated component body and terminal members to the holder, or by attaching the component body to the terminal members attached to the holder.

[0016] In the method for manufacturing an electronic component described above, the terminal member functioning as a terminal for the electrical conductor may be disposed on the side surface of the component body including the side surface functioning as an electrical conductor.

[0017] The method for manufacturing an electronic component may further include a step of rotating the terminal members arranged on the side surfaces of the component body relative to the component body to remove a coating from the component body. [Effects of the Invention]

[0018] According to the present disclosure, the following effects can be obtained.

[0019] (1) The component body can be attached to the terminal member without welding. A part of the terminal member is sandwiched between the side of the component body and the holder, which provides strong vibration resistance and high connection strength. [Brief explanation of the drawings]

[0020] [Figure 1] 1 is an exploded perspective view of an example of an electronic component according to an embodiment; [Figure 2]2A and 2B are diagrams showing a component body and terminal members of the electronic component; [Figure 3] FIG. 4 is a cross-sectional view showing the connection between the terminal member and the holder. [Figure 4] 1A to 1C are diagrams illustrating an example of a manufacturing process for a terminal member. [Figure 5] FIG. 10 is a diagram showing the terminal member after manufacture. DETAILED DESCRIPTION OF THE INVENTION

[0021] FIG. 1 shows an exploded perspective view of an example of an electronic component according to an embodiment. The exploded perspective view shows a component body 4, terminal members 6, and holder 8 before assembly. FIG. 2 shows the component body and terminal members. FIG. 2B is a partial enlarged view of FIG. 2A. In FIG. 2B, the component body 4 is indicated by dashed lines. The component body 4 and terminal members 6 shown in FIG. 2 are the component body 4 and terminal members 6 in a state in which the electronic component 2 is assembled. In other words, FIG. 2 shows an electronic component 2 without the holder 8. The configuration shown in FIG. 1 or 2 is merely an example, and the technology of the present disclosure is not limited to such a configuration. In this disclosure, the side on which the component body 4 is disposed is defined as the upper side, and the side on which the holder 8 is disposed is defined as the lower side. Furthermore, the portion of the electronic component 2 that is farther from the center line of the electronic component 2 than the side surface 14 of the component body 4 or the terminal members 6 is defined as the outside of the component body 4 or the terminal members 6, and may be simply referred to as the "outside."

[0022] The electronic component 2 is a unit that can be mounted on, for example, a circuit board, and includes a component body 4, terminal members 6, and a holder 8. As shown in FIG. 2, the terminal members 6 are arranged on a side surface 14 of the component body 4. As shown in FIG. 3, the component body 4 and terminal members 6 are inserted into the holder 8, the holder 8 houses the terminal members 6 and a portion of the component body 4, and a portion of the terminal members 6 is arranged and sandwiched between the side surface 14 of the component body 4 and the holder 8. Through this arrangement, insertion, and sandwiching, the component body 4, terminal members 6, and holder 8 are integrated, and the terminal members 6 are electrically connected to the component body 4.

[0023] The component body 4 has, for example, a cylindrical or approximately cylindrical shape, end faces 12, 13, a side face 14, a terminal 16 (FIG. 2) protruding from the end face 12, and a recess 18 formed in the side face 14 near the end face 12. The side face 14 is conductive and functions as an electrical conductor. The component body 4 is an active component, a passive component, or the like, and includes a cell such as an axial cell to form an electricity storage device. An axial cell is a component with electrodes formed on both ends. The component body 4 includes, for example, an exterior component 22, a capacitor element which is an example of an axial cell, and a sealing member.

[0024] The exterior part 22 is, for example, an aluminum case, and has, for example, a cylindrical shape with a bottom, and forms the end faces 13 and side faces 14 of the component body 4. The exterior part 22 functions as an electrical conductor for the component body 4.

[0025] The capacitor element has a cathode terminal protruding from one end and an anode terminal protruding from the other end, the anode terminal forming a terminal 16 of the component body 4. The capacitor element is inserted inside the exterior part 22, and the cathode terminal contacts the bottom of the exterior part 22, i.e., the end face 13 of the component body 4, so that the side face 14 functions as the cathode of the electricity storage device.

[0026] The sealing member is attached to the opening of the exterior part 22 and closes the opening of the exterior part 22. The opening of the exterior part 22 and the sealing member form the end face 12 of the component body 4. The sealing member has a through hole, and the anode terminal of the capacitor element, i.e., terminal 16, protrudes from the through hole. The sealing member is pressed by the recess 18 and fixed to the exterior part 22. The recess 18 has, for example, a circular ring shape, and is arranged on the outside of the sealing member so as to surround the side surface of the sealing member, pressing against the side surface of the sealing member from all directions on a plane. The recess 18 is a crimped portion formed, for example, by crimping.

[0027] The terminal member 6 is an electronic component classified as, for example, a mechanical component or an auxiliary component. The terminal member 6 is disposed on the side surface 14 of the component body 4. The terminal member 6 is attached to the component body 4. The attachment range RA of the terminal member 6 relative to the side surface 14 is, for example, greater than one-third of the width of the side surface 14. As the attachment range RA increases, the overlapping area of ​​the terminal member 6 relative to the side surface 14 increases, improving retention and stabilizing attachment between the component body 4 and the terminal member 6. The terminal member 6 is made of a material that has spring properties, spring characteristics, or material-induced spring properties (hereinafter simply referred to as "spring properties") and low resistance characteristics, and is formed from a metal material such as phosphor bronze. The terminal member 6 is electrically conductive and functions as a terminal (e.g., an auxiliary terminal or a cathode terminal) for the side surface 14, which functions as an electrical conductor (e.g., a cathode). The terminal member 6 includes a gripping portion 32, a contact portion 36 having multiple claw portions 34, a locking portion 38, and a terminal portion 40.

[0028] The gripping portion 32 is, for example, a curved portion having a ring shape. The gripping portion 32 extends in the circumferential direction of the side surface 14 of the component body 4 and covers the side surface 14 to grip the side surface 14. The ring shape may be a complete ring shape or a ring shape with a gap 41. If the gripping portion 32 surrounds, for example, 70 percent or more but less than 100 percent of the side surface 14 in the circumferential direction of the side surface 14, the gripping portion 32 can grip the side surface 14 of the component body 4. For example, the inner diameter D1 of the gripping portion 32 is expanded to match the diameter D2 of the component body 4 when the component body 4 is attached. Therefore, the gripping portion 32 presses against the side surface 14 of the component body 4.

[0029] The width W of the gripping portion 32 is adjusted, for example, based on the holding ability of the gripping portion 32 to the component body 4. As the width W increases, the holding ability increases.

[0030] The gripping portion 32 may have slits 42-1 on both sides of the claw portion 34 and slits 42-2 on both sides of the locking portion 38. The slits 42-1 maintain the width W of the gripping portion 32 while increasing the length L1 of the claw portion 34 in accordance with the length S1 of the slit 42-1. The slits 42-2 maintain the width W of the gripping portion 32 while increasing the length L2 of the locking portion 38 in accordance with the length S2 of the slit 42-2. Therefore, the spring constants of the claw portion 34 and the locking portion 38, which function as leaf springs, are adjusted by the slits 42-1 and 42-2. The ratio of the length L1 to the length S1 (L1:S1) is, for example, 3:1, and the ratio of the length L2 to the length S2 (L2:S2) is, for example, 5:1. These ratios are merely examples and may be changed depending on the size of the component body 4.

[0031] The contact portion 36 has multiple claw portions 34. The multiple claw portions 34 of the contact portion 36 protrude from the grip portion 32 in a transverse direction (e.g., a perpendicular direction). The transverse direction is defined as a direction that intersects with the extension direction of the grip portion 32 (i.e., the circumferential direction of the side surface 14), and the perpendicular direction is an example of the transverse direction and is defined as a direction that is perpendicular to the extension direction of the grip portion 32. The claw portions 34 are disposed below the grip portion 32. The claw portions 34 have a bent portion 34-2 in their middle portion, and the bent portion 34-2 bends the claw portions 34. The tip ends 34-4 of the claw portions 34 engage, contact, or press against the side surface 14 of the component body 4, thereby allowing the contact portion 36 to grip the component body 4 at the side surface 14. The tip ends 34-4 of the claw portions 34 engage with, for example, the recesses 18 of the component body 4. The engagement, contact, or pressure contact between the claw portion 34 and the side surface 14 causes the claw portion 34 to bend, for example, toward the outside of the terminal member 6. The tip 34-4 of the claw portion 34 is pressed against the component body 4 by spring force, elastic restoring force, spring properties, or the like, and the claw portion 34 holds the component body 4.

[0032] The number of claw portions 34 is, for example, eight. Two claw portions 34 form one set of claw portions 34, and the contact portion 36 has, for example, four sets of claw portions 34. The four sets of claw portions 34 are, for example, arranged at equal intervals, and the angle between the lines connecting the centers of two adjacent sets of claw portions 34 and the center of the ring is set to 90 degrees. Therefore, engagement, contact, or pressure contact from four directions ensures stable gripping by the contact portion 36. The number of claw portions 34 may be any number other than eight.

[0033] The claw 34 includes a base 34-1, a bent portion 34-2, a tip 34-3, and a tip 34-4, and has a base inclination angle θ1 and a bending angle θ2. The base 34-1 is the portion from the boundary between the grip 32 and the claw 34 to the bent portion 34-2. The tip 34-3 is the portion from the bent portion 34-2 to the tip 34-4 of the claw 34. The base inclination angle θ1 is the inclination angle of the base 34-1 with respect to the surface of the grip 32 and is an acute angle. The bending angle θ2 is the inner angle of the bent portion 34-2 and is, for example, approximately 150°. The length of the base 34-1, the length of the tip 34-3, and the bending angle θ2 are adjusted so that the angle θ3 of the tip 34-3 with respect to the side surface 14 (hereinafter referred to as the "tip angle θ3") is, for example, 10° or more and less than 45°. When the tip angle θ3 is 10° or more, the tip 34-4 of the claw 34 is pressed against the component body 4 due to spring force, elastic restoring force, spring properties, or the like. When the tip angle θ3 is less than 45°, the inner surface of the holder 8 can press the claw 34 down toward the component body 4 when the component body 4 and terminal member 6 are inserted into the holder 8. Therefore, when the component body 4 and terminal member 6 are inserted into the holder 8, there is no need to press the claw 34 down toward the component body 4 by means other than the inner surface of the holder 8.

[0034] The locking portion 38 has, for example, a plate shape and protrudes from the gripping portion 32 in a transverse direction (for example, a perpendicular direction). The locking portion 38 is positioned above the gripping portion 32. In the component state, the locking portion 38 is bent outward at a bent portion 44 located near the gripping portion 32, as shown in FIG. 1 . The bent locking portion 38 has spring properties and presses against the inner surface of the holder 8, thereby fixing the component body 4 and the terminal member 6 to the holder 8. For example, the upper end of the locking portion 38 presses against the inner surface of the holder 8 with force F, as shown in FIG. 3A, and locks to the inner surface of the holder 8. Because the locking portion 38 is coupled to the gripping portion 32, the lower end of the locking portion 38 is fixed to the side surface 14 of the component body 4 by the gripping portion 32 and the contact portion 36. Therefore, the locking portion 38 is positioned and sandwiched between the side surface of the component body 4 and the inner surface of the holder 8, acting as a wedge for the component body 4 and the holder 8.

[0035] The number of locking portions 38 is, for example, four. The four locking portions 38 are arranged, for example, at equal intervals, and the angle between the lines connecting two adjacent locking portions 38 and the center of the ring is set to 90 degrees. Therefore, by being pressed against the holder 8 in four directions, the component body 4 and the terminal member 6 are stably fixed to the holder 8. The number of locking portions 38 may be any number other than four.

[0036] The locking portions 38 are disposed, for example, in the middle of two adjacent pairs of claw portions 34, and the distances from the locking portions 38 to the two adjacent pairs of claw portions 34 are the same. Therefore, one pair of claw portions 34 is disposed, for example, in the middle of two adjacent pairs of claw portions 38, and the distances from one pair of claw portions 34 to the two adjacent pairs of claw portions 38 are the same. The claw portions 34 and the locking portions 38 may partially or entirely satisfy these arrangements.

[0037] The terminal portion 40 protrudes from the grip portion 32 in a transverse direction (for example, a perpendicular direction). The terminal portion 40 is disposed on an extension line or central axis of the locking portion 38, and below the grip portion 32. The terminal portion 40 is connected to, for example, a circuit board, and thus connects the component body 4 to the circuit board. The tip of the terminal portion 40 has a function of engaging, for example, with a connection hole in the board, and is, for example, a press-fit connector or press-fit terminal. The tip of the terminal portion 40 may be connected to the circuit board by a connection means such as solder.

[0038] The number of terminal portions 40 is, for example, four. The four terminal portions 40 are arranged, for example, at equal intervals, and the angle between the lines connecting two adjacent terminal portions 40 and the center of the ring is set to 90 degrees. Therefore, the terminal portions 40 surround the component body 4, and the electronic component 2 is connected to the circuit board at the four corners. The number of terminal portions 40 may be any number other than four.

[0039] Terminal portion 40 is disposed directly below or near side surface 14, for example, disposed outside side surface 14. Since terminal portion 40 is disposed away from the center line of electronic component 2 that passes through the center of gravity of electronic component 2, electronic component 2 in a connected state is stabilized, and the vibration resistance of electronic component 2 is improved.

[0040] The holder 8 is a rigid member that holds the component body 4 and the terminal members 6. It is made of, for example, an insulating resin such as polyphenylene sulfide (PPS). The holder 8 may also be made of polyamide (PA), polybutylene terephthalate (PBT), or the like. The holder 8 has, for example, an octagonal prism-like outline, with four first side faces 46-1 and four second side faces 46-2. The first side faces 46-1 and the second side faces 46-2 are alternately arranged. The holder 8 may have a polygonal prism-like outline other than an octagonal prism, or may have a cylindrical outline. As the number of corners increases, the outlines of the upper and lower parts of the holder 8 become closer to a circle. This reduces the variation in the distance from the side face 14 of the component body 4 to the side face of the holder 8 in the circumferential direction, thereby enabling the overall dimensions (width and depth) of the electronic component 2 to be reduced. The holder 8 includes a through hole 50, a side hole 52, and a receiving portion 54.

[0041] The through-hole 50 penetrates the center of the holder 8 from the top to the bottom, forming the inner surface of the holder 8. The through-hole 50 has a diameter slightly larger than the outer diameter of the gripping portion 32 of the terminal member 6 attached to the component body 4, forming a storage compartment for storing the terminal member 6 and the component body 4. The end face 12 and lower portion of the component body 4 and the terminal member 6 are inserted into the through-hole 50, thereby storing the terminal member 6 and a portion of the component body 4 in the storage compartment of the holder 8. The holder 8 covers a portion of the side surface 14 of the component body 4, and a portion of the terminal member 6 is positioned and sandwiched between the side surface 14 of the component body 4 and the holder 8. The area covered by the side surface 14 by the holder 8 (hereinafter referred to as the "holder coverage area") corresponds, for example, to the attachment area RA of the terminal member 6. As the holder coverage area increases, the overlapping area between the component body 4, terminal member 6, and holder 8 increases, resulting in a stronger bond between the component body 4, terminal member 6, and holder 8. When the holder coverage area is reduced, the insertion depth of the component body 4 and the terminal members 6 into the holder 8 is reduced, making it easier to insert the component body 4 and the terminal members 6. The holder coverage area is, for example, one-third the width of the side surface 14.

[0042] The side hole 52 is formed in the first side surface 46-1 and reaches the storage section formed by the through hole 50. The side hole 52 overlaps with the claw portion 34 of the terminal member 6, exposing the claw portion 34. Therefore, the claw portion 34 can come into contact with the side surface 14 of the component body 4 without being pressed by the holder 8.

[0043] 3B, the bent portion 34-2 of the claw portion 34 is positioned outward of the gripping portion 32. Therefore, when the component body 4 and the terminal member 6 attempt to be removed from the holder 8, the back surface of the claw portion 34 engages with the edge of the side hole 52, preventing the component body 4 and the terminal member 6 from being removed.

[0044] The receiving portion 54 is formed on the lower part of the inner surface facing the second side surface 46-2, and protrudes toward the center of the holder 8. The receiving portion 54 has a terminal hole 56. The receiving portion 54 comes into contact with the end surface 12 of the component body 4 and determines the position of the end surface 12 of the component body 4 in the height direction. The terminal portion 40 is inserted into the terminal hole 56, and this insertion positions the component body 4 and the terminal member 6 relative to the holder 8.

[0045] As shown in FIGS. 3A and 3B, the terminals 16 and the terminal portions 40 protrude from the lower surface of the holder 8, and the protruding portions of the terminals 16 and the terminal portions 40 are connected to, for example, a circuit board.

[0046] Fig. 4 shows an example of a manufacturing process for a terminal member. Fig. 5 shows the terminal member after manufacturing. The manufacturing process shown in Fig. 4 and the configuration shown in Fig. 5 are examples, and the technology of the present disclosure is not limited to such processes and configurations.

[0047] The manufacturing process of the terminal member 6 is an example of a method for manufacturing an electronic component according to the present disclosure. The manufacturing process of the terminal member 6 includes, for example, a cutting step, a first shaping step, and a second shaping step.

[0048] In the cutting process, the plate of the metal member described above is prepared and cut into a predetermined shape by, for example, shearing using a die, to obtain a flat plate member 62 having the predetermined shape shown in FIG. 4A. The plate of the metal member may be cut into the predetermined shape by a cutting machine such as a laser cutting machine or a water jet cutting machine. The flat plate member 62 having the predetermined shape has the gripping portion 32, contact portion 36, locking portion 38, and terminal portion 40 before being formed.

[0049] In the first forming step, the gripping portion 32 of the flat plate member 62 is bent into, for example, a ring shape by bending to obtain, for example, an annular member 64 having a predetermined shape, as shown in FIG. 4B. In the first forming step, the entire flat plate member 62 may be bent into a ring shape. The bending may be, for example, O-bending (cylindrical bending) using a die or roll bending using a roll. In the first forming step, the flat plate member 62 is bent so that the inner diameter D3 (FIG. 5) of the gripping portion 32 is smaller than the diameter D2 of the component main body 4. The die or roll used in the bending step may be adjusted according to the inner diameter D3 of the gripping portion 32 of the annular member 64.

[0050] In the second forming step, the contact portion 36 and the locking portion 38 of the annular member 64 are bent into a predetermined shape by bending to obtain the terminal member 6 shown in Fig. 5. The bending in the second forming step is, for example, die bending.

[0051] In the manufactured terminal member 6, the inner diameter D3 of the gripping portion 32 is smaller than the diameter D2 of the component body 4. Therefore, when the gripping portion 32 is attached to the side surface 14 of the component body 4, the inner diameter D3 expands to the diameter D2, and the gripping portion 32 is pressed against the side surface 14 of the component body 4.

[0052] In the manufactured terminal member 6, the locking portions 38 are inclined outward at an inclination angle θ4 relative to the gripping portion 32. Therefore, the terminal member 6 has a flared structure in which the upper portion is flared due to the multiple locking portions 38, and this flared structure makes it easy to guide the component body 4. For example, as shown in FIG. 5 , only a portion of the locking portions 38 may be inclined, or the entire locking portions 38 may be inclined. When the component body 4 is inserted into the terminal member 6, the tips of the locking portions 38 are positioned outward of the component body 4, and the locking portions 38 guide the component body 4, making it easier to insert the component body 4 into the terminal member 6.

[0053] The inclination angle θ4 is, for example, 6°, an angle that is, for example, 1° or more larger than the inclination angle (for example, approximately 0°) of the locking portion 38 disposed between the component body 4 and the holder 8. Therefore, when the component body 4 and the terminal member 6 are inserted into the holder 8, the locking portion 38 moves toward the component body 4, and is pressed against the inner surface of the holder 8 by spring force, elastic restoring force, spring properties, or the like. As a result, the component body 4 and the terminal member 6 are fixed to the holder 8.

[0054] In the manufactured terminal member 6, the claw portions 34 are inclined outward, for example, at a base inclination angle θ5 with respect to the surface of the gripping portion 32. The base inclination angle θ5 is an angle that is smaller, for example, by 1° or more, than the aforementioned base inclination angle θ1 after the component body 4 is inserted into the terminal member 6. Therefore, when the component body 4 is inserted into the terminal member 6, the claw portions 34 move toward the outside of the terminal member 6 and press against the side surface 14 of the component body 4 due to the function of the leaf spring.

[0055] The manufacturing process for the electronic component is an example of a manufacturing method for an electronic component according to the present disclosure, and includes, for example, a component preparation step, a terminal member attachment step, a coating removal step, and a holder attachment step.

[0056] In the component preparation step, the component body 4, terminal member 6, and holder 8 are prepared. The component body 4, terminal member 6, and holder 8 may be manufactured or purchased. The terminal member 6 is manufactured, for example, by the manufacturing process for terminal members described above. The holder 8 is manufactured, for example, by resin molding using a mold. The holder 8 may also be manufactured, for example, by a 3D printer.

[0057] In the terminal member attachment process, the component body 4 is inserted into the terminal member 6 from the locking portion 38 side, and the component body 4 is attached to the terminal member 6. The gripping portion 32 spreads and wraps around the side surface 14 of the component body 4. The claw portion 34 also spreads outward and engages with the recess 18.

[0058] In the coating removal step, for example, the component body 4 is rotated in the circumferential direction relative to the terminal member 6. The terminal member 6 may also be rotated in the circumferential direction relative to the component body 4. By rotating the component body 4 or the terminal member 6, for example, the claws 34 scrape the surface of the component body 4, removing a coating such as an oxide coating. Removing the coating reduces the contact resistance between the component body 4 and the terminal member 6, and reduces power loss.

[0059] In the holder attachment process, the integrated component body 4 and terminal member 6 are inserted into the through-hole 50 of the holder 8 from the end face 12 side and attached to the holder 8. During insertion of the component body 4 and terminal member 6, the inner surface of the holder 8 moves the claw portion 34 toward the component body 4. When the bent portion 34-2 of the claw portion 34 reaches the side hole 52, the claw portion 34 returns to its pre-insertion shape due to springback. This allows the back surface of the claw portion 34 to engage with the side hole 52, preventing the component body 4 and terminal member 6 from being separated. Furthermore, the locking portion 38 of the terminal member 6 is pressed toward the component body 4 by the inner surface of the holder 8, and the locking portion 38 is pressed against the inner surface of the holder 8 due to spring force, elastic restoring force, or spring properties. As a result, the holder 8 holds and secures the component body 4 and terminal member 6.

[0060] When electronic component 2 is installed on, for example, a circuit board, terminals 16 and terminal portions 40 are connected to the circuit board, and component body 4 and terminal members 6 are directly fixed to the circuit board. Connection of terminals 16 and terminal portions 40 to the circuit board further prevents component body 4 and terminal members 6 from detaching from holder 8. In other words, connection of electronic component 2 to the circuit board strengthens the integration of component body 4, terminal members 6, and holder 8.

[0061] According to the embodiment, the following effects can be obtained.

[0062] (1) The component body 4 is inserted into the terminal member 6, and the terminal member 6 and the component body 4 are then inserted into the holder 8, thereby assembling the electronic component 2. In the assembly, no complicated steps such as welding are required.

[0063] (2) The terminal members 6 are sandwiched between the side surface 14 of the component body 4 and the holder 8. Therefore, the holder 8 covers the outside of the terminal members 6, strengthening the connection of the terminal members 6 to the component body 4. When vibrations are applied to the electronic component 2, the holder 8 restricts the movement of the terminal members 6, preventing the terminal members 6 from separating from the component body 4. Therefore, strong vibration resistance and high connection strength can be obtained without welding.

[0064] (3) The gripping portion 32 and the contact portion 36 grip the component body 4. Furthermore, the claw portions 34 of the contact portion 36 engage with, contact, or press against the component body 4. When vibration is applied to the electronic component 2, the gripping, engagement, contact, or pressure contact prevents the terminal member 6 from separating from the component body 4. Therefore, strong vibration resistance and high connection strength can be obtained without welding.

[0065] (4) The locking portion 38 of the terminal member 6 acts as a wedge. When vibration is applied to the electronic component 2, the holder 8 prevents the movement of the terminal member 6 via the locking portion 38, preventing the terminal member 6 from separating from the component body 4. As a result, strong vibration resistance and high connection strength can be achieved without welding.

[0066] (5) Since the claws 34 engage with the recesses 18 of the component body 4, the attachment position of the component body 4 relative to the terminal member 6 is specified, and displacement due to vibration is prevented.

[0067] (6) The tip 34-4 of the claw 34 contacts the recess 18 at a position inside the surface of the normal side surface 14 (i.e., the portion of the side surface 14 where the recess 18 is not formed), reducing the amount of outward protrusion of the claw 34. This reduces the amount of deformation of the claw 34 when the component body 4 is inserted into the terminal member 6, making it relatively easy to insert the component body 4 into the terminal member 6.

[0068] (7) The rear surface of the claw portion 34 engages with the side hole 52, preventing the component body 4 and the terminal member 6 from being separated.

[0069] (8) The terminals 40 are disposed on the periphery of the side surface 14 of the component body 4 and are spaced apart from the center line of the electronic component 2. This improves the stability and vibration resistance of the electronic component 2.

[0070] (9) The slits 42-1 and 42-2 release stress when the claw portion 34 and the locking portion 38 are bent, thereby reducing the stress applied to the grip portion 32 due to the bending of the claw portion 34 and the locking portion 38.

[0071] The following are some characteristics and modifications of the embodiment described above.

[0072] (1) In the above embodiment, the component body 4 is, for example, an electricity storage device, but it may be other components such as an inductor, a diode, or a transistor. Furthermore, the component body 4 may be an electricity storage device that belongs to the radial component category. A radial component is a component with leads extending from one side of the component.

[0073] (2) In the above embodiment, the terminal member 6 functions as an auxiliary terminal or a cathode terminal. However, the side surface 14 of the component body 4 may function as an electrical conductor other than a cathode, and the terminal member 6 may function as a connection terminal or a connection conductor that connects the side surface 14 of the component body 4 to an external component. For example, the component body 4 may be another component such as an inductor, diode, or transistor, and the side surface 14 of the component body 4 may function as a lead conductor, and the terminal member 6 may function as a connection terminal or a connection conductor. The side surface 14 of the component body 4 may function as a ground conductor, and the terminal member 6 may function as a ground terminal or a ground conductor.

[0074] (3) The vibration resistance of the electronic component 2 is enhanced by, for example, the following factors (i) to (iv): However, the vibration resistance of the electronic component 2 may also be enhanced by at least one of the following factors (i) to (iv). (i) The terminal member 6 is disposed and clamped between the side surface 14 of the component body 4 and the holder 8, thereby preventing the movement of the terminal member 6; (ii) gripping by the gripping portion 32; (iii) gripping by the contact portion 36 or fixation by the claw portion 34; and (iv) The movement of the terminal member 6 is prevented by the locking portion 38 which acts as a wedge.

[0075] (4) The component body 4 has, for example, a cylindrical shape, but may have other shapes such as a square prism or a polygonal prism. The gripping portion 32 may have a shape other than a ring shape depending on the shape of the side surface 14 of the component body 4.

[0076] (5) In the above embodiment, the tip 34-4 of the claw portion 34 engages with the recess 18 of the component body 4. However, the tip 34-4 of the claw portion 34 may contact or press against the flat side surface 14 of the component body 4.

[0077] (6) The locking portion 38 may be a wedge portion having a wedge shape that is thick at one end and becomes thinner toward the other end, and may function as a wedge against the component body 4 and the holder 8 due to its wedge shape.

[0078] (7) In the above embodiment, the recess 18 is a crimped portion. However, the recess 18 may be a recess formed at a position corresponding to the claw portion 34 and dedicated to the claw portion 34, and is not limited to a crimped portion. The recess 18 may be partially disposed in the circumferential direction of the side surface 14.

[0079] (8) In the above embodiment, the side hole 52 reaches the bottom of the holder 8. The side hole 52 may be formed at a position overlapping the claw portion 34 and in the surrounding area thereof. The bottom of the first side surface 46-1 may be connected with resin or the like, or a single receiving portion 54 may be formed in a circular shape that contacts the end surface 12 of the component body 4.

[0080] (9) The claw portion 34 may be positioned away from the edge of the side hole 52 and in the center of the side hole 52. A portion of the base 34-1 of the claw portion 34 may be positioned outside the side hole 52 and may overlap the inner surface of the holder 8. The remaining portion of the claw portion 34 may be positioned in the side hole 52. The portion of the base 34-1 positioned outside the side hole 52 may be pressed against the inner surface of the holder 8, and the pressure contact between the locking portion 38 and the claw portion 34 may improve vibration resistance and connection strength.

[0081] (10) In the above embodiment, the side holes 52 of the holder 8 provide space for the claws 34 to return to their pre-insertion shape and engage with the back surfaces of the claws 34. However, the holder 8 may have internal recesses instead of the side holes 52. The internal recesses may provide space for the claws 34 to return to their pre-insertion shape and may engage with the back surfaces of the claws 34.

[0082] (11) In the above embodiment, the tip 34-4 of the claw portion 34 is flat. However, the tip 34-4 of the claw portion 34 may have a curved shape corresponding to the shape of the recess 18, for example. The curved shape may be formed by processing the tip 34-4 of the claw portion 34 into a curved surface, or by bending the tip 34-3 of the claw portion 34.

[0083] (12) The terminal member 6 (e.g., the locking portion 38) may have an uneven surface. The uneven surface may increase the thickness of the terminal member 6, thereby strengthening the pressure contact of the terminal member 6 with the holder 8 and improving vibration resistance.

[0084] (13) The attachment area RA, holder coverage area, width W, lengths L1, L2, S1, S2, angles θ1 to θ5, and diameters D1 to D3 of the terminal member 6 may be adjusted as appropriate and are not limited to the values ​​or ranges described in the specification or values ​​readable from the drawings. For example, in the above embodiment, the inner diameter D3 of the manufactured terminal member 6 is smaller than the diameter D2 of the component body 4. However, the inner diameter D3 of the terminal member 6 may be the same as or larger than the diameter D2 of the component body 4. The gripping portion 32 of the terminal member 6 may be pressed against the side surface 14 of the component body 4 by pressure from the holder 8.

[0085] (14) In the above embodiment, the component body 4 is inserted into the terminal member 6, and then the component body 4 and the terminal member 6 are inserted into and attached to the holder 8. However, the manufacturing process is not limited to this process. For example, the component body 4 may be inserted into and attached to the terminal member 6 that has been inserted into and attached to the holder 8. A portion of the terminal member 6 may be inserted (preset) into the holder 8, and then the component body 4 may be pressed into the preset terminal member 6 and holder 8.

[0086] (15) In the above embodiment, the manufacturing process includes a coating removal step, in which the terminal member 6 removes the coating from the surface of the component body 4. However, the coating may be removed by a removal means other than the terminal member 6 before the terminal member 6 is attached.

[0087] As explained above, the most preferred embodiments of the present disclosure have been described. The technology of the present disclosure is not limited to the above description. Those skilled in the art can make various modifications and changes to the technology of the present disclosure based on the contents described in the claims or disclosed in the specification. It goes without saying that such modifications and changes are included in the scope of the present disclosure. [Industrial Applicability]

[0088] The technology of the present disclosure can be usefully applied to electronic components such as electricity storage devices. [Explanation of symbols]

[0089] 2. Electronic Components 4. Part body 6 Terminal material 8 Holder 12, 13 End face 14 Side 16 terminals 18 Recess 22 Exterior parts 32 Gripping part 34 Claw 34-1 Base 34-2 Bend 34-3 Tip 34-4 Tip 36 Contact area 38 Locking part 40 Terminal section 41 Gap 42-1, 42-2 slits 44 Bending section 46-1 First Aspect 46-2 The Second Aspect 50 through holes 52 Side hole 54 Receiving part 56 Terminal hole 62 Flat Plate Members 64 Annular member

Claims

1. A component body; a terminal member disposed on a side surface of the component body; a holder including a storage portion in which the component body and the terminal member are stored; Equipped with a portion of the terminal member being sandwiched between the side surface of the component body and the holder;

2. The electronic component according to claim 1 , wherein the terminal member includes a gripping portion that grips the side surface of the component body.

3. The electronic component according to claim 1 , wherein the terminal member includes a locking portion that locks onto the holder.

4. 2. The electronic component according to claim 1, wherein the terminal member includes a claw portion that engages with, contacts, or presses against the side surface of the component body.

5. The electronic component according to claim 4 , wherein the holder includes a side hole or an internal recess that engages with the rear surface of the claw portion.

6. the component body includes the side surface that functions as an electrical conductor; The electronic component according to claim 1 , wherein the terminal member is disposed on the side surface and functions as a terminal for the electrical conductor.

7. A method for manufacturing an electronic component, comprising the steps of: storing a component body and a terminal member to be arranged on a side surface of the component body in a holder; and clamping a portion of the terminal member between the side surface of the component body and the holder.

8. 8. The method for manufacturing an electronic component according to claim 7, wherein the component body and the terminal members are housed in the holder by attaching the integrated component body and the terminal members to the holder, or by attaching the component body to the terminal members attached to the holder.

9. The method for manufacturing an electronic component according to claim 7 , wherein the terminal member functioning as a terminal for the electrical conductor is disposed on the side surface of the component body including the side surface functioning as an electrical conductor.

10. 10. The method for manufacturing an electronic component according to claim 7, further comprising the step of rotating the terminal member arranged on the side surface of the component body relative to the component body to remove a coating from the component body.

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