JP2931482B2 - Terminal mounting structure for electronic parts and variable resistor for high voltage - 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 mounting structure for an electronic component in which a metal terminal is mounted on a terminal mounting portion of an insulating resin case of an electronic component such as a high-voltage variable resistor, and a high-voltage application using the mounting structure. The present invention relates to a variable resistor.

[0002]

2. Description of the Related Art FIGS. 7A and 7B illustrate a conventional mounting structure for mounting a metal terminal 103 on a terminal mounting portion 102 of an insulating resin case 101 of an electronic component such as a high-voltage variable resistor. FIG. Insulating resin case 10
On one side 101a of one opening end, three welding standing portions 102a to 102c are protruded at predetermined intervals to form a terminal mounting portion 102. Metal terminal 103
Has a terminal 103a, a fixing part 103b fixed to the terminal mounting part 102, and a connecting part 103c to which a connecting line is connected integrally. The fixing portion 103b is formed with a through hole 103d into which the welding standing portion 102b is inserted. Conventionally, after arranging the terminal fittings 103 as shown in FIG. 7B, all the welding erecting portions 102a to 102c are melted by heat welding to form a welding portion 1 as shown in FIG.
The metal terminal 103 is fixed to the terminal mounting part 102 by forming the metal terminal 104. In the conventional high-voltage variable resistor, even when there are a plurality of metal terminals, the metal terminals are attached using the heat welding technique in the same manner as described above.

[0003]

When a metal terminal is fixed by using a heat welding technique as in the prior art, the work of positioning the metal terminal and the work of heat welding are required, so that the number of working steps is increased and the production is increased. Sex was bad. In particular, in the heat welding operation, there is a problem that the yield is deteriorated because failures are likely to occur, and the commercial value is reduced correspondingly because the appearance of the welded portion after welding is poor. These problems become more serious as the number of metal terminals attached to one electronic component increases.

An object of the present invention is to provide a terminal mounting structure for an electronic component in which a metal terminal can be easily mounted without using heat welding. Another object of the present invention is to provide a terminal mounting structure for an electronic component in which a metal terminal can be easily mounted and the metal terminal does not come off from the terminal mounting portion. Still another object of the present invention is to provide a terminal mounting structure for an electronic component to which a metal terminal can be mechanically mounted. It is another object of the present invention to provide a high-voltage variable resistor in which most of the metal terminals can be easily attached without using heat welding. Still another object of the present invention is to provide a high-voltage variable resistor in which a metal terminal does not come off from a terminal mounting portion even when terminal portions of a plurality of metal terminals are inserted into female terminals.

[0005]

According to a first aspect of the present invention, there is provided a connection structure in which a terminal portion is connected to a terminal mounting portion of an insulating resin case of an electronic component, and a fixing portion fixed to the terminal mounting portion is connected to a connection wire. It is an object of the present invention to provide an electronic component terminal mounting structure in which a metal terminal having an integral part is mounted. The terminal mounting portion used in the first aspect of the present invention has a pair of flexible terminal mounting upright portions fixed to the insulating resin case at a predetermined interval from each other. A pair of guide grooves extending from one end to the other end of the terminal mounting upright portion and opening inward are provided on opposed inner wall portions of the upright portion. A locked portion is provided in the middle of the pair of guide grooves. Furthermore, a pair of locking pieces are provided at both edges so that both edges in the width direction of the fixing portion of the metal terminal can be inserted into a pair of guide grooves. The metal terminal is prevented from coming off by engaging the pair of locking pieces of the metal terminal with the locked portions of the pair of guide grooves.

According to the second aspect of the present invention, the locking piece is increased in width in the direction opposite to the direction in which the metal terminal is inserted, and the inclined portion pushes and widens the gap between the pair of terminal mounting upright portions. And an engaging portion extending inward in the width direction from the end of the second member. Each of the locked portions provided in the pair of guide grooves includes a fitting portion in which the pair of locking pieces fit, and an engaging surface that engages with the locking portion of the locking piece.

According to the third aspect of the present invention, the upper end portions of the pair of terminal mounting upright portions above the guide grooves are divided by slits extending in a direction perpendicular to the direction in which the guide grooves extend. The slit forms a fitting portion to which the locking piece fits, and the divided surface formed in the terminal mounting upright portion facing the slit via the slit forms an engaging surface.

According to the fourth aspect of the present invention, a pair of stopper pieces are provided at an end (an end in a direction opposite to the insertion direction) of the fixed portion of the metal terminal, and an end of the pair of terminal mounting uprights (the insertion direction). (Ends in the opposite direction to the direction opposite to the first direction) are provided with a pair of abutting portions that abut against a pair of stopper pieces.

The inventions of claims 5 and 6 are directed to a high-voltage variable resistor to which the mounting structure of the inventions of claims 1 to 4 is applied. Specifically, an insulating substrate having a resistor circuit including a variable resistor formed on the surface thereof is disposed inside an insulating resin case having an open end, and a predetermined portion is provided on one side of an opening end of the insulating resin case. A plurality of terminal mounting portions are provided integrally with the insulating resin case at intervals, and a plurality of metals integrally having a terminal portion, a fixed portion fixed to the terminal mounting portion, and a connection portion to which a connection wire is connected. A high-voltage variable resistor whose terminals are attached to a plurality of terminal attachment portions corresponding to the terminals is to be improved. According to the fifth aspect of the present invention, the terminal mounting portions to which the other metal terminals of the plurality of metal terminals except the metal terminal directly connected to the electrode provided on the insulating substrate are mounted are spaced apart from each other by a predetermined distance. A pair of flexible terminal mounting uprights fixed to a resin case, and one end of the terminal mounting uprights on one end of the terminal mounting uprights on the opposite inner side wall of the pair of terminal mountings. A pair of guide grooves extending toward the inside and opening inward are formed. A locked portion is provided in the middle of the pair of guide grooves. Further, both edges in the width direction of the fixed portion of the metal terminal are formed into a shape that can be inserted into a pair of guide grooves, and a pair of locking pieces are provided on both edges. Then, the pair of locking pieces of the metal terminal and the locked portion of the guide groove are engaged to prevent the metal terminal from coming off.

In the present invention, the terminal portions of the plurality of metal terminals are extended toward the outside of the insulating resin case so that the terminal portions can be inserted into the female terminals provided on the mounting portion. Further, the other metal terminal is mounted on the terminal mounting portion such that the direction of insertion of the other metal terminal into the guide groove is opposite to the direction of insertion of the plurality of metal terminals into the female terminal.

[0011]

In the terminal mounting structure according to the first aspect of the present invention, both edges of the fixed portion of the metal terminal are inserted in the insertion direction along a pair of guide grooves provided in the pair of terminal mounting uprights. Are engaged with the locked portions provided in the pair of guide grooves. When the locking piece and the locked portion are engaged, the metal terminal does not fall out of the guide groove even if a force is applied to the metal terminal in a direction opposite to the insertion direction (pull-out direction). Therefore, according to the present invention, it is possible to easily attach the metal terminal to the terminal attaching portion without using a heat welding technique only by a simple operation of inserting the metal terminal into the guide groove. In addition, since the heat welding technique is not used, the yield is high, and the finish after mounting the metal terminals can be improved.

In the terminal mounting structure according to the second aspect of the present invention, when both edges of the fixing portion of the metal terminal are inserted into the pair of guide grooves, first, the inclined portions of the locking pieces provided on the fixing portion of the metal terminal have a pair of inclined portions. The metal terminal enters the guide groove while pushing and expanding the interval between the terminal mounting uprights. When the metal terminal is further inserted and the locking piece is fitted into the fitting portion provided in the guide groove, the interval between the pair of terminal mounting upright portions substantially returns to the original state, and the locking piece Is locked with the engaging surface of the fitting portion to prevent the falling off. Since the inclined portion of the locking piece is inclined in a direction that does not hinder the entry of the locking piece, it is easy to insert the metal terminal into the guide groove. However, when the metal terminal is to be pulled out from the guide groove, a large pulling force is required to release the engagement between the locking portion of the locking piece and the engaging surface of the locked portion. The metal terminal must be pulled out with the corner formed at the boundary between the inclined part of the piece and the locking part hooked on the wall surface of the guide groove, and the metal terminal is pulled out unless a considerably large pulling force is applied. Can not do. Therefore, according to the present invention, it is possible to more reliably prevent the metal terminal from coming off.

In the terminal mounting structure according to the third aspect of the present invention, the locked portion provided in the guide groove is formed only by forming a slit in the upper end portion of the pair of terminal mounting upright portions located above the pair of guide grooves. Can easily be formed with the fitting portion and the engaging surface.

In the terminal mounting structure according to the fourth aspect of the present invention, the stopper piece provided on the fixing portion of the metal terminal comes into contact with the abutting portion provided on the terminal mounting upright portion, so that the stopper is more than necessary in the insertion direction of the metal terminal. Prevent movement. Therefore, according to the present invention, the positioning accuracy of the metal terminal is increased.

In the high voltage variable resistor according to the fifth aspect, even if there are a large number of metal terminals to be mounted on the terminal mounting portion, each metal terminal can be easily and reliably mounted, so that productivity is greatly improved.

In the high-voltage variable resistor according to claim 6, when a plurality of metal terminals are inserted into the female terminals, a force applied to the metal terminals is applied in a direction in which the metal terminals are inserted into the guide grooves. The metal terminal does not come off.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a bottom view of a high-voltage variable resistor employing the terminal mounting structure of the present invention for mounting metal terminals. In FIG. 1, reference numeral 1 denotes an insulating resin case having an open end and made of an insulating resin material such as polybutylene terephthalate. This case 1 has a first
And a second substrate storage chamber 1b, and three variable resistors for double focus voltage adjustment and screen voltage adjustment are provided on the front side of the first substrate storage chamber 1a. An operation shaft through hole for projecting the operation shaft is formed. In the first substrate storage chamber 1a, a first circuit board made of ceramic having a variable resistor, a fixed resistor, and an electrode printed on the front surface is stored with the back surface facing the opening. An insulating resin layer 2 is formed in the opening of the first substrate storage chamber 1a by filling and curing an insulating resin such as an epoxy resin so as to cover the back surface of the first circuit board. Second
In the substrate storage chamber 1b, a second circuit board (not shown) on which a fixed resistor having a large amount of heat is printed and formed is arranged in an upright state with the substrate surface facing the first substrate storage chamber 1a. You.

A screen output terminal 3, focus output terminals 4 and 5, and a connection terminal 6 protrude from the insulating resin layer 2. Metal terminals 7 to 11 are fixed to one side portion 1c of the open end of the case 1 so as to be along a side at a predetermined interval. Among these metal terminals, metal terminals 7 to 10 are attached to terminal attachment portions 12 to 15 provided integrally with one side portion 1 c of case 1. The metal terminal 11 is a ground terminal, one end of which is soldered to an electrode (not shown) provided on the back surface of the first circuit board and is embedded in the insulating resin layer 2, and the other end is shown in FIG. Similar to the conventional terminal mounting structure shown, it is fixed to the terminal mounting portion by thermal welding. Reference numeral 16 denotes a terminal mounting portion deformed by heat welding.

Metal terminals 7 to 10 and terminal mounting portions 12 to 1
5 are substantially the same, and the structure of the metal terminal 7 and the terminal mounting portion 12 will be described below as representative examples. FIG. 2A shows a case where the metal terminal 7 is connected to the terminal mounting portion 12.
FIG. 2B is an enlarged plan view showing a state in which the device is attached to the camera, and FIG. 2B is a front view. 3A is an enlarged front view of the terminal mounting portion 12, FIG. 3B is a sectional view taken along line BB of FIG. 3A, and FIG. FIG. 4
4B is an enlarged side view of the terminal fitting 7, and FIG. 4C is a cross-sectional view taken along line CC of FIG. 4B. First of all, FIG.
The configuration of the terminal fitting 7 will be described with reference to FIG. The terminal fitting 7 is configured to integrally include a terminal portion 71, a fixing portion 72 fixed to the terminal mounting portion 12, and a connection portion 73 to which a connection line is connected. A reinforcing embossed portion 74 is formed so as to extend in the longitudinal direction across the terminal portion 71 and the fixed portion 72. The width of the fixing portion 72 is larger than that of the terminal portion 71. A pair of stopper pieces 72a, 72a are provided at both ends of the base of the terminal portion 71 at the end of the fixing portion 72 on the terminal portion 71 side (pull-out side). The stopper pieces 72a,
Reference numeral 72a extends in one of the thickness directions (the direction toward the case 1). Both edge portions 72 in the width direction of fixing portion 72
A pair of locking pieces 72c, 72c are formed integrally with b, 72b. The locking pieces 72c of this embodiment are
It has a triangular shape projecting outward from both edges 72b, 72b in the width direction. More specifically, an inclined portion 72c1 whose width increases in the direction opposite to the insertion direction of the metal terminal indicated by the solid arrow in FIG. 4 (the drawing direction indicated by the broken arrow) and the width direction from the end of the inclined portion. The locking portion 72c2 extends inward to form a locking piece 72. The locking piece 72c is provided with a pair of terminal mounting upright portions 12a, 1
When inserted into the guide grooves 12b, 12b of 2a, it has a protrusion dimension that pushes and widens the space between the pair of terminal mounting uprights. In the part in the insertion direction from the locking piece 72c,
A pair of recesses 72d, 72d extending inward in the width direction
Are formed. An end on the insertion side of the fixing portion 72 is cut and raised to form a connection portion 73. The end portions 72e, 72e of the fixing portion 72 located on both sides of the connection portion 73 are tapered, so that insertion into a guide groove described later becomes easy. After a connection wire such as a lead wire is wound around the connection portion 73, soldering is performed. The metal terminals 7 and 8 shown in FIG. 1 are connected to a resistance pattern of a second circuit board (not shown)
Starts a lead wire and is connected to the screen output terminal 3, and the metal terminal 10 is connected to one focus output terminal 4 via the lead wire.

Next, the configuration of the terminal mounting portion 12 will be described. As shown in FIGS. 2 and 3, the terminal mounting portion 12 has a pair of flexible terminal mounting upright portions 12 a, 12 a provided integrally with one side portion 1 c of the case 1. In the present embodiment, a pair of terminal mounting upright portions 12a, 1
Although the bases of 2a are continuous with each other as shown in the figure, it is a matter of course that the mounting uprights 12a, 12a may directly extend from one side 1c of the case 1. A pair of guides extending from one end to the other end (toward the insertion direction) of the pair of terminal mounting upright portions 12a, 12a and facing the inner wall portions facing each other, and opening inward. Grooves 12b, 12b are formed. The upper end portions of the pair of terminal mounting upright portions 12a, 12a above the guide grooves 12b, 12b are divided by slits 12c extending in a direction orthogonal to the direction in which the guide grooves 12b extend. The slit 12c forms a locked portion that engages with the engaging piece 72c of the metal terminal 7 in the middle of the guide groove 12b. That is, the slit 12c constitutes a fitting portion into which the locking piece 72c fits, and as shown in FIG. 2A, the locking piece 72c fits in the slit 12c.
The locking portion 72c2 of the locking piece 72c is engaged with a split surface 12d of the split surface formed on both sides of the slit 12c, which is located in a direction opposite to the direction in which the metal terminal 7 is inserted. The dividing surface 12d forms an engaging surface that engages with the locking portion 72c2. Also, a pair of terminal mounting upright portions 12a,
End of 12a (end in the direction opposite to the insertion direction of the metal terminal)
Are provided with a pair of stopper pieces 72a, 7
A pair of abutting portions 12e, 12e abutting on 2a are provided (see FIG. 3). The contact portion 12e of this embodiment has a concave shape whose depth is substantially equal to the thickness of the stopper piece 72a.

When the metal terminal 7 is inserted into the guide groove 12b with the connecting portion 73 first, the locking piece 72 is inserted into the guide groove 12b.
Until the metal terminal 7 is smoothly inserted into the guide groove 12b . When the engaging piece 72c enters into the guide groove 12b, the locking piece 72c is proceeding want Na pushed open pair of terminals mounting upright portion 12a, a 12a. Inclined part 72
Since c1 is inclined in a direction that does not hinder the entry of the locking piece 72c, it is relatively easy to insert the metal terminal 7 into the guide groove. When the locking piece 72c fits into the slit 12c, the pair of terminal mounting erecting portions 12
a, 12a return to the original position, and the locking portion 72c2 of the locking piece 72c.
Are engaged with the dividing surface 12d, and the metal terminal 7 is prevented from coming off. When the metal terminal 7 is to be pulled out from the guide groove 12b, the locking portion 72c of the locking piece 72c is used.
A large pull-out force is required to disengage the 2 and the dividing surface (engaging surface) 12d, and a corner formed at the boundary between the inclined portion 72c1 and the locking portion 72c2 of the locking piece 72c. Must be pulled out while being hooked on the wall surface of the guide groove 12b, and the metal terminal 7 cannot be pulled out unless a considerably large pulling force is applied. Since the stopper piece 72a contacts the contact portion 12e, the metal terminal 7
Cannot be inserted further into the back.

In the high-voltage variable resistor of the embodiment shown in FIG. 1, the force applied to each metal terminal when the metal terminals 7 to 10 are inserted into the female terminals (not shown) inserts each metal terminal into the guide groove 12b. In this case, the metal terminals 7 to 10 do not come off. Therefore, even when the terminal of the high-voltage variable resistor is connected to the female terminal provided on the flyback transformer side by the connector structure, the connection between the terminals can be performed without any obstacle.

In the above embodiment, the slit 12c is provided substantially at the center of the terminal mounting upright portion 12a, and the locked portion is formed in the middle of the guide groove 12b by the slit 12c. The present invention is not limited to this embodiment. For example, as shown in a schematic perspective view of FIG. 5, the slit 12c may be provided at a position shifted from the center of the terminal mounting upright portion 12a. Further, in the above embodiment, the locked portion is formed by providing the slit 12a. However, as shown in FIG.
Opening recess 1 opening inward and upward in the middle of 2a
By forming 2f, a fitting portion for fitting the locking piece 72c and a locking surface for engaging with the locking portion 72c2 of the locking piece 72c may be formed. Further, as shown in FIG. 6B, a step 12g is provided in the middle of the guide groove 12b, and the locking piece 7 of the metal terminal 7 is provided in the middle of the guide groove 12b.
You may make it comprise the locked part which engages with 2c.
Also, as shown in FIG. 6C, a protruding portion 12h is provided in the middle of the guide groove 12b to form a locked portion that engages with the locking piece 72c of the metal terminal 7 in the middle of the guide groove 12b. It may be. As described above, the configuration of the locked portion provided in the middle of the guide groove 12b is any configuration as long as it can be engaged with the locking piece of the metal terminal to prevent the metal terminal from coming off. You may.

In the above embodiment, one locking piece is provided on each of the two edges of the metal terminal fixing portion. However, a plurality of locking pieces may be provided on one edge. Of course, in this case, the number of locked portions provided in the guide groove may be equal to the number of locking pieces. Furthermore, in the above-described embodiment, the shape of the locking piece is triangular, but the shape of the locking piece is not limited to the above-described embodiment, and the insertion of the metal terminal is easy, and the locking piece is engaged with the locked portion. Any shape may be used as long as it is difficult to pull out the metal terminal after the combination.

In the above embodiment, the terminal mounting structure of the present invention is applied to a high-voltage variable resistor. However, the terminal mounting structure of the present invention can of course be applied to the mounting of terminals of other electronic components. It is.

[0026]

According to the first aspect of the present invention, the metal terminal can be easily mounted on the terminal mounting portion without using a heat welding technique only by a simple operation of inserting the metal terminal into the guide groove. . In addition, since the heat welding technique is not used, there is an advantage that the yield is high and the finish after attaching the metal terminals can be improved.

According to the second aspect of the present invention, the metal terminal can be more reliably prevented from coming off.

According to the third aspect of the present invention, only by forming a slit in the upper end portion of the pair of terminal mounting upright portions located above the pair of guide grooves, the engaged portion provided in the guide groove is fitted. There is an advantage that the joint portion and the engagement surface can be easily formed.

According to the fourth aspect of the present invention, the stopper piece provided on the fixed portion of the metal terminal comes into contact with the contact portion provided on the upright portion for mounting the terminal, thereby moving the metal terminal more than necessary in the insertion direction. Can be prevented, and the positioning accuracy of the metal terminal is increased.

According to the high-voltage variable resistor according to the fifth aspect of the present invention, even if there are a large number of metal terminals to be mounted on the terminal mounting portion, each metal terminal can be easily and reliably mounted, thereby greatly increasing productivity. There is an advantage to improve.

According to the sixth aspect of the present invention, when a plurality of metal terminals are inserted into the female terminals, a force applied to the metal terminals is applied in a direction in which the metal terminals are inserted into the guide grooves. Therefore, there is an advantage that the metal terminal does not come off.

[Brief description of the drawings]

FIG. 1 shows a bottom view of a high-voltage variable resistor employing a terminal mounting structure of the present invention for mounting a metal terminal.

FIG. 2A is an enlarged plan view of a state where a metal terminal is mounted on a terminal mounting portion, and FIG. 2B is a front view thereof.

FIG. 3A is an enlarged front view of a terminal mounting portion,
FIG. 3B is a sectional view taken along line BB of FIG.

FIG. 4A is an enlarged plan view of a terminal fitting, and FIG.
FIG. 4 is an enlarged side view of the terminal fitting, and FIG. 4C is a cross-sectional view taken along line CC of FIG. 4B.

FIG. 5 is a perspective view showing a modification of the terminal mounting structure of the present invention.

FIGS. 6A to 6C are diagrams showing modified examples of the configuration of a locked portion provided in a guide groove.

FIG. 7A is a partial perspective view showing a conventional terminal mounting structure, and FIG. 7B is a cross-sectional view illustrating a state before heat welding is performed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Insulating resin layer 3-6 Terminal 7-11 Metal terminal 12-15 Terminal mounting part 12a Terminal mounting upright part 12b Guide groove 12c Slit 12d Dividing surface 71 Terminal part 72 Fixed part 72c Lock piece 72c1 Inclined part 72c2 Stop 73 Connection

Claims (6)

(57) [Claims] A metal terminal integrally having a terminal portion, a fixed portion fixed to the terminal mounting portion, and a connection portion to which a connection wire is connected is mounted on a terminal mounting portion of an insulating resin case of an electronic component. The terminal mounting structure for an electronic component, wherein the terminal mounting portion has a pair of flexible terminal mounting upright portions fixed to the insulating resin case at a predetermined interval from each other, and A pair of guide grooves extending from one end to the other end of the terminal mounting upright portion and opening inward are provided on opposite inner wall portions of the pair of terminal mounting upright portions. Locked portions are respectively provided in the middle, and both edges in the width direction of the fixed portion of the metal terminal are formed in a shape that can be inserted into the pair of guide grooves, and furthermore, the both edges are A pair of locking pieces are provided; A terminal mounting structure for an electronic component, wherein a locking piece and the locked portion of the pair of guide grooves are engaged to prevent the metal terminal from coming off. 2. An inclined portion which increases in width in a direction opposite to a direction in which the metal terminal is inserted to push the gap between the pair of terminal mounting upright portions, and an end of the inclined portion. A locking portion extending inward in the width direction from the portion, wherein the locked portions provided in the pair of guide grooves respectively include a fitting portion in which the pair of locking pieces fit and a locking portion of the locking piece. The terminal mounting structure for an electronic component according to claim 1, further comprising: an engagement surface that engages with the locking portion. 3. An upper end portion of the pair of terminal mounting upright portions above the guide groove is divided by a slit extending in a direction orthogonal to a direction in which the guide groove extends. 3. The engaging surface in which a piece forms a fitting portion, and a division surface formed in the terminal mounting upright portion facing the slit via the slit forms the engaging surface. 4. Terminal mounting structure for electronic components. 4. A pair of stopper pieces is provided at an end of the metal terminal on a side opposite to the insertion direction of the fixing portion, and a pair of stopper pieces is provided on the opposite end of the pair of terminal mounting uprights. 4. The terminal mounting structure for an electronic component according to claim 1, wherein a pair of abutting portions that contact the pair of stopper pieces are provided. 5. 5. An insulating substrate having a resistor circuit including a variable resistor formed on the surface thereof is disposed inside an insulating resin case having an open end, and a predetermined portion is provided on one side of an opening end of the insulating resin case. A plurality of terminal mounting portions are provided integrally with the insulating resin case at an interval, and the plurality of terminal mounting portions integrally include a terminal portion, a fixed portion fixed to the terminal mounting portion, and a connection portion to which a connection wire is connected. A high-voltage variable resistor, the metal terminals of which are respectively attached to the corresponding plurality of terminal mounting portions, wherein a metal terminal of the plurality of metal terminals that is directly connected to an electrode provided on the insulating substrate. The terminal mounting portion to which the other metal terminals are attached has a pair of flexible terminal mounting upright portions fixed to the insulating resin case at a predetermined interval from each other, and Opposite terminal uprights A pair of guide grooves extending from one end to the other end of the terminal mounting upright portion and opening inward, and each of the pair of guide grooves is locked in the middle of the pair of guide grooves. The widthwise opposite edges of the fixing portion of the other metal terminal are formed in shapes that can be inserted into the pair of guide grooves, and the opposite edges are provided with a pair of locking pieces. Wherein the pair of locking pieces of the metal terminal and the locked portions of the pair of guide grooves are engaged to prevent the metal terminal from coming off. . 6. A terminal portion of said plurality of metal terminals extends outward from said insulating resin case so as to be inserted into a female terminal provided on a portion to be mounted. 6. The high-voltage connector according to claim 5, wherein the other metal terminal is mounted on the terminal mounting portion such that a direction of insertion into the guide groove is opposite to a direction of insertion of the plurality of metal terminals into the female terminal. For variable resistors.