JPH04135132U - rotary pulse switch - Google Patents

Abstract

(57) [Summary] [Purpose] To simplify assembly by reducing the number of parts. [Structure] An engaging body 58 is integrally fixed to the middle part of a movable terminal piece 52 that is approximately U-shaped, and fixed terminal pieces are attached to both sides of the movable terminal piece 52.
54 and 56 will be established. A rotating body 60 pivotally supported within the case body 50
An uneven portion 60 that engages and disengages from the engaging body 58 during rotation is formed on the outer periphery of the engaging body 58. When the rotating body 60 is rotated counterclockwise, the concavo-convex portion 64 repeatedly engages and disengages the engagement body 58 of the movable terminal piece 52. With one engagement/disengagement operation, the movable terminal piece 52 comes into contact with and separates from the left fixed terminal piece 54 once. The same effect occurs when the rotating body 60 is rotated clockwise. Therefore, compared to the conventional example in which two movable terminal pieces are required and a sliding body that engages and disengages from the rotating body is provided separately from the movable terminal piece, the number of parts can be reduced and assembly can be simplified. be able to.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to improvements in rotary pulse switches.

0002

[Conventional technology]

A conventional rotary pulse switch is configured as shown in FIGS. 5 and 6, for example. (Refer to Publication No. 60-29147). That is, as shown in FIG. Movable terminal pieces 12, 14 and fixed terminal pieces 16, 18 are provided on both sides inside the case 10, and further operation is possible. A rotating body 22 and a sliding body 24 supported by a shaft 20 are provided. In addition, as shown in Figure 6, the operation Moderation springs 32 and 34 are provided within the other case 30 in which a hole 26 through which the shaft 20 is inserted is formed.

0003 Then, one case 10 and the other case 30 are fixed together, and the solid line arrow in Fig. When the rotating body 22 is rotated counterclockwise by rotating the operating shaft 20 as shown in When the movable terminal piece 12 on the left side comes into contact with and separates from the fixed terminal piece 16, as shown by the dotted line arrow in FIG. When the rotating body 22 is rotated clockwise by turning the operating shaft 20, the right The movable terminal piece 14 on the side comes into contact with and separates from the fixed terminal piece 18.

0004 In detail, when the rotating body 22 is rotated counterclockwise, the The corresponding protrusion 36 of the plurality of protrusions 36,... The operation of pressing and sliding the sliding body 24 to the left as indicated by the solid line arrow, and the protrusion 36 of the rotating body 22 passes over the protrusion 38 of the sliding body 24, and the protrusion 38 is located between the protrusions 36 and 36, and the movable terminal piece The operation of sliding the sliding body 24 to the right with the elastic force of the spring 12 and returning it is repeated. This sliding By sliding the body 24 to the left as indicated by the solid arrow, the left movable terminal piece 12 is fixed. Contact the constant terminal piece 16 and slide the sliding body 24 to the right to return it. The movable terminal piece 12 is separated from the fixed terminal piece 16.

[0005] When the rotating body 22 is rotated clockwise, it acts in the same way as when rotating counterclockwise, causing sliding The movable terminal piece 14 on the right side is fixed by sliding the body 24 to the right as indicated by the dotted arrow. It contacts the terminal piece 18 and is brought back into contact by the spring elastic force of the movable terminal piece 14. The movable terminal piece 14 is separated from the fixed terminal piece 16. Furthermore, when the rotating body 22 rotates, A plurality of protrusions 40 formed on the other surface of the rotating body 22, between which the protrusions of the moderation springs 32 and 34 are located. A predetermined moderation is obtained by engaging and disengaging 42 and 44.

[0006]

[Problem that the idea aims to solve]

However, in the conventional example shown in FIGS. 5 and 6, two movable terminal pieces 12 and 14 are required. In addition, the movable terminal pieces 12 and 14 and the separate sliding body 24 are required, so the parts There is a problem in that the number of points increases and assembly becomes complicated. This invention was devised in view of the above-mentioned problems, and it reduces the number of parts and simplifies assembly. The purpose is to provide a rotary pulse switch that can be easily It is.

[0007]

[Means to solve the problem]

The rotary pulse switch according to the present invention has an almost U-shaped movable case inside the case. A terminal piece and fixed terminal pieces located on both sides of the movable terminal piece are provided, and the movable terminal An engaging body is integrally fixed to the middle part of the piece, and a rotating body is rotatably supported in the case. A body is provided, and an uneven portion is formed on the outer periphery of the rotating body to engage and disengage the engaging body during rotation. By rotating the rotating body to the left, the movable terminal piece can be attached to the fixed terminal piece on the left side. By moving the movable terminal piece toward and away from the fixed terminal on the right side, rotate the rotating body to the right. It is characterized in that it is made to come into contact with and separate from the pieces. Then, in order to achieve clear moderation, a ball that engages with the concave part of the uneven part of the rotating body and a moderation mechanism consisting of a coil spring that biases this ball toward the rotating body. Let's go.

[0008]

[Effect]

When the rotating body is rotated counterclockwise, as a result of this rotation, a The concave and convex portion of the movable terminal piece engages and disengages from the engaging body that is integrally fixed to the middle part of the movable terminal piece. repeat. With one engagement/disengagement operation, the movable terminal piece comes into contact with and separates from the left fixed terminal piece once. In other words, when the rotating body rotates to the left while the uneven portion is engaged with the engaging body, this As a result, the movable terminal piece is pressed leftward and comes into contact with the left fixed terminal piece. Also, When the uneven portion releases the engagement with the engaging body and enters the next engaged state, the movable terminal piece will move itself. It returns to its original state due to the elastic force of the spring and separates from the fixed terminal piece on the left side.

[0009] When rotating a rotating body clockwise, do the same thing as when rotating counterclockwise. Then, the concave and convex portion engages and disengages from the engaging body repeatedly, and with one engagement and disengagement, the movable terminal piece contacts and separates from the fixed terminal piece on the right side once.

0010 Then, there is a ball that engages with the recess of the uneven part of the rotating body, and this ball is placed on the rotating body side. If a moderation mechanism consisting of a biasing coil spring is provided, a clear moderation is required. You can attach it.

[0011]

【Example】

1 to 4 show an embodiment of the rotary pulse switch according to the present invention. It is something. In Figures 1 to 3, 50 is the case body and 70 is the case lid. Ru. Inside the case body 50, there is a movable shaft formed in a substantially U-shape as shown in FIG. A terminal piece 52 and fixed terminal pieces 54 and 56 located on both sides of the movable terminal piece 52 are provided. The legs of these terminal pieces 52, 54, and 56 are inserted and fixed into the terminal insertion holes of the case body 50. has been done. An engaging body 58 made of an insulating material is located approximately in the center of the movable terminal piece 52. It is fixed in one piece.

0012 Reference numeral 60 denotes a rotating body pivotally supported by the operating shaft 62, and the engaging body 58 and the above-mentioned engagement body 58 are arranged on the outer periphery of this rotating body 60. A recessed and recessed portion 64 that engages and disengages is formed. The uneven portion 64 is shaped into a waveform shape with a predetermined pitch. has been completed. Inside the case body 50, there is a groove that engages with the concave portion of the concave and convex portion 64 of the rotating body 60. a coil spring 68 that urges the ball 66 toward the rotating body 60. A moderation mechanism 69 is provided. 72 to 72 are the case body 50 and the case body 50; The bosses 74, 74 for positioning the case cover are locking pieces formed on the case cover. Position these bosses 72 to 72 and engage the locking pieces 74 and 74 in the locking holes 76 and 76 of the case body 50. By stopping, the case lid body is fixed to the case body 50.

[0013] Next, the operation of the above embodiment will be explained. In the illustrated state where the concave portion of the uneven portion 64 is engaged with the engaging body 58, turn the operating shaft 62. When the rotating body 60 is rotated by a predetermined angle in the counterclockwise direction shown by the solid arrow, the As a result, the engaging body 58 moves to the position shown by the dashed line, and the movable terminal piece 52 moves to the position indicated by the dashed line. It deforms as shown by the dotted chain line, and the left side of the movable terminal piece 52 comes into contact with the left fixed terminal piece 54. Ru. Then, the rotating body 60 is further rotated in the counterclockwise direction shown by the solid line arrow, and the uneven portion 64 is When the convex portion of the movable terminal piece 52 gets over the engaging body 58, the movable terminal piece 52 is activated by its own spring elastic force. It returns to the state shown by the line, and the left side of the movable terminal piece 52 is separated from the left fixed terminal piece 54. It will be done. That is, by rotating the rotating body 60 counterclockwise, one corresponding one of the concave and convex portions 64 is rotated. From the state where the recess is engaged with the engaging body 58 until the concave on the right side engages with the engaging body 58 The left side of the movable terminal piece 52 contacts and separates from the left fixed terminal piece 54 once due to one engagement/disengagement operation. Ru. Repeat this operation thereafter.

[0014] In the illustrated state in which the recessed portion of the uneven portion 64 is engaged with the engaging body 58, the operating shaft 62 is rotated. When the rotating body 60 is rotated by a predetermined angle in the clockwise direction indicated by the dotted arrow, it rotates in the counterclockwise direction. In the same manner as in the rotation of With one engagement/disengagement operation, the right side of the movable terminal piece 52 comes into contact with and separates from the right fixed terminal piece 56 once. Also, a moderation mechanism 69 consisting of a ball 66 and a coil spring 68 moves the rotating body 60 to the left. It works to provide a clear moderation when rotating clockwise and clockwise.

[0015]

[Effect of the idea]

The rotary pulse switch according to the present invention has a fixed terminal piece on the left side as described above. A movable terminal piece that comes into contact with and separates from both the fixed terminal piece on the right side is formed from a single part, and this movable Since the engaging body that engages and disengages from the rotating body is integrally formed in the middle part of the terminal piece, requires separate movable terminal pieces, and the sliding body that engages and disengages from the rotating body is separate from the movable terminal pieces. Compared to the conventional example, the number of parts is reduced and assembly is simplified. Ru.

[0016] Then, there is a ball that engages with the recess of the uneven part of the rotating body, and this ball is placed on the rotating body side. If a moderation mechanism consisting of a biasing coil spring is provided, a clear moderation is required. You can attach it.

[Brief explanation of drawings]

FIG. 1 shows an embodiment of a rotary pulse switch according to the present invention, and is a front view with a case lid omitted.

FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, with illustration of an operating shaft omitted.

FIG. 3 is a sectional view taken along line BB in FIG. 1 with some illustrations omitted.

FIG. 4 is a perspective view of the movable terminal piece of FIG. 1;

FIG. 5 shows a conventional example and is an explanatory diagram showing the inside of one case.

FIG. 6 shows a conventional example and is an explanatory diagram showing the inside of the other case.

[Explanation of symbols]

50…Case body 52...Movable terminal piece 54, 56...Fixed terminal piece 58…Engagement body 60...Rotating body 62...Operation axis 64...Uneven part

Claims (2)

[Scope of utility model registration request] Claim 1: A substantially U-shaped movable terminal piece and fixed terminal pieces located on both sides of the movable terminal piece are provided in a case, and an engaging body is integrally formed in the middle part of the movable terminal piece. sticks to,
A rotating body rotatably supported by a shaft is provided in the case, and an uneven portion is formed on the outer periphery of the rotating body to engage and disengage the engaging body during rotation, thereby rotating the rotating body in the left direction. By rotating the rotary body in the right direction, the movable terminal piece is brought into contact with and separated from the fixed terminal piece on the left side, and by rotating the rotating body in the right direction, the movable terminal piece is brought into contact with and separated from the fixed terminal piece on the right side. -Pulse switch. 2. The rotor according to claim 1, further comprising a moderation mechanism comprising a ball that engages with a concave portion of an uneven portion of the rotating body and a coil spring that biases the ball toward the rotating body. -Tally pulse switch.