JP2902956B2 - Connection structure between rotary switch and connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure between a rotary switch and a connector.

[0002]

2. Description of the Related Art A conventional connection structure of this kind is shown in FIGS.
There are two types shown in 3. In FIG. 12, a female connector (5) is fixed on a printed circuit board (3), and a flexible cable (52) is connected to a rotary switch (not shown). Terminal (52a)
Is detachably fitted to the female connector (5).

FIG. 13 shows a rotary switch (1) and a male connector (51) attached to a printed wiring board (31) fixed to a chassis (4).
The terminal (14) of (1) is soldered to the printed circuit board (31) and electrically connected to the male connector (51). The above printed circuit board
A female connector (5) is attached to a printed circuit board (3) separate from (31), and a male connector (51) is inserted into an insertion hole (53) provided in the female connector (5).

[0004]

In the case of the prior art shown in FIG. 12, it is necessary to connect a rotary switch and a male connector (51) with a flexible cable (52).
The engagement between the male connector (51) and the female connector (5) had to be manually performed because the position of the male connector (51) was not determined, and the assembling efficiency was poor.

In the case of the conventional example shown in FIG. 13, the rotary switch (1) and the male connector (51) have to be connected via the printed circuit board (31), which is troublesome. An object of the present invention is to clarify a connection structure between a rotary switch and a connector that can solve the above-mentioned problem and can reduce the number of parts and cost.

[0006]

According to a first aspect of the present invention, a plurality of plate-like terminals (14) protruding from a base plate (11) of a rotary switch (1) are connected to a connector (2) on a printed circuit board (3). Directly into the slit-shaped terminal insertion hole (25) in a state where there is room to move in the depth direction and the slit direction, and the connector (2)
The upper member (21) having the terminal insertion hole (25) of the printed circuit board
The lower member (22) in contact with (3) can move in a direction perpendicular to the slit direction of the slit-shaped terminal insertion hole (25).

According to a second aspect of the present invention, in the first aspect, each terminal (14) of the rotary switch (1) exists on the same plane.

[0008] The invention of claim 3 is claim 1 or claim 2.
In the invention, the connector (2) comprises an upper member (21) having a terminal insertion hole (25) and a lower member fixed to the printed circuit board (3).
Each of the four corners of (22) is integrally connected by a column member (23), and the column member (23) is formed thin in the short direction of the upper member (21), Terminal insertion holes (25) are opened in a line in the longitudinal direction, each terminal insertion hole (25) has room to move in the depth direction and the longitudinal direction with respect to the terminal (14), and the elastic deformation of the column member (23) Thereby, the upper member (21) can be displaced in the short direction.

[0009]

[Operation and Effect] The base plate (1) of the rotary switch (1)
Connect multiple terminals (14) projecting from 1) directly to the connector
Since it is inserted into the terminal insertion hole (25) of (2), the male connector (51) and the printed board () for connecting the male connector (51) and the rotary switch (1) as in the conventional example of FIG. Three
1) can be omitted, and a male connector like the conventional example of FIG.
(51) and flexible cable (52) can be omitted,
The configuration can be simplified by reducing the number of parts.

Also, the rotary switch (1) is mounted on a chassis.
If it is attached to the predetermined position of (4), the rotary switch
Since the position of the terminal (14) in (1) is determined, the terminal
(14) can be inserted into the connector (2).

The slit-shaped terminal insertion hole (2) of the connector (2)
5) is formed in a state where the terminal (14) can move in the depth direction and the slit direction, and the upper member (21) of the connector (2) having the terminal insertion hole (25) is printed. Substrate (3)
The slit-shaped terminal insertion hole (2
Because it can move in the direction orthogonal to the slit direction of 5), that is, in the engagement relationship between the terminal insertion hole (25) and the terminal (14), there is room in the three-dimensional direction including the insertion direction of the terminal (14). ,
The terminal (14) of the rotary switch (1) and the terminal insertion hole (25) of the connector (2) due to the mounting error of the rotary switch (1) to the chassis (4), the mounting error of the connector (2) to the printed circuit board (3), etc. ), The automatic insertion of the terminal (14) and the terminal insertion hole (25) by an automatic machine can be performed without any trouble.

[0012]

5 to 9 show a rotary switch (1). The rotary switch (1) is provided with a shaft hole (12) at a substantially central portion of a synthetic resin base plate (11), and a plurality of conductive surfaces on one surface on a concentric circle centered on the shaft hole (12). (13)
And a plurality of plate-like terminals (1) connected to each conductive surface (13).
4) protrudes from one side edge of the base plate (11).

A gear-shaped rotating body (15) is mounted on the conductive surface (13) of the base plate (11). The rotating body (15) has a mounting shaft (16) protruding at the center of the surface on the side of the base plate (11), and includes a conducting piece (18) having a plurality of brush pieces (17) on the same surface. Base plate
The mounting shaft (16) of (11) has an enlarged tip and a plurality of slits formed in the axial direction.
Push the rotating body (15) into the base plate (1) by pushing it into the shaft hole (12) of (11).
Attach rotatably to 1).

Although the configuration of the rotary switch (1) is publicly known, in this embodiment, each terminal (14) protruding from one side edge of the base plate (11) is turned 90 degrees toward the rotating body (15). The bent tip of each terminal (14) exists in the same plane orthogonal to the base plate (11), and the length of each terminal (14) is equal in the plane, and the leading edge of each terminal (14) Are all the same height.

FIGS. 1 to 4 show the rotary switch.
The connector (2) into which the terminal (14) of (1) fits is shown.
The connector (2) is composed of a rectangular upper member (21) and a rectangular lower member (2).
The four corners of 2) are integrally connected with a pillar member (23), and the same number of terminals as the terminals (14) of the rotary switch (1) are connected to a synthetic resin block (20) having a substantially rectangular parallelepiped shape as a whole. An insertion hole (25) is provided.

The thickness of each column member (23) is formed to be thin in the width direction of the upper member (21), and the thickness of the upper member (21) is reduced in the width direction (FIG. 10).
(X direction), the column member (23) can swing in the direction in which the force is applied due to elastic deformation. The terminal insertion holes (25) are formed at equal intervals in the center of the width of the upper member (21) on the upper surface of the upper member (21).

A conductive member (26) is provided on the side surface of the block (20) so as to correspond to the position of each terminal insertion hole (25) and straddle the upper member (21) and the lower member (22). . The upper part of each conductive member (26) expands and penetrates into the upper member (21) through the side surface of the upper member (21), and the invading portion is formed in a U-shape at the position of the terminal insertion hole (25). It is bent to form an insertion receiving portion (27) for the terminal (14). The plate portion of the conductive member (26) bites into the lower surface of the lower member (22), and is bent downward at the center of the width of the lower member (22) to form a terminal (29).

The terminal insertion hole (25) of the connector (2) is aligned with the terminal (14) of the rotary switch (1) in the slit direction (FIG. 1,
It is formed to have a sufficient length that can move in the Z direction (FIG. 10). The terminal insertion gap (28) of the insertion receiving portion (27) is a terminal.
(14) is always in contact with the insertion receiving portion (27), and
0 (Y direction) and left and right directions (Z direction in FIG. 10).

Therefore, the rotary switch (1) is mounted at a predetermined position on the chassis (4), and the connector (2) is mounted at a predetermined position on the printed circuit board (3). The chassis (4) and the printed circuit board (3) are relatively approached by an automatic machine, and the terminal (14) of the rotary switch (1) is connected to the connector.
Insert it into the terminal insertion hole (25) of (2).

As described above, the plurality of terminals (14) protruding from the base plate (11) of the rotary switch (1) are directly inserted into the terminal insertion holes (25) of the connector (2). FIG.
Male connector (51) and female connector as in the prior art 3
The printed circuit board (31) for connecting the rotary switch (1) to the (5) can be omitted, and the male connector (51) and the flexible cable (52) as in the conventional example of FIG. 12 can be omitted. The configuration can be simplified by reducing the number of points.

The rotary switch (1) is mounted on a chassis.
If it is attached to the predetermined position of (4), the rotary switch
Since the position of the terminal (14) in (1) is determined, the terminal
(14) can be inserted into the connector (2).

The slit terminal insertion hole (2) of the connector (2)
5) is formed in a state where there is room for the terminal (14) to move in the depth direction and the slit direction, and the upper member (21) of the connector (2) having the terminal insertion hole (25) is: Printed board
It can move in a direction perpendicular to the slit direction of the slit-shaped terminal insertion hole (25) with respect to the lower member (22) in contact with (3). That is, in the engagement relationship between the terminal (14) and the terminal insertion hole (25), the width direction of the connector (2) indicated by X in FIG. 10, the vertical direction indicated by Y, and the terminal insertion hole (25) indicated by Z in FIG. ) Because there is room to move in the slit direction, the mounting error of the rotary switch (1) to the chassis (4), the printed circuit board (3)
The automatic insertion of the terminal (14) of the rotary switch (1) and the connector (2) by an automatic machine due to mounting error of the connector (2) to the connector can be performed without any trouble.

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the claims.

[Brief description of the drawings]

FIG. 1 is a perspective view of a connector.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a plan view of a rotary switch.

FIG. 6 is a front view of the same.

FIG. 7 is a right side view of FIG.

FIG. 8 is a rear view of FIG. 5;

FIG. 9 is a perspective view of a rotating body.

FIG. 10 is a cross-sectional view showing an engagement state between a connector and a terminal.

FIG. 11 is a cross-sectional view showing an engagement state between the connector and the terminal as viewed from a direction orthogonal to FIG.

FIG. 12 is a perspective view showing a connection example of a conventional example.

FIG. 13 is a front view showing another connection example.

[Explanation of symbols]

 (1) Rotary switch (14) Terminal (2) Connector (21) Upper member (22) Lower member (23) Column member (27) Receiver (3) Printed circuit board (4) Chassis

Claims (3)

(57) [Claims] 1. A base plate (11) of a rotary switch (1).
A plurality of plate terminals (14) protruding from the printed circuit board (3)
The connector (2) has a terminal insertion hole (25) of the connector (2), which is directly fitted into the slit-shaped terminal insertion hole (25) of the connector (2) in a state where there is room to move in the depth direction and the slit direction. A rotary switch and a connector, wherein the upper member (21) can move relative to the lower member (22) in contact with the printed circuit board (3) in a direction perpendicular to the slit direction of the slit-shaped terminal insertion hole (25). Connection structure. 2. The connection structure between a rotary switch and a connector according to claim 1, wherein each terminal of the rotary switch is on the same plane. The connector (2) comprises an upper member (21) having a terminal insertion hole (25) and a lower member (2) fixed to a printed circuit board (3).
Each of the four corners of 2) is integrally connected by a column member (23), and each column member (23) is formed thin in the width direction of the upper member (21), and is formed in the longitudinal direction of the upper member (21). Terminal insertion holes (25) are opened in a row, each terminal insertion hole (25) has room to move in the depth direction and the slit direction with respect to the terminal (14), and due to the elastic deformation of the column member (23), The connection structure of a rotary switch and a connector according to claim 1 or 2, wherein the upper member (21) is displaceable in its short direction.