JP2003157744A - Switch substrate and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a switch substrate in which the number of manufacturing processes and the cost can be reduced, and durability and stability of the shift positions of the switches can be improved. SOLUTION: Connector terminals 23a-23e are provided on the switch substrate 25 of the stator of the shift position switch device and the fixed contact parts 28a-28e constituting the contact of each shift position are formed in one body so as to be connected to the connector terminals 23a-23e. The prescribed parts other than the fixed contact parts 28a-28e are constructed to become insulating parts 29. A plurality of penetrating holes 29b are formed at the prescribed locations of the switch substrate 25. the connector terminals 23a-23e and the fixed contact parts 28a-28e are formed so as to be connected in a state corresponding to each other and a step part 26 is provided to have different thickness and the fixed contact parts 28a-28e and the insulating parts 29 are formed so as to be on nearly same plane.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch substrate and a method for manufacturing the same, and more particularly, to a switch substrate that constitutes a sliding type switch composed of a plurality of fixed contact portions and a movable contact portion, and the same. The present invention relates to a manufacturing method.

[0002]

2. Description of the Related Art In a shift position switch device having a sliding type switch composed of a fixed contact part and a movable contact part, due to the recent increase in the number of signals, a complicated circuit structure is required in a limited narrow space. Is required.

In order to satisfy this requirement, a PC board 80 as shown in FIG. 7 is generally used. The PC
The substrate 80 is formed into a substantially fan shape, and five connecting portions 81 are provided in the central portion on the outer peripheral side thereof, and each connecting portion 81 is formed so as to be connected to a copper foil portion 82 that serves as a fixed contact portion. ing. Further, as shown in FIG. 9, each connecting portion 81 is configured to be adhesively fixed to a terminal 85 for outputting a conduction signal by soldering.

When the shift position switch device equipped with the PC board 80 is used, the PC board 80 is used.
Not-illustrated five leaf springs as movable contact portions arranged above are moved by a predetermined angle in sliding contact with the surfaces of the PC board 80 and the copper foil portion 82 in accordance with the shift operation of the shift lever. It As a result, the five leaf springs and the copper foil portion 82
Depending on the combination of the contact state with, a weak current flows through each connection portion 81 and becomes an output signal to the external computer via the connector. The shift position is determined based on the output signal, and the automatic transmission and the indicator of each position are operated.

[0005]

However, since the PC board 80 used in the shift position switch device as described above satisfies the requirements of high level heat resistance, durability, earthquake resistance, etc., it has the above-mentioned properties. Expensive PC board 8
There was a problem that 0 had to be used.

In the case of the PC board 80, a copper foil portion 82 formed on the surface of the PC board 80 as shown in FIG.
Has a thickness of about 35 μm and is formed so as to protrude from the surface of the PC substrate 80. Therefore, in designing the shift position switch device, the switch is turned on and off.
When the switching contact of No. 2 is X, it is necessary to always consider the offset of the distance S due to the curvature of the leaf spring 83 and the thickness of the copper foil portion 82.

Further, the leaf spring 83 is caught at the point Y when it rides on the copper foil portion 82, so that the leaf spring 8
3 and the copper foil portion 82 are worn, the original switching contact X may be displaced, or abrasion powder may be present to cause chattering.

In order to solve the above problem, the copper foil portion 82
As a means for suppressing the catching due to the thickness of about 35 μm, there is also a means for performing buffing for forming a slope on the contact portion of the copper foil portion 82 that contacts the leaf spring 83, but this is costly and not practical.

Further, as shown in FIG. 9, a housing 84
The soldering of the insert-molded terminal 85 and the connection portion 81 of the PC board 80 has a problem that the number of working steps is increased.

Further, not only the shift position switch device but also a sliding type switch device having multiple contacts,
Similar problems can occur. The present invention has been made in view of the above-mentioned circumstances, and a first object of the present invention is to reduce the number of manufacturing steps and costs, and to improve durability as a switch and stabilization of a switching position. It is to provide a substrate. Also,
A second object is to provide a method for manufacturing the switch substrate.

[0011]

In order to achieve the first object, in the invention according to claim 1, the conduction state is changed into a plurality of patterns corresponding to the contact positions with a plurality of movable contact portions. In a switch substrate provided with a plurality of fixed contact portions formed so as to be possible, the fixed contact portions and a plurality of terminal portions electrically connected to the fixed contact portions are integrally formed with different thicknesses. There is.

According to the present invention, since the fixed contact portion and the terminal portion are integrally formed, it is not necessary to connect and fix the fixed contact portion and the terminal portion with solder as in the conventional case, and the switch The number of manufacturing steps and the cost of the manufacturing substrate are reduced.

According to a second aspect of the invention, in the first aspect of the invention, the fixed contact portion is provided on the insulating portion, and the surfaces of the fixed contact portion and the insulating portion are flush with each other. Is formed in.

According to the present invention, unlike the prior art, the movable contact portion can slide on the insulating portion and the fixed contact portion without being caught by the fixed contact portion. Therefore, durability as a switch and stabilization of the switching position are improved.

In order to achieve the second object, in the invention according to claim 3, a portion having a thickness corresponding to the terminal portion,
A metal conductor plate having a fixed contact portion and a portion having a corresponding thickness is pressed to form a lead frame, the lead frame is placed in a mold, and the resin forming the insulating portion is placed in the mold. After filling and insert-molding so that the fixed contact portion forming a part of the lead frame and the insulating portion are flush with each other, a part of the lead frame is formed and the fixed contact portion is formed. A through hole is formed at a predetermined position having a tie bar connecting the two to cut the tie bar, and a predetermined portion of the lead frame is cut.

According to the present invention, claim 1 or claim 2
The switch substrate described in 1 can be easily manufactured.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is embodied in a shift position switch device of a vehicle shift device will be described below with reference to FIGS.

As shown in FIG. 3, the shift device 11 includes a shift lever 12, a housing 13, and the housing 1.
A lid portion 14 for covering the vehicle 3 and a shift position switch device 15 provided in the housing 13 are provided, and are provided, for example, between a driver's seat and a passenger's seat of a vehicle floor console of an automobile.

The housing 13 is formed in a substantially box shape and is arranged so as to cover the shaft support structure near the base of the shift lever 12 in the vehicle interior.
A lid portion 14 is provided. A shift gate 14a is linearly provided in the lid portion 14.

The shift lever 12 is rotatably supported at its base end portion by a rotary shaft 17 via a support portion 16 provided inside the housing 13, and a shift gate 14a.
It is provided so that it may penetrate. In addition, next to the shift gate 14a, characters indicating the selected position are sequentially displayed,
"P" is the parking position, "R" is the reverse position, "N" is the neutral position, "D" is the drive position, "3" is the third position, and "2".
Indicates a second position, and “L” indicates a low position.

The shift position switch device 15 is arranged in parallel with the base end portion of the shift lever 12 so that a part of the shift position switch device 15 can rotate integrally with the rotary shaft 17 to which the shift lever 12 is fixed. Shift position switch device 15
Are electrically connected to the control device 18.

The control device 18 is configured to control the transmission main body 19 of the automatic transmission having the gear mechanism of the forward gear stage and the reverse gear stage based on the shift position signal from the shift position switch device 15. There is. Further, when the shift lever 12 is operated to the drive position D in the shift gate 14a, the control device 18 automatically selects the forward gear stage on the basis of other vehicle state signals such as vehicle speed and engine speed that are input. Is configured to.

The indicator 20 is provided on, for example, an instrument panel (not shown) of a vehicle compartment provided with a speedometer and an engine tachometer, and has a plurality of marks (P, R, N, D, 3, 2, L).
Each mark of the display section 20a including is formed so as to be lightable by a light emitting diode or the like not shown. The control device 18 is configured to turn on any mark on the display unit 20a corresponding to the shift position of the shift gate 14a of the shift lever 12.

Next, the shift position switch device 15 will be described in detail. As shown in FIG. 2, the shift position switch device 15 includes a substantially fan-shaped stator 21 made of resin, a rotor 22 made of resin and metal, and a resin not shown which covers the stator 21 and the rotor 22. It consists of a case and a case.

The stator 21 is provided with a recess 21a having substantially the same shape as the outer shape of a fan, and the base end of the fan has a substantially concave shape.
An insertion hole 21b is provided. Further, connector terminals 23a to 23e and 23f to 23i as a plurality of (9 in the present embodiment) terminal portions are provided at the tip portion, and the connector terminals 23a to 23e and 23f to 23i are accommodated. A housing portion 24 is provided. A switch substrate 25 and a terminal portion 27 are formed in the recess 21a,
The terminal portion 27 is provided with a terminal 27a through which a large current flows as compared with a weak current flowing through the switch substrate 25, and the terminal 27a is provided so as to be connected to the connector terminals 23f to 23i. The terminal 27
Since the configuration and operation of are the same as the conventional one, the details thereof will be omitted. In addition, on the outer peripheral edge of the stator 21,
A plurality of fixing holes 21c (six in this embodiment) are provided.

As shown in FIG. 1A, the switch substrate 25 is formed to have a substantially fan-shaped outer shape, and a plurality of connector terminals 23a to 23e (in the present embodiment) are formed in the central portion on the outer peripheral side. In this form, 5 pieces are provided. Fixed contact portions 28a to 28e forming contacts of each shift position are formed on the switch substrate 25 so as to be connected to the respective connector terminals 23a to 23e.
Predetermined locations other than 28e are, for example, polyamide (PA)
It is configured to be the insulating portion 29 made of. In addition, a plurality of through holes 29b are provided at predetermined locations on the switch substrate 25.
Are formed. The contacts at the shift position are arranged in the same arcuate shape with a predetermined interval about the axis of the insertion hole 21b (rotary shaft 17). That is, the fixed contact portions 28a to 28e are formed in an arc shape so as to correspond to the rotation trajectory when the leaf spring 32 as the movable contact portion rotates. The predetermined shift positions of P, R, N, D, 3, 2, and L are in the order of the conventional configuration (L, 2, 3, D, N, R, P from the left side of the PC board shown in FIG. 7). It is set to be in the opposite shift position.

The connector terminals 23a to 23e and the fixed contact portions 28a to 28e are formed so as to be connected in a corresponding state, like the connector terminal 23a and the fixed contact portion 28a. The connector terminals 23a to 23e and the fixed contact portions 28a to 28e are, as shown in FIG.
The fixed contact portions 28a to 28a are formed with different thicknesses.
28e and the insulating portion 29 are formed so as to be substantially flush with each other. Each of the fixed contact portions 28a to 28e is formed in a shape in which the conduction state can be changed into a plurality of patterns corresponding to the contact positions with the plurality of leaf springs 32. The connector terminals 23a to 23e are formed to have a thickness of about 0.64 mm, and the fixed contact portions 28a to 28e have a thickness of about 0.
It is formed to 3 mm. That is, the connector terminals 23a-
A step portion 26 is provided at a predetermined position where 23e and the fixed contact portions 28a to 28e are continuous. In addition, FIG.
In a predetermined position on the lower surface of the switch substrate 25, a convex portion 29 a that fits into a concave portion (not shown) formed in the terminal portion 27 is integrally molded with resin with the insulating portion 29.

The rotor 22 is a substantially plate-shaped holding portion 3 made of resin.
0 and a substantially cylindrical support portion 31 made of metal. The holding portion 30 has a frame portion 30a having a substantially rectangular outer shape.
Is provided, and one side in the longitudinal direction of the frame portion 30a is
A plurality of (five in the present embodiment) metal leaf springs 32 as movable contact portions are insert-molded in parallel at predetermined intervals. In FIG. 2, the rotor 22 is shown in a perspective view, so that one leaf spring 32 is hidden by the frame portion 30a, and only four leaf springs 32 are shown. The leaf spring 32 is formed so that its tip portion 32a is bifurcated, and is bent so that the tip portion 32a has a predetermined curvature as shown in FIGS. 4 (a) and 4 (b). Each is given. The tip end 32a of the leaf spring 32 is configured to be capable of sliding contact with the switch substrate 25. A through hole 31a through which the rotary shaft 17 can be inserted is formed in the support portion 31, and a screw portion 31b is formed at one end of the support portion 31,
An insertion portion 31d is provided at the other end. Further, the support portion 31 is provided with a protrusion 31c orthogonal to the axial direction,
The protruding portion 31c is insert-molded on the base end of the holding portion 30.

The rotor 22 configured as described above is housed between the stator 21 configured as described above and a case (not shown), and the screw portion 31b of the rotor 22 is inserted into the through hole of the case. The end portion on the opposite side to the screw portion 31b is inserted into the insertion hole 21b of the stator 21. The fixing hole 21c of the stator 21 and the fixing hole of the case (not shown) are fixed by screws (not shown), and the rotary shaft 17 is inserted through the insertion hole of the case, the through hole 31a of the rotor 22 and the insertion hole 21b. As shown in FIG. 3, the shift device 11 is arranged at a predetermined position. The surface of the stator 21 opposite to the rotor 22 is fixed to the housing 13.

Next, a method of manufacturing the shift position switch device 15 configured as described above will be described.
First, a metal conductor plate having a portion having a thickness corresponding to the connector terminals 23a to 23e as terminal portions and a portion having a thickness corresponding to the fixed contact portions 28a to 28e is pressed, and a lead frame as shown in FIG. 40 is formed. More specifically, the lead frame 40 is formed with an inner lead portion 40a that constitutes fixed contact portions 28a to 28e that serve as contacts at each shift position. The inner lead portion 40a is connected to the connector terminals 23a to 23e. It is provided in. In addition, the connector terminals 23a-23
e, a predetermined portion connecting the connector terminals 23a to 23e and the inner lead portion 40a, and the inner lead portion 40a.
A tie bar 40 for supporting the connector terminals 23a to 23e and the inner lead portion 40a is provided at a predetermined position between them.
A plurality of b are provided. Also, the connector terminals 23a-2
3e, the inner lead portion 40a and the tie bar 40b,
The predetermined portion is supported by the frame outer frame portion 40d by the tie bar 40c. That is, the connector terminals 23a-2
The lead frame 40 is constituted by 3e, the inner lead portion 40a, the tie bar 40b, the tie bar 40c, and the frame outer frame portion 40d.

Next, the lead frame 40 in the pressed state is placed in a mold (not shown), the cavity is filled with resin through the gate of the mold, and the insulating portion 29 is formed. The state becomes as shown in. At that time, the fixed contact portions 28a to 28e forming a part of the lead frame 40.
And the surface of the insulating portion 29 are formed so as to be substantially flush with each other, as shown in FIG.

Next, the tie bar 40c is cut from a predetermined position, and a through hole 29b is formed at a predetermined position where the tie bar 40b for connecting the connector terminals 23a to 23e and the inner lead portions 40a is provided. That is, by forming the through hole 29b, the tie bar 40b is cut, and unnecessary electric conduction is cut off.
The switch substrate 25 shown in (a) is formed.

Next, the terminal portion 27 formed by another process is prepared, and the convex portion 29a of the switch substrate 25 and
The recessed portion (not shown) of the terminal portion 27 is fitted. In that state, the switch substrate 25 and the terminal portion 27 in that state are again placed in another die (not shown), resin-sealed, and cooled and solidified, and then taken out from the die, as shown in FIG. The stator 21 is completed.

Then, the stator 21 in a completed state,
The rotor 22 is accommodated between a case (not shown), the screw portion 31b of the rotor 22 is inserted into the through hole of the case, and the end portion on the opposite side of the screw portion 31b is inserted into the insertion hole 21b of the stator 21. It Fixing hole 21c of the stator 21
And the fixing hole of the case (not shown) are fixed by screws (not shown), and the shift position switch device 15 is completed.

In the completed shift position switch device 15, the rotary shaft 17 has a case insertion hole, a rotor 2
As shown in FIG. 3, it is arranged at a predetermined position of the shift device 11 while being inserted into the two through holes 31a and the insertion hole 21b. The surface of the stator 21 opposite to the rotor 22 is fixed to the inner wall surface of the housing 13. Then, the shift position switch device 15 is electrically connected to the control device 18 and is housed in the housing 13 to complete the shift device 11 shown in FIG.

Next, the operation of the shift position switch device 15 constructed as described above will be described. When the shift lever 12 is shifted, the rotary shaft 17 is rotated with the movement of the shift lever 12, and the rotary shaft 1 is rotated.
The rotor 22 is rotated with the rotation of 7. At that time, the tip end portion 32a of the leaf spring 32 provided on the rotor 22 is moved in a state of slidingly contacting the fixed contact portions 28a to 28e.
That is, the leaf spring 32 corresponds to the parking position corresponding to the parking position P of the shift lever 12, the reverse position corresponding to the reverse position R, the neutral position corresponding to the neutral position N, and the drive position D by the rotation of the rotor 22. Drive position, a third position corresponding to the third position 3, a second position corresponding to the second position 2, or a low position corresponding to the low position L.

For example, when the shift lever 12 is at the parking position P, the leaf spring 32 causes the fixed contact portion 2 to move.
By contacting 8a, 28e, 28d, the fixed contact portion 2
8a, 28e, 28d are turned on, and the signal is
It is output to the control device 18 via the connector terminals 23a, 23e, 23d. When the shift lever 12 is shifted from the parking position P to the reverse position R, the leaf spring 32 causes the fixed contact portions 28a, 28b,
By contacting 28e, fixed contact parts 28a, 28b,
28e is turned on, and the signal is the connector terminal 2
It is output to the control device 18 via 3a, 23b, and 23e. Not only the parking P and the reverse R, but similarly, when the shift lever 12 is operated to shift to a predetermined shift position, fixed contacts (neutral position, drive position, third position,
The second position or low position) is turned on. Then, the shift position signal is output to the control device 18, and the control device 18 performs the switching control of the shift speed of the transmission main body 19 and the display of the indicator 20 by the input of the shift position signal.

Next, the case where the leaf spring 32 contacts the fixed contact portion 28a will be described. Tip 32 of leaf spring 32
4a is moved from the state before contacting the fixed contact portion 28a to the position where it contacts the fixed contact portion 28a, as shown in FIG. 4B. At this time, according to the present invention, the insulating portion 29 and the fixed contact portion 28a are formed so as to be substantially flush with each other, so that the leaf spring 32 and the fixed contact portion 28a are prevented from being caught and the shift is performed. Each shift position of the lever 12 (P, R,
The rotor 22 is moved according to (N, D, 3, 2, L). Therefore, it is not necessary to consider the offset distance at the tip portion 32a of the leaf spring 32, unlike the conventional case. The fixed contact portion 28a is not limited to the fixed contact portion 28a.
The same applies to ~ 28e.

This embodiment has the following effects. (1) By forming a lead frame 40 by pressing a terminal material of different thickness, the connector terminals 23a to 23e having different thickness dimensions and the fixed contact portions 28a to 28e having a complicated circuit configuration are integrally formed. be able to. Therefore, it is possible to omit the step of connecting and fixing the fixed contact portion and the connector terminal with solder as in the conventional case, and the number of manufacturing steps of the shift position switch device 15 is reduced.

(2) Connector terminals 23a to 23e provided on the switch substrate 25 and fixed contact portions 28a to 28.
and e are resin-sealed. As a result, there is no need to manufacture a PC board as in the conventional case, and the step of assembling the PC board can be omitted. Therefore, the manufacturing cost can be reduced and the number of parts at the time of assembling the shift position switch device 15 can be reduced.

(3) Since the fixed contact portions 28a to 28e and the insulating portion 29 are formed so as to be substantially flush with each other, the fixed contact portions 28a to 28e are formed in the same manner as the conventional structure.
28e can be prevented from being worn, and the durability of the switch and the stabilization of the switching position can be improved.

(4) In the process of manufacturing the switch substrate 25, a through hole 29b is formed in a predetermined portion of the lead frame 40 having the tie bar 40b, the tie bar 40b is cut, and the lead frame 40 is sealed with resin. The tie bar 40c that connects the inner lead portion 40a and the frame outer frame portion 40d can be cut. Therefore, it is possible to easily cut off an unnecessary electric conduction state.

(5) The connector terminals 23a to 23e are formed to have a thickness of about 0.64 mm, and the fixed contact portions 28a to 28e are formed.
Is formed to have a thickness of about 0.3 mm so as to be thinner than the connector terminals 23a to 23e, so that the material cost of the terminal material can be reduced.

(6) Since the same terminal unit 27 as the conventional one can be used, the manufacturing cost of the shift position switch device 15 can be reduced. The embodiment is not limited to the above, and may be modified as follows, for example.

The shift position switch device 15
The configuration is not limited to being arranged in the housing 13 of the shift device 11, but may be changed to a structure that is arranged at another predetermined location such as an automatic transmission. In this case, the rotor 2 of the shift position switch device 15
The link mechanism 2 is configured to interlock with each other in accordance with a shift operation of the shift lever 12.

The fixed contact parts 28a to 28e and the leaf springs 32 as the movable contact parts are not limited to five in number, and may be appropriately changed according to the kind of signal required. The material of the insulating portion 29 is not limited to polyamide, but may be, for example,
It may be formed of polybutylene terephthalate (PBT) or the like.

Connector terminals 23a-23e, 23f-23i provided on the shift position switch device 15
The number is not limited to 9, and may be changed to a configuration in which 8 or less or 10 or more are provided.

The shift device 11 having the shift position switch device 15 is not limited to the structure provided on the floor console, but may be modified to the structure provided on the instrument panel or the steering column.

Not limited to the shift position switch device 15, it may be applied to other multi-contact sliding type switch devices. Next, technical ideas that can be understood from the above-described embodiment will be described below.

(1) In a switch substrate provided with a plurality of fixed contact portions whose conduction states can be changed into a plurality of patterns corresponding to contact positions with a plurality of movable contact portions, the fixed contact portions are: A switch substrate, which is provided on an insulating portion and is formed such that the surfaces of the fixed contact portion and the insulating portion are flush with each other.

(2) In the invention according to claim 1, the movable contact portion is rotatably provided, and the fixed contact portion corresponds to a rotation locus when the movable contact portion rotates. Is formed in an arc shape.

(3) A shift position switch device comprising the switch substrate of the invention described in claim 1 or claim 2 and technical idea (1) or technical idea (2).

[0053]

As described above in detail, according to the first and second aspects of the invention, the number of manufacturing steps and the cost are reduced, and the durability of the switch and the stabilization of the switching position are improved. Can be improved. According to the invention described in claim 3, the switch substrate according to claims 1 and 2 can be easily manufactured.

[Brief description of drawings]

FIG. 1A is a schematic plan view of a detection terminal unit,
(B) is an enlarged sectional view taken along line BB of (a).

FIG. 2 is a partially omitted exploded schematic perspective view of a shift position switch device.

FIG. 3 is a schematic view showing a shift device having a shift position switch device, a transmission main body, an indicator and a control device.

4A is a partial schematic cross-sectional view showing a state before contact between a leaf spring and a fixed contact portion, and FIG. 4B is a partial schematic cross-sectional view showing a state during contact as well.

FIG. 5 is a schematic plan view of a lead frame.

FIG. 6 is a schematic plan view in which a part of the lead frame is resin-sealed.

FIG. 7 is a schematic plan view showing a conventional technique.

FIG. 8 is a partial schematic sectional view of the same.

FIG. 9 is a partial schematic sectional view of the same.

[Explanation of symbols]

23a to 23e ... Connector terminals as terminal portions, 25 ...
Switch substrate, 28a to 28e ... Fixed contact portion, 29 ...
Insulating part, 29b ... Through hole, 32 ... Leaf spring as movable contact part, 40 ... Lead frame, 40b, 40c ... Tie bar.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Fuyuto Miyake             260-chome, Toyota, Oguchi-cho, Niwa-gun, Aichi             Tokai Rika Electric Co., Ltd. (72) Inventor Takahiro Oshima             260-chome, Toyota, Oguchi-cho, Niwa-gun, Aichi             Tokai Rika Electric Co., Ltd. F-term (reference) 5G010 AA03 AB14                 5G019 AF62 SK07 SY01                 5G023 AA01 AA12 BA03 CA05 CA41

Claims (3)

[Claims] 1. A switch substrate provided with a plurality of fixed contact portions, each of which has a plurality of patterns whose conduction states can be changed corresponding to contact positions with a plurality of movable contact portions. A switch substrate, wherein a plurality of terminal portions electrically connected to each of the fixed contact portions are integrally formed with different thicknesses. 2. The fixed contact portion is provided on an insulating portion,
The switch substrate according to claim 1, wherein the fixed contact portion and the insulating portion are formed so that their surfaces are flush with each other. 3. A lead frame is formed by pressing a metal conductor plate having a portion having a thickness corresponding to a terminal portion and a portion having a thickness corresponding to a fixed contact portion, and the lead frame is placed in a mold. Then, the resin forming the insulating portion is filled in the mold, and the fixed contact portion forming a part of the lead frame and the insert portion are insert-molded so that the insulating portion is on the same plane, A through hole is formed at a predetermined position having a tie bar that forms a part of the lead frame and connects the fixed contact portions to each other, and the tie bar is cut, and a predetermined part of the lead frame is cut. And a method for manufacturing a switch substrate.