JP3118492B2 - Terminal structure and high-voltage electronic component having the terminal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal structure and a high-voltage electronic component having the terminal structure.

[0002]

2. Description of the Related Art In a conventional terminal structure used for a high-voltage electronic component such as a high-voltage variable resistor, a through hole for fitting is provided in a terminal fitting manufactured by punching a metal plate and then bending the metal plate. After this through-hole is fitted into a projection provided on the terminal mounting portion, the projection is heated and melted to fix the terminal fitting to the terminal mounting portion. However, this type of terminal fitting cannot be inserted and fixed in a through hole provided in a circuit board. So to answer this kind of request,
It has been proposed to bend a bar-shaped metal wire such as a piano wire to form a terminal fitting. A conventionally proposed terminal fitting formed by bending a metal wire simply has a single terminal portion. In most cases, the terminal fitting is mounted on the terminal mounting portion by an insertion or a simple fitting structure.

[0003]

However, in the case of filling the inside with an insulating resin to improve the insulating property, such as a high-voltage electronic component, the overall weight increases as the shape increases, and the force applied to each terminal fitting is reduced. growing. Therefore, in a terminal structure that uses a terminal fitting formed by bending a metal wire, as the weight of the component or device to be attached increases, an excessive force is applied to the soldering part between the terminal fitting and the circuit board, and the connection is made at the soldering part. There was a problem that defects occurred.

SUMMARY OF THE INVENTION An object of the present invention is to provide a terminal structure in which poor connection hardly occurs even in a terminal structure using a terminal fitting formed by bending a rod-shaped metal wire, and a high-voltage electronic component having the terminal structure. Is to do.

Another object of the present invention is to provide, in addition to the above-mentioned object, a terminal structure which allows easy connection of lead wires even in a terminal structure using terminal fittings formed by bending a rod-shaped metal wire. It is in.

[0006]

SUMMARY OF THE INVENTION A terminal structure to be improved by the present invention is a terminal structure constituted by attaching a terminal fitting formed by bending a rod-shaped metal wire to a terminal attaching portion.

According to the first aspect of the present invention, two press-fitting grooves are provided in the terminal mounting portion at a predetermined interval. The first and second terminal components, which extend in the same direction and are arranged at a predetermined interval, are provided as terminal fittings.
And a connecting portion for connecting one end of the second terminal forming portion. Each of the first and second terminal components has a press-fit portion to be press-fitted into a corresponding press-fit groove of the terminal mounting portion, and extends in the same direction from both sides of the press-fit portion and is located on both sides of the press-fit groove of the terminal mount. A curved portion having a pair of outer wall surfaces and a pair of abutting portions that abut is provided.

According to the second aspect of the present invention, the connecting portion is bent in the same direction as the bending portion of the terminal fitting.

According to the third aspect of the present invention, the plurality of terminal mounting portions mounted along the edge of the insulating resin filling port of the case having the insulating resin filling port for filling the insulating resin on one end surface side. A plurality of terminal fittings formed by bending a bar-shaped metal wire are respectively attached, and a case is filled with insulating resin from an insulating resin filling port, and a plurality of through holes provided on a circuit board are provided. It is intended for high-voltage electronic components to which terminal portions of terminal fittings are inserted and attached. In the present invention, two press-fitting grooves provided side by side at a predetermined interval are provided in the terminal mounting portion. The terminal fitting includes a first and a second terminal component extending in the same direction and arranged at a predetermined interval, and a connecting portion for connecting one end of the first and the second terminal component. It consists of. Each of the first and second terminal components has a press-fit portion to be press-fitted into a corresponding press-fit groove of the terminal mounting portion, and extends in the same direction from both sides of the press-fit portion and is located on both sides of the press-fit groove of the terminal mount. A curved portion having a pair of outer wall surfaces and a pair of abutting portions that abut is provided. Then, the terminal mounting portion is embedded in the insulating resin filled in the case.

According to the fourth aspect of the present invention, a pair of wall portions facing each other are provided on the terminal mounting portion at a predetermined interval. Slits are formed in the non-fixed ends of the pair of walls, respectively, extending from the end faces toward the edge of the case. One press-fitting groove is formed by the two slits provided on the pair of walls.

[0011]

In the terminal structure according to the first aspect of the present invention, the press-fitting portions provided in the curved portions of the first and second terminal components of the terminal fitting are press-fitted into two press-fitting grooves juxtaposed to the terminal mounting portion. A pair of abutting portions provided on the curved portions of the first and second terminal constituting portions of the metal fitting are brought into contact with a pair of outer wall surfaces located on both sides of the press-fitting groove of the terminal mounting portion, so that press-fitting and two places are performed. The contact makes it possible to easily and reliably attach the terminal fitting. Further, in the terminal structure of the present invention, since two terminals can be provided in one terminal fitting, the force applied to the terminals is reduced by two.
It can be distributed to the terminals of the book, and soldering defects are less likely to occur.

According to the second aspect of the present invention, the connecting portion is bent in the same direction as the bending portion of the terminal fitting. Therefore, when connecting the lead wire to the connecting portion, the lead is connected to the curved connecting portion. It is easy to wind the wire, and the soldering of the lead wire is also easy, so that the lead wire can be connected easily and securely.

According to a third aspect of the present invention, there is provided a terminal structure of a high-voltage electronic component in which terminal portions of a plurality of terminal fittings are inserted and mounted in a plurality of through holes provided in a circuit board. adopt. The high-voltage electronic component is heavy because the case is filled with an insulating resin.
However, by using the terminal structure of the present invention, when increasing the number of terminal fittings according to the weight, one terminal fitting has two terminals, so that a predetermined number of terminals can be provided with a small number of terminal fittings. Can be provided. Further, since the terminal mounting portion is embedded in the insulating resin filled in the case, the mounting portion of the terminal fitting can be firmly fixed.

According to the fourth aspect of the present invention, since one press-fitting groove is formed by the two slits provided on the pair of walls of the terminal mounting portion, the curved portions of the first and second terminal forming portions of the terminal fitting are formed. The resistance at the time of press-fitting the press-fitting portion provided in the press-fitting groove portion is reduced, and the press-fitting work becomes easy. In addition, since the space formed between the pair of wall portions is filled with the insulating resin, the possibility that air bubbles remain in the press-fit portion is reduced, and a decrease in insulation performance can be prevented.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIGS. 1A, 1B and 1C are a rear view, a side view and a front view of an embodiment in which the terminal structure of the present invention is applied to a high-voltage variable resistor which is one of high-voltage electronic components. 2A and 2B are bottom views of the variable resistor unit 1 and the electronic component unit 30 shown in FIG. 1, respectively. In these figures, a variable resistor unit 1 includes an insulating substrate 3 having a resistive circuit including a variable resistor formed on a front surface thereof in a resistor case 2 made of insulating resin having an open end. It is stored facing the side. Around the opening 4 of the resistor case 2,
The fitting portion 5 is removed so as to remove the side of the portion forming the insulating resin filling port in a state where the fitting portion 5 is combined with the electronic component unit 30.
Is provided.

On the side where the fitting portion 5 is not provided, a flat plate portion 7 for mounting terminals is provided, and the flat plate portion 7 is provided with three terminal mounting portions 8, 9 and 10 protruding therefrom. . The terminal attachment portions 8 and 9 are provided with terminal fittings 11 and 12 for grounding.
The terminal fittings 11 and 12 are fixed by projecting in a direction away from the flat plate portion 7, and a welding portion provided at the end thereof is welded. Terminal fitting 11
And 12 are arranged so as to penetrate the insulating substrate 3, and the ends are connected by soldering to electrodes provided on the surface of the insulating substrate 3. A terminal fitting having a terminal structure according to the present invention is attached to the terminal mounting portion 10 as a reinforcing terminal fitting 13. The reinforcing terminal fittings 13 are electrically meaningless and are provided for the purpose of increasing the mounting strength when mounting a heavy high-voltage variable resistor on a circuit board. Note that a terminal fitting having the same structure as the terminal fitting 13 is used in an electronic component unit 30 described later.
Since it is used as an electrical terminal, details will be described later in detail.

A pin terminal 14 is provided on a side wall of the resistor case 2 opposite to the side on which the flat plate portion 7 is provided.
Three cylindrical portions 17 to 19 for projecting to 16 are protruded. The bases of the tubular portions 17 to 19 have a prismatic shape. The pin terminal 14 constitutes a first output terminal, the pin terminal 15 constitutes an input terminal, and the pin terminal 16 constitutes a second output terminal. The ends of the pin terminals 14 to 16 inserted into the resistor case 2 are soldered to terminal fittings 20 to 22 fixed to the back surface of the insulating substrate 3. The terminal fittings 21 are not particularly connected to the connected terminals on the electronic component unit side, but the same ones as the terminal fittings 20 and 22 are used for the purpose of reducing the types of components. The terminal fitting 24 fixed to the center of the back surface of the insulating substrate 3 also has the same structure as the terminal fitting 20. Like the terminal fittings 20 and 22, the terminal fitting 24 constitutes a connection terminal inserted into the conductive rubber terminal T2 on the electronic component unit 30 side.

The electronic component unit 30 includes the resistor case 2
And an electronic component case 31 made of insulating resin which constitutes a case of the high-voltage variable resistor in combination with the electronic component case 31. The electronic component case 31 has openings 32 and 33 on one surface forming an insulating resin filling port in a state combined with the resistor case 2 and on one surface facing the opening 4 of the resistor case 2.
have. Double walls 34 and 35 are provided around the opening 33, and the fitting portion 5 of the resistor case 2 is fitted between the two walls 34 and 35. A recess 36 is formed. Snap-in type locking pieces 37 and 38 are integrally provided on the outer wall portion of the wall portion 34 near the opening 32 side, and also on the outer wall portion of the bottom wall portion 40 of the electronic component case 31. A snap-in type locking piece 39 is provided integrally.
These locking pieces 37 to 39 engage with locking portions provided on the circuit board side when the high-voltage variable resistor is mounted on a circuit board (not shown).

The bottom wall portion 40 of the electronic component case 31 has an uneven shape because capacitor storage portions 42 to 44 described later protrude. Specifically, it has a terminal mounting plate portion 41 most protruding (lowest) at a position near the opening 32 forming the insulating resin filling port. The terminal mounting plate portion 41 has a two-stage configuration of two flat plate portions 41a and 41b. And in the middle position of the bottom wall part 40,
It has protruding portions 45 to 47 constituting the three capacitor housing portions 42 to 44. Further, a flat portion 48 having the least amount of protrusion is provided in a portion further than the intermediate position.

Around the capacitor accommodating portion 42 for accommodating the capacitor C1, there are provided upstanding wall portions or ribs 49 to 51 extending from the inner surface of the bottom wall portion 40 toward the opening portion 33. The rib 49 is connected to the wall 35 provided around the opening 33, and has a gap G1 for resin distribution between the rib 49 and the side surface of the rib 51. The rib 50 is the rib 5
1 and a gap G for resin distribution between the wall and the wall 35.
Two. Note that the ribs 49 to 51 are
In addition to the function of preventing the movement of the capacitor C1, the thickness of the insulating resin layer around the capacitor C1 is balanced, that is, there is a function of preventing uneven thickness of the surrounding insulating resin layer.

The rib 51 extends upright from the flat plate portion 48 of the bottom wall portion 40 and opens toward the opening portion 33.
It has two concave portions 52 to 54. The recess 52 houses the diode D, the recess 53 houses the bent portion of the lead wire, and the recess 54 houses the conductive rubber terminal T2. Slits S1 and S2 for passing the lead wire of the diode D are formed on both sides in the longitudinal direction of the recess 52, and a slit S3 for passing the lead wire is formed between the recess 54 and the recess 53. .

The ribs 51 and 55 described above are provided on both sides in the width direction of the capacitor housing portion 43 for housing the cylindrical capacitor C2. A rib 56 extending from the flat plate portion 41b and terminating at a position slightly closer to the opening 33 than the bottom wall surface of the capacitor housing 43 is provided at a position on the opening 32 side of the capacitor housing 43. ing. The upper end of the rib 56 is curved so as to open toward the opening 33. The rib 56 functions as a capacitor supporting means when a long capacitor is used as the cylindrical capacitor C2. 57 is a lead wire locking portion.

Ribs 58 and 59 are provided on both sides in the longitudinal direction of the capacitor accommodating portion 44 formed between the rib 55 and the wall portion 35 and accommodating the capacitor C3. G3 and G4 between
Is formed. The rib 58 has a function of preventing the capacitor C3 from moving, as well as a function of preventing uneven thickness of the surrounding insulating resin layer, similarly to the rib 49 described above.

A flat plate portion 48 formed at a position apart from the insulating resin filling port of the bottom wall portion 40 has two
Two ribs 60 and 61 are provided. The ribs 60 and 61 are formed with concave portions 62 and 63 for fitting the conductive rubber terminals T1 and T3, and slits S4 and S5 for opening the concave portions 62 and 63 to the insulating resin filling port side and passing lead wires. Have been.

On the flat plate portions 41a and 41b of the bottom wall portion 40 of the electronic component case 31, terminal mounting portions 70 to 69 for fixing terminal fittings 67 to 69 having the same structure as the terminal fitting 13 provided on the resistor case 2 are provided. 72 are provided integrally. One lead wire of the capacitor C1 is connected to the terminal fitting 67 by soldering, one lead wire of the capacitor C2 is connected to the terminal fitting 68 by soldering, and one lead wire of the capacitor C3 is connected to the terminal fitting 69 by soldering. Connected. Terminal fittings 13 and 67 to 69 and terminal mounting part 1
Since the structures of 0 and 70 to 72 and the mounting state thereof are the same, FIGS. 4A and 4B show the terminal fitting 67 as an example.
This will be described with reference to FIG.

The terminal mounting section 70 has two press-fitting grooves 70a and 70b arranged side by side at a predetermined interval. These press-fitting grooves 70a and 70b are provided on a pair of mounting bases 70c and 70d having a U-shaped cross section. The pair of mounts 70c and 70d are provided integrally with the flat plate portion 41a with the openings facing each other. A pair of wall portions 70 facing each other at a predetermined interval among the wall portions forming the mounting bases 70c and 70d.
c1 and 70c2 and 70d1 and 70d2 (70d2
Are not shown), slits 70a1 and 70a2 and 70b1 and 70b2 (70b2 are not shown) extending from the end face side toward the flat plate portion 41a located at the edge of the electronic component case 31 at the non-fixed end. Formed,
One press-fitting groove 70a or 70b is constituted by the two slits 70a1 and 70a2 or 70b1 and 70b2. Each of the slits 70a1 and 70a2 or 70b1 and 70b2 has an inverted trapezoidal shape whose width is gradually reduced from the end face side, and the width at the bottom of the slit is smaller than the diameter of the metal wire forming the terminal fitting 67. ing.

When the mounting bases 70c and 70d having a U-shaped cross section are used as in this embodiment, when the insulating resin is filled after the assembly, the insulating resin also enters the mounting bases 70c and 70d. Therefore, the insulation of the terminal portion can be strengthened. In this embodiment, the pair of mounting bases 70c
And 70d, the terminal mounting portion 70 is formed. Of course, the terminal mounting portion 70 may be formed by forming two press-fitting grooves on one stand.

The terminal fitting 67 is formed by bending a rod-shaped metal wire such as a piano wire which can be bent and has a certain degree of rigidity. The terminal fitting 67 connects the first and second terminal components 67a and 67b, which extend in the same direction and are arranged at a predetermined interval, to one end of the first and second terminal components. And a connecting portion 67c. In the middle of the first and second terminal forming portions 67a and 67b, a curved portion 67a1 which is curved in a substantially rectangular shape is provided.
And 67b1 are provided. The curved portions 67a1 and 67b1 are fitted to the press-fitting grooves 70 provided in the terminal mounting portion 70.
press-fit portions 67a11 and 67b11 press-fitted into a and 70b
And a pair of contact portions 67a12 extending in the same direction from both sides of the press-fitting portion and abutting against outer wall surfaces of a pair of wall portions 70c1 and 70c2 and 70d1 and 70d2 located on both sides of the press-fitting groove portions 70a and 70b of the terminal mounting portion. 67a13 and 67b12 and 67b13 (67b13 is not shown). Further, in this embodiment, the connecting portion 67c is curved in a substantially rectangular shape in the same direction as the bending direction of the bending portions 67a and 67b. The connecting portion 67c is a straight portion 67c1.
, 67c2 and a connecting portion 67c3. A lead wire is wound around the connecting portion 67c3 and then soldered. When the connecting portion 67c is curved as described above, a space can be formed between the connecting portion 67c and the flat plate portion 41a, so that a lead wire can be easily wound and soldering becomes easy.

The inner dimension between the pair of abutting portions 67a12 and 67a13 and 67b12 and 67b13 of the curved portions 67a1 and 67b1 is determined by the mounting base 70c of the terminal mounting portion 70.
And 70d, a pair of walls 70c1 and 70c2 and 7
It is smaller than the outer dimension between 0d1 and 70d2. As a result, the curved portions 67a1 and 67b1
Are spread out to form a pair of walls 70c1 and 70c2 and 70d1 and 70d2 of the mountings 70c and 70d.
Is sandwiched. This sandwiching state, together with the press-fitting portions 67a11 and 67b11 being press-fitted into the press-fitting groove portions 70a and 70b, enhances the mounting strength of the terminal fitting 67.

In this embodiment, the shape of the curved portions 67a1 and 67b1 is substantially rectangular, but the shape of the curved portion is not limited.

The respective cases 2 of the variable resistor unit 1 and the electronic component unit 30 configured as described above
After fitting the terminal fittings 20, 24 and 22 corresponding to the conductive rubber terminals T1 to T3, the space formed between the variable resistor unit 1 and the electronic component unit 30 is filled with epoxy. An insulating resin such as a resin is filled. When the inside is filled with the insulating resin, the whole weight becomes considerably heavy. Therefore, when each terminal fitting 67, 68, 69 of this high-voltage variable resistor is inserted and connected to a connected portion such as a through hole provided on a circuit board (not shown),
A considerable force is applied to the terminals, and a soldering failure may occur at a soldered portion between each terminal and an electrode of the circuit board. If each of the terminal fittings 67, 68, and 69 to be inserted into the circuit board has a two-terminal structure as in the present embodiment, the forces are dispersed, so that occurrence of soldering failure can be prevented. In addition, when a terminal fitting such as the terminal fitting 13 only for sharing the weight is used, it is possible to prevent a large force from being applied to the terminal fitting used for the electrical connection.

FIG. 3 is a circuit diagram of the high-voltage variable resistor configured as described above, and this circuit is a so-called double focus circuit. FIG.
In the figure, the portions where the terminals used in the present embodiment are located are denoted by the same reference numerals as those shown in the drawings. The resistors R1 to R7 and the variable resistors VR1 and VR2 in FIG.
Printed on the surface of the insulating substrate 3 of the variable resistor unit 1.

[0033]

According to the first aspect of the present invention, the press-fitting portions provided in the curved portions of the first and second terminal components of the terminal fitting are press-fitted into two press-fitting groove portions juxtaposed to the terminal mounting portion. By pressing a pair of abutting portions provided on the curved portions of the first and second terminal constituting portions of the terminal fitting with a pair of outer wall surfaces located on both sides of the press-fitting groove of the terminal mounting portion, the press-fitting is performed. There is an advantage that the terminal fitting can be easily and surely attached by abutting at two places. Further, according to the terminal structure of the present invention, since two terminals can be provided in one terminal fitting, the force applied to the terminals can be distributed to the two terminals, and soldering defects are less likely to occur. There are advantages.

According to the second aspect of the present invention, when connecting the lead wire to the connecting portion, it is easy to wind the lead wire around the curved connecting portion, and the soldering of the lead wire becomes easy, so that it is simple and easy. There is an advantage that the lead wires can be securely connected.

According to the third aspect of the present invention, when increasing the number of terminal fittings according to the weight, one terminal fitting has two terminals, so that a predetermined number of terminal fittings can be obtained with a small number of terminal fittings. Can be provided. Further, since the terminal mounting portion is embedded in the insulating resin filled in the case, there is an advantage that the mounting portion of the terminal fitting can be firmly fixed.

According to the fourth aspect of the present invention, since one press-fitting groove is formed by the two slits respectively provided in the pair of walls of the terminal mounting portion, the first and second terminal forming portions of the terminal fitting are formed. The resistance at the time of press-fitting the press-fitting portion provided at the curved portion into the press-fitting groove is reduced, and the press-fitting operation is facilitated. In addition, since the space formed between the pair of wall portions is filled with the insulating resin, the possibility that air bubbles remain in the press-fitted portion is reduced, and there is an advantage that a decrease in insulation performance can be prevented.

[Brief description of the drawings]

FIGS. 1A, 1B and 1C are a rear view, a side view and a front view, respectively, of an embodiment of a high-voltage variable resistor using a terminal structure according to the present invention.

FIGS. 2A and 2B are bottom views of the variable resistor unit and the electronic component unit used in FIG. 1, respectively.

FIG. 3 is a circuit diagram of the embodiment.

FIG. 4A is a sectional view taken along line AA of FIG.
(B) is a front view which shows the state which attached the terminal fitting to the terminal attachment part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Variable resistor unit 2 Resistor case 3 Insulating board 4 Opening 5 Fitting part 7 Flat plate part 8, 9, and 10 Terminal mounting part 11, 12, and 13 Terminal metal fittings 14-16 Pin terminal 17-19 Cylindrical part 20- Reference Signs List 22 terminal fitting 24 terminal fitting 30 electronic component unit 31 electronic component case 32 and 33 opening 36 fitting concave portion 37-39 locking piece 40 bottom wall 41 terminal mounting portion 42-44 capacitor housing 49-51, 55 and 56 And 58 to 61 ribs C1 to C3 capacitor D diode T1 to T3 conductive rubber terminals 67 to 69 terminal fittings 67a and 67b first and second terminal components 67c connecting portions 67a1 and 67b1 curved portions 67a11 and 67b11 press fitting portions 67a12 to 67b13 Contact part 70-72 Terminal mounting part 70a. 70b Press-fit groove

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 61-88217 (JP, U) Japanese Utility Model Sho 61-166515 (JP, U) Japanese Utility Model 3-7 (JP, U) Japanese Utility Model 3 6 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01C 1/00-1/16

Claims (4)

(57) [Claims] 1. A terminal structure in which a terminal fitting formed by bending a rod-shaped metal wire is attached to a terminal attaching portion, wherein the terminal attaching portions are juxtaposed at a predetermined interval. The terminal fitting has two press-fitting grooves, wherein the terminal fittings extend in the same direction and are arranged at predetermined intervals, and the first and second terminal forming parts are arranged at predetermined intervals. A connecting portion for connecting one end portion, wherein the first and second terminal constituting portions are respectively press-fitted into the corresponding press-fitting grooves of the terminal mounting portion and from both sides of the press-fitting portion. A terminal structure, comprising: a curved portion extending in the same direction and having a pair of contact portions that contact a pair of outer wall surfaces located on both sides of the press-fit groove portion of the terminal attachment portion. 2. The terminal structure according to claim 1, wherein the connecting portion of the terminal fitting is curved in the same direction as the direction in which the curved portion bends. 3. A plurality of terminal mounting portions mounted along an edge of the insulating resin filling port of a case having an insulating resin filling port for filling an insulating resin on one end face side,
A plurality of terminal fittings formed by bending a rod-shaped metal wire are attached, and the case is filled with insulating resin from the insulating resin filling port, and the case is filled with a plurality of through holes provided in the circuit board. A high-voltage electronic component to which terminal portions of a plurality of terminal fittings are inserted and attached, wherein the terminal attaching portion has two press-fitting grooves arranged side by side at a predetermined interval, and the terminal fitting is A first and a second terminal forming portion extending in the same direction and arranged at a predetermined interval, and a connecting portion for connecting one end of the first and the second terminal forming portion; Each of the first and second terminal components has a press-fitting portion to be press-fitted into the corresponding press-fitting groove of the terminal mounting portion, and both sides of the press-fitting groove of the terminal mounting portion extending in the same direction from both sides of the press-fitting portion. A pair of And the curved portion is provided with a wall surface abutting the pair of abutting portions, high-pressure electronic component, wherein the terminal attachment part is embedded in the insulating resin filled in said case. 4. The terminal mounting portion has a pair of walls facing each other at a predetermined interval, and extends from the end face side to the non-fixed ends of the pair of walls toward the edge of the case. A high-pressure electronic component, wherein slits are respectively formed, and one press-fitting groove is formed by two slits provided in each of the pair of wall portions.